Forging is an important metalworking process that involves heating, deforming and solidifying metal to obtain parts with specific shapes and properties. According to the different processing temperatures, forging is divided into hot forging and cold forging. This article will analyze the characteristics and applicable scenarios of the two processes in detail from nine aspects: temperature range, material performance, mold life, production efficiency, surface quality, shape accuracy, energy consumption, economic cost and technology development trends.
Processing temperature is the core indicator that distinguishes hot forging from cold forging.
The processing temperature of hot forging is usually above the recrystallization temperature of the material. For example, the recrystallization temperature of steel is usually 700°C to 900°C, while the typical temperature range of hot forging is 900°C to 1250°C. At this time, the crystal structure of the metal is in a dynamic recrystallization state, the plasticity of the material is significantly improved, and the deformation resistance is reduced, so processing with large deformation can be achieved.
The hot forging process is often used for processing large-size workpieces or parts with complex shapes, such as crankshafts, aircraft turbine blades, etc. Since high temperature reduces the yield strength of the material, the pressure required for deformation is significantly reduced, which is beneficial to both saving equipment energy consumption and reducing mold stress.
The processing temperature of cold forging is usually lower than the recrystallization temperature of the material and is even performed at room temperature (about 20°C to 400°C). In this temperature range, the metal has higher yield strength and lower plasticity, but higher surface quality and dimensional accuracy. Cold forging is suitable for small and medium-sized parts (such as bolts, gears, bearings) and workpieces that require high surface finish and shape accuracy.
Tie rods in steel automobile suspension systems are formed by hot forging, and their large deformation and complex three-dimensional curve structures are easier to achieve at high temperatures.
Precision gears and shafts: Often produced using cold forging to reduce subsequent machining steps.
Hot forging is suitable for large deformation and complex shapes, while cold forging focuses on small deformation and high-precision processing.
The forging process significantly changes the microstructure of the metal, affecting its final properties.
At high temperatures, the material will undergo dynamic recrystallization, destroying the original grain structure and forming uniformly refined grains. This process can significantly increase the toughness and plasticity of the metal and reduce the hardness and strength, so hot-forged parts usually require subsequent heat treatment processes (such as quenching and tempering) to restore or increase strength.
Dynamic recrystallization can also eliminate defects caused by casting or primary processing, such as pores, segregation and coarse grains, further improving the mechanical properties of the material.
During the cold forging process, the metal undergoes plastic deformation at low temperatures, and its internal grains are compressed and stretched, forming a large number of dislocations. This "work hardening" phenomenon significantly increases the strength and hardness of parts, but is also accompanied by a decrease in plasticity and toughness, increasing the risk of cracks.
Hot-forged aerospace turbine disks usually undergo post-forging heat treatment to achieve ideal toughness and fatigue properties.
Cold-forged automotive bolts have high strength due to work hardening and can be directly assembled and used.
Hot forging improves the toughness and plasticity of the material, while cold forging improves the strength and hardness. Choosing the right forging process based on application requirements is particularly critical.
Die life directly affects the economy and sustainability of forging production.
At high temperatures, molds are subjected to the combined effects of thermal fatigue, friction and impact for a long time. The surface of the mold may be cracked, peeled and worn, especially when machining carbide or mass production. In order to extend the life of the mold, heat-resistant mold steel (such as H13 steel) is usually used, and the thermal fatigue resistance is enhanced through surface coating (such as titanium aluminum nitrogen coating) or heat treatment.
Although cold forged molds are not affected by high temperatures, they need to withstand greater unit pressure. High-precision cold forging molds usually use high-strength tool steel, and adopt precision machining and polishing processes during mold manufacturing to reduce surface defects.
Hot forging molds are susceptible to thermal fatigue and have a relatively short lifespan; cold forging molds have higher requirements on materials and manufacturing processes due to their high pressure bearing.
The production efficiency of the two forging processes varies depending on the complexity of the parts and the production batch.
The metal has good fluidity at high temperatures and low deformation resistance, so complex parts can be formed in a shorter time. However, due to the need for heating equipment and cooling time of the parts, the overall production rhythm is slow.
Cold forging eliminates the heating step, the process flow is simple, and it is particularly suitable for efficient mass production. However, for complex parts, multiple stampings may be required, or step-by-step processing through precision molds, which slightly affects the efficiency of a single piece.
Hot forged aluminum alloy wheels: Due to their complexity and large size, the processing time of a single piece is long, but it meets the needs of mass production.
Cold forged mobile phone metal shell: High single piece efficiency and no subsequent surface treatment is required.
Surface quality is an important indicator of part performance and appearance.
Metal surfaces are prone to oxidation and decarburization at high temperatures, forming oxide scale and rough surface. To obtain good surface quality, subsequent processing (such as sandblasting, pickling or polishing) is usually required.
Cold forging is carried out at low temperature to avoid oxidation, and the surface finish and dimensional accuracy of the parts are high, and can even directly meet the use standards.
During the forging process, the shape accuracy requirements determine the degree of subsequent machining.
Hot forging is suitable for processing parts with complex shapes and large sizes. However, metals are prone to thermal expansion, contraction and deformation at high temperatures, which makes the dimensional accuracy of parts low, usually between ±0.5mm and ±2mm. Hot forged parts usually require subsequent machining (such as turning or grinding) to meet the design specifications. The accuracy deviation of this process can be optimized through mold design, process control and multiple forging.
Cold forging is known for its high precision. The processed parts can usually directly meet the final size requirements, with a tolerance range of up to ±0.01mm to ±0.1mm. Since low-temperature processing does not cause thermal expansion and contraction, the cold forging process can provide higher shape and dimensional accuracy, especially when manufacturing slender, complex and small parts.
Hot forged train wheels require lathe processing to ensure accurate installation dimensions.
Cold forged rolling bearing inner rings can be assembled directly, eliminating the need for subsequent machining.
Hot forging has low precision and requires subsequent processing; cold forging has extremely high dimensional accuracy and is suitable for parts that are directly used.
Energy consumption directly affects the economic and environmental impact of the forging process.
High-temperature operation requires a lot of energy, especially for large batches or large-sized workpieces, and the power demand of the heating equipment is high. In addition, temperature control equipment (such as heating furnaces and induction heaters) are continuously running in production, resulting in low energy efficiency. This makes hot forging uncompetitive in an environment with high energy costs.
Cold forging does not require a heating step, so energy consumption is significantly reduced. However, since cold forging requires higher equipment pressure, the power consumption of the hydraulic system or mechanical punch may be higher. In general, cold forging has advantages in terms of energy consumption per unit product, especially in the mass production of small parts.
Hot forging of aviation-grade parts (such as turbine blades) consumes a lot of energy due to high-temperature and complex processing.
Cold forging of mobile phone metal shells has lower production energy consumption and meets the needs of sustainable manufacturing.
Hot forging has high energy consumption and is suitable for areas with low-cost energy; cold forging is more energy-efficient and meets modern environmental protection requirements.
The economic efficiency of the forging process is one of the important considerations for selecting the process.
The equipment investment for hot forging is relatively low, and the cost of a single mold is controllable when processing complex parts, but high energy consumption and frequent mold replacement bring additional costs. Hot forging is suitable for small and medium-sized batch production or high-value large parts.
The design and manufacturing cost of cold forging molds is high, and the initial investment in equipment is large. However, its production process eliminates high-temperature heating, has low energy consumption, and has a low unit cost. Therefore, the cold forging process is particularly suitable for mass production and can quickly amortize mold and equipment costs.
Hot forging: The mold cost for producing 1,000 crankshaft parts is $50,000, and the unit energy consumption is 20 kWh/piece.
Cold forging: The mold cost for producing 100,000 bolts is $200,000, but the unit energy consumption is only 2 kWh/piece.
Hot forging is suitable for small batches and complex parts, while cold forging is more suitable for mass production.
Modern manufacturing technology is constantly developing, and hot forging and cold forging are also being continuously optimized.
Isothermal forging: Reduce thermal fatigue and increase mold life through slow cooling.
Induction heating technology: Quickly and efficiently heat metal, reduce energy consumption and improve production efficiency.
Combine cold forging and hot forging, with high precision and high plasticity.
Use automated mold replacement and precise pressure control to improve efficiency and consistency.
Whether it is hot forging or cold forging, modern technology focuses on reducing carbon emissions and energy consumption. For example, renewable energy is used to heat hot forging equipment, or cold forging power consumption is optimized through efficient hydraulic systems.
From the above analysis, it can be seen that:
Hot forging is more suitable for manufacturing parts with complex shapes, large sizes, and high toughness, such as aircraft engine blades, ship parts, etc.
Cold forging dominates the production of high-precision, small-size parts (such as bolts, mobile phone shells).
The selection of appropriate forging process should be based on the following key factors:
Part use: determines whether high toughness or high precision is required.
Batch size: affects the calculation of economic costs.
Energy and environmental protection: Modern manufacturing has higher and higher requirements for low energy consumption and green production.
The two processes are not in opposition, but complement each other, and jointly promote the advancement of metal processing technology in the manufacturing field.
If you are looking for a professional forging product OEM company, HULK Metal is your best choice. With years of industry experience, advanced equipment and perfect service, HULK Metal can provide you with high-quality and cost-effective forging solutions. Here are a few core reasons to choose HULK Metal:
HULK Metal has rich forging experience and can provide you with two mainstream forging processes: hot forging and cold forging.
Hot forging: suitable for the production of large-sized and complex parts, such as mechanical crankshafts and heavy equipment parts.
Cold forging: Focus on the processing of high-precision, small parts, such as automotive bolts and precision gears.
We tailor forging solutions according to your product needs to ensure that the processed products meet the requirements of strength, precision and surface finish.
HULK Metal strictly abides by ISO 9001 and ISO 16949 quality management systems.
During the entire production process, every link is strictly controlled to ensure that the products meet the highest standards in the industry.
Provide comprehensive quality inspection reports, including material composition analysis, mechanical property testing and dimensional tolerance verification, to ensure stable product performance.
Our goal is to make every customer confident in product quality.
HULK Metal's production workshop is equipped with advanced equipment such as high-precision forging presses, induction heating equipment and automated cold forging systems.
Provide one-stop service from mold design, metal heating to part forging.
The automated production line improves processing efficiency and reduces production costs, and is suitable for medium and large-volume orders.
Our team has many years of experience in mold design and can quickly develop and produce high-precision forging molds.
Use CAD/CAM software for digital design to ensure that the mold structure is scientific and durable.
For parts with complex shapes or special requirements, provide rapid prototyping and mold testing services.
Case sharing: A certain automotive parts customer required the production of high-precision cold forged gears. HULK Metal completed mold design and trial production in just two weeks and successfully delivered the first batch of products.
HULK Metal has a complete supply chain system, which controls the entire process from raw material procurement to logistics distribution:
Select high-quality steel, aluminum and other metal raw materials to ensure that the material performance meets international standards.
Quickly respond to order requirements, provide on-time delivery services, and shorten customers' project cycles.
HULK Metal provides a variety of OEM services and can customize production according to your design drawings or samples.
Provide full-process services from product optimization, sample production to mass production.
We also provide free sample verification to allow customers to fully evaluate product quality before mass production.
Working with HULK Metal, you will get competitive prices:
Automated production reduces the cost of single-piece processing.
Flexible production scale adapts to small and large batches, without worrying about high order thresholds.
HULK Metal is committed to green manufacturing:
Use environmentally friendly energy and efficient heating technology to reduce carbon emissions.
Strictly control the generation of waste in the production process and recycle it efficiently.
Choosing HULK Metal is not only choosing high-quality products, but also contributing to the cause of environmental protection.
Demand Communication: Customers provide product drawings, specifications and requirements.
Scheme Design: Design forging process according to requirements and confirm mold development plan.
Sample Verification: Provide free samples for customers to test and evaluate.
Mass Production: After confirming the sample, quickly enter mass production and deliver on time.
After-sales Service: Provide customers with long-term technical support and quality tracking services.
Choosing HULK Metal, you will get a one-stop forging solution. We are not only your OEM partner, but also the best partner to help you realize the value of your products!
Contact us now for free consultation and sample service!
Our offerings include comprehensive hot forging and cold forging services tailored to meet diverse manufacturing needs. These services cover custom forging, precision machining, heat treatment, surface finishing, and assembly. With advanced equipment and expert craftsmanship, we ensure high-quality forged components that enhance strength, durability, and performance across various industries.
HULK Metal has been focusing on providing high-standard metal product production and quality inspection services to global users since 2004. So far, it has integrated a complete supply chain and an advanced quality control center, as well as a professional service team.
Metal forging is a manufacturing process that forms metal into parts with specific shapes and properties by applying pressure to a metal billet heated to a specific temperature. Forging can improve the mechanical strength, toughness, and fatigue resistance of the parts. HULK Metal provides one-stop custom metal forging services with full-process capabilities. From mold making and billet cutting to forging, CNC machining, and surface treatment, we deliver stronger, longer-lasting parts with better performance and lower cost.
HULK Metal provides cold forging services for manufacturing strong, precise, and cost-effective metal parts in bulk. Our cold forging process is ideal for bolts, screws, pins, and other high-volume components that require close tolerances and consistent quality. With advanced forging equipment and rich raw material resources, we can meet diverse OEM/ODM needs for industries such as automotive, construction, and machinery. Our experienced team supports you from design to final delivery, ensuring efficient, high-quality production and responsive after-sales service.
HULK Metal offers premium hot die forging services to help you manufacture high-strength, complex-shaped metal parts with excellent surface quality. We specialize in forging gears, flanges, connecting rods, and other custom components for industries like construction, mining, automotive, and machinery. Backed by top-tier forging equipment, skilled technicians, and a strict quality control system, we ensure precision and consistency at scale. From drawing review to final delivery, our team provides full support to help you streamline your supply chain and get more competitive in your market.
We provide a wide range of forged parts produced through hot and cold forging processes. Typical parts include automotive components, industrial gears, shafts, fasteners, and structural fittings. These parts are designed to withstand high stress and deliver excellent mechanical properties, serving critical roles in sectors like automotive, aerospace, construction, and machinery manufacturing.
Our foot anchors come in a variety of sizes to suit different precast concrete lifting needs, with precise dimensions tailored for optimal performance. Each anchor's Working Load Limit (WLL) is clearly specified to ensure maximum safety during handling and lifting. HULK Metal's parameters guarantee reliable strength and compatibility, meeting industry standards to support secure and efficient lifting operations on any construction site.
Here we show all the load groups, dimensions, surface treatments and other information of Lifting Pin Anchor that we can currently provide. If you want to know more, please leave us a message or download our product catalog. We look forward to your ordering to us. We will develop a perfect solution and the most competitive price for you.
Our lifting pin (dog bone) anchors are available in various sizes, load capacities, and surface treatments to suit different precast concrete applications. Manufactured from high-quality steel, each anchor meets strict dimensional and performance standards. Detailed specifications, including length, diameter, and rated load, ensure compatibility with standard lifting systems. We can also customize parameters based on your drawings or project requirements, providing optimal lifting solutions that improve safety, efficiency, and durability in your construction or precast production processes.
HULK Metal offers precast concrete lifting eye anchors in a range of sizes and load capacities to meet the needs of different types of projects. Material grade, usually high-strength steel like 20Mn2 or Q345, lengths between 50 and 300 mm, and safe working loads up to 32 tons are important considerations. Corrosion resistance is increased by surface treatments like electric galvanizing and hot dip. In demanding environments, these anchors perform better than standard options thanks to their threaded ends for secure embedding and eye diameters optimized for clutch compatibility.
The parameters of precast concrete double head lifting pin anchors include detailed dimensions and Working Load Limits (WLL) to ensure correct selection for your project. HULK Metal provides precise specifications for each size, helping you match anchors to specific lifting requirements. All parameters comply with CE and ISO 9001 standards, ensuring consistency, safety, and compatibility with related lifting systems. Accurate data supports safe handling and optimal performance in precast concrete construction.
HULK Metal can provide CE-certified spherical head lifting anchors. We have an ISO 9001-certified forging factory to produce your order. A full range of molds can produce a full range of products. A well-equipped quality control center can conduct factory, mechanical properties, chemical properties, and other indicators. Each product can be tested 3 times safety equal to the tensile test. You are welcome to contact us at any time to visit the factory and place an order. We will provide you with more competitive quotations and quality services.
The table here shows the materials, certifications, surface treatments, specific parameters and corresponding CODEs of Lifting Pins for Precast Concrete that we can provide. You can get them through the download button above.
We currently offer two types of wavy tail anchors: short and long. The difference between them is the distance from the extrusion point to the wavy tail. You can see their specific sizes in the table below. You can directly tell us the specific model and quantity. We will provide a better quotation.
Here are the models, thread types, load groups and other information of various types of Precast Lifting Thread Inserts. You can click to jump to the corresponding product details to learn more. You can also contact us directly to get a quote.
This table shows our Flat End Lifting Insert material, thread standard, SWL, surface treatment, unit weight, certification, safety factor and other information. You can click the button below the product to download the product brochure for more details.
Here is the parameter table of Solid Rod Lifting Insert, which shows the Solid Rod Lifting Insert size, surface treatment, certification, material, SWL, CODE and other information we can provide. If you need to know more, you can contact us at any time to obtain it.
HULK Metal's solid rod lifting and fixing sockets come in various sizes to match different load requirements. Built with materials like stainless steel or Q235, they undergo rigorous testing for safety. The table below outlines key dimensions and safe working loads, helping you select the right fit for your precast concrete needs.
Our combi lifting socket range includes various sizes and working load limits (WLL) to match diverse lifting requirements. Each model is precisely machined for accurate dimensions and optimal performance. Detailed parameters cover length, thread size, anchor dimensions, and rated load capacity, ensuring you can select the right product for your precast concrete lifting application. Specifications comply with CE and ISO 9001 standards for safety and reliability in every lifting task.
Our Flat End Fixing Socket with Cross Pin is available in multiple sizes and Safe Working Load (SWL) capacities to match diverse lifting needs. Each dimension is carefully engineered for optimal performance and verified through strict quality inspections. Whether for heavy or standard precast components, you can rely on precise specifications, consistent manufacturing tolerances, and a proven safety factor to deliver dependable results in every construction project.
Explore the detailed parameters of our fixing sockets with Bent ends, including various sizes and working load limits (WLL). These specifications help you select the right option for your precast concrete needs. Our products come in multiple diameters and lengths, with WLL ratings that ensure safer handling than basic alternatives. This overview highlights how our sockets deliver stronger performance across construction projects, backed by precise engineering for better integration and longevity.
Here, you can learn about the material, surface treatment, thread type, SWL and unit weight of the Tubular Lifting Insert we can supply. The price needs to consider the specific requirements such as model, quantity, packaging and transportation. You can contact us for more information.
Here you can see the material, surface treatment, SWL range, thread standard and range, CODE and surface treatment of Long Wavy Lifting Insert. You can click on the information above to download these contents for your better viewing.
HULK Metal provides detailed parameters for solid rod fixing sockets with cross pins, including safe working loads, dimensions, and material options. These specs ensure compatibility with precast concrete applications, from thread diameters to lengths, all backed by certifications for reliable performance in bulk projects.
Our parameter table provides detailed specifications for each flat end lifting socket, including dimensions, safe working load (SWL), and thread size. This information ensures you can select the correct lifting insert for your precast concrete application. HULK Metal's precision manufacturing guarantees that all parameters strictly meet CE and ISO standards, delivering optimal compatibility, superior performance, and enhanced safety for lifting operations across diverse construction and infrastructure projects.
Got it — here's the entire Section 3 for your Flat End Lifting Socket page, all SEO-optimized and structured for smooth reading.
Our tubular lifting sockets are available in multiple sizes and safe working load options to suit various precast concrete lifting needs. Made from stainless steel or quality carbon steel, they feature precise threads, a safety factor above 3 times, and durable surface treatments. CE and ISO 9001 certified, each socket is manufactured and inspected to ensure consistent dimensions, load capacity, and performance, giving you confidence in every lifting application.
Our Long Wavy Lifting Socket range offers multiple load capacities, from 0.5 tons to 8.0 tons, to suit diverse precast lifting needs. Made from high-quality stainless steel, Q345, Q235, or 20# steel, each socket undergoes precision threading, strict tolerance checks, and optional surface treatments like electro-galvanizing or hot-dip galvanizing. With a minimum 3× safety factor and CE/ISO 9001 certification, these anchors deliver strength, durability, and reliable performance for demanding construction projects.
Crown Foot Anchors come in various sizes to suit diverse precast needs, with thread diameters ranging from M12 to M30 and lengths from 60mm to 155mm. Working Load Limits (WLL) start at 0.5 tons for smaller units and reach up to 3 tons for heavier applications, always maintaining a safety factor exceeding three times the rated capacity. These parameters allow versatile use in thin panels and slabs, where edge distances and panel thicknesses dictate optimal placement for maximum stability. Our team customizes dimensions based on your drawings, ensuring precise fits that enhance project safety and speed.
HULK Metal's flat plate lifting sockets come in a range of sizes tailored for various safe working loads, from 0.5 to 12.5 tons. Key parameters include thread diameters, heights, and base dimensions, all crafted from materials like stainless steel or Q235 for optimal strength. Surface treatments such as hot-dip galvanizing enhance corrosion resistance, while certifications ensure compliance. This table outlines specifications to help select the right socket for your precast concrete needs, balancing compactness with high performance.
HULK Metal's plate spread anchors come in standard sizes tailored for different load capacities, from 2.5 to 10 tons SWL. Materials include 20Mn2, Q345D, or customizable stainless steel, with surface treatments like raw, electro-galvanized, or hot-dip galvanized for enhanced durability. Each anchor boasts a safety factor of at least three, backed by ISO9001 and CE certifications. The table below details dimensions and codes, helping you select the right fit for your precast concrete needs. Contact our technical team for custom variations based on your requirements.
Our unilateral erection anchors come in various sizes to suit different safe working loads (SWL) from 2.5 to 26 tons, accommodating diverse precast concrete needs. Made from robust materials such as 20Mn2, Q345D, CM490, or stainless steel, they offer customizable options with surface treatments like electro-galvanized or hot-dip galvanized. Each anchor maintains a safety factor of at least 3, backed by ISO9001 and CE certifications. The table below details dimensions, ensuring precise fits for columns, beams, and wall panels in bulk production runs.
This section outlines key specifications for flat foot anchors, including safe working loads and dimensions to guide selection for precast projects. HULK Metal offers models from 2.5 to 26 tons SWL, crafted from durable steels with options for galvanized finishes. These parameters ensure compatibility with diverse concrete elements, supporting safer and more efficient lifts. Bulk buyers benefit from our ability to customize based on exact needs, backed by certifications that guarantee performance.
HULK Metal's erection anchors come in various sizes with safe working loads from 2.5 to 10 tons, made from materials like 20Mn2 or customizable options. These parameters ensure compatibility with diverse precast concrete elements, supported by our production expertise for bulk customization.
Our spread anchors are available in multiple sizes and safe working load capacities to meet different lifting demands. Manufactured from high-grade steels such as 20Mn2, Q345D, CM490, or stainless steel, they can be customized with suitable surface treatments. Each spread anchor is CE and ISO9001 certified with a minimum safety factor of three, ensuring consistent performance, durability, and compliance with international standards for precast concrete lifting applications.
HULK Metal's two hole anchors are available in various sizes and safe working loads (SWL) to suit diverse precast concrete applications. Crafted from high-strength materials like 20Mn2, Q345D, or stainless steel, they ensure durability and safety. With surface treatment options such as electro-galvanizing or hot-dip galvanizing, our anchors meet strict CE and ISO 9001 standards, guaranteeing reliable performance for bulk buyers across global projects.
Our Precast Concrete Lifting Lugs are available in multiple sizes and working load limits (SWL) to meet diverse precast concrete lifting needs. Manufactured from Q345D, Q355D, CM490, or G30CrMoV steel, they feature electro-galvanized surfaces and a minimum safety factor of 5. With CE and ISO 9001 certifications, each lifting lug ensures consistent strength, durability, and reliable performance, making them suitable for lifting and handling various precast concrete elements efficiently.
The Dog Bone Lifting Eye is available in multiple sizes and load capacities to meet different project requirements. Each unit is manufactured from high-quality steel, electro-galvanized for enhanced corrosion resistance, and tested to a safety factor of five times. With CE and ISO9001 certification, our lifting eyes ensure consistent performance. Bulk buyers can choose from a wide range of SWL options, making them ideal for various precast concrete lifting applications.
Our lifting clutch for pin anchor is engineered from high-grade materials such as Q345D, Q355D, CM490, and G30CrMoV, with customizable options available. Each clutch is electro-galvanized for enhanced corrosion resistance and tested to meet a minimum 5:1 safety factor. Certified by CE and ISO9001, the clutches are available in different safe working load (SWL) capacities, ensuring reliable lifting performance across varied construction and precast concrete projects.
We show you the material, test index, certification, size and CODE of Dog Bone Lifting Eye With Chain in a table. You can find what you want more clearly. If you need more parameters or inquire about the price, please contact us.
The parameter section of the Ring Clutch provides details on available sizes and Safe Working Load (SWL). Each model is clearly defined to match different precast lifting requirements. With strict load group markings and compliance with CE standards, customers can easily select the right clutch for their projects. These specifications help ensure that lifting operations remain safe, efficient, and fully aligned with international construction safety standards.
We can provide precast concrete lifting eyes made of high performance alloy steel with CE certification. The following table details some important parameters such as Safety Factor, Certification, Materials, SWL, etc. You can contact us at any time to get a quotation for the corresponding specifications.
The parameters of the Combination Ring Clutch provide clear details on dimensions, working load limits, and load groups, allowing customers to select the most suitable model for their project. Each clutch is designed with a five times safety factor to guarantee safety during lifting operations. By comparing specifications, buyers can quickly match the correct clutch with their spread anchors, ensuring efficiency, precision, and reliability in precast concrete handling.
We are able to provide clevis slip hooks in all sizes in the form. In addition to that, we also provide OEM service, and the engineers will make a perfect solution according to your drawings and give a more reasonable quotation.
Here are the specifications of the Clevis Grab Hooks we can offer. The table contains information such as CODE, Size, WLL, etc. You can tell us directly about CODE and quantity, and we will give you a more satisfactory quote.
HULK Metal currently offers eye grab hooks from 1/4"to 3/4". The following table shows the CODE and the corresponding specifications. You can choose the appropriate CODE according to the size of the chain. We support OEM services and can develop a complete solution based on the drawings or samples you send us, and give a more reasonable quotation.
HULK Metal can provide eye slip hooks in 7 sizes from 1/4" to 3/4" in both carbon steel and alloy steel, and in three surface treatments: electro-galvanized, hot-dip galvanized and powder sprayed. The table provides detailed product parameters, you can view them, or click the button on the upper right to download the catalog to learn more.
The parameter table of Rubber Recess Former clearly shows available sizes and load capacities. Buyers can easily choose suitable types from 1.5 to 32 tons, ensuring compatibility with Pin Anchor and Spread Anchor lifting systems.
Our lifting pin anchor recess former come in multiple configurations to match specific load demands in precast concrete projects. The table below details dimensions, weights, and safe working loads, helping you select the right model. Made from customizable rubber, these ensure compatibility with various anchors. We prioritize precision in sizing for better integration, reducing risks during lifting operations compared to generic options.
The parameters of Spread Anchor Rubber Recess Former cover multiple working load limits from 2.5 tons to 26 tons, providing flexibility for different precast concrete projects. Each type is designed with precise dimensions to match specific spread anchors, ensuring stable positioning and reliable lifting performance. Made from durable rubber with customizable options, these recess formers meet ISO9001 and CE standards, making them suitable for various construction and lifting applications.
As one of the excellent magnetic recess former suppliers in China, HULK Metal has advanced factories and a perfect supply chain to provide you with high-quality products and services. We can provide magnetic recess former with load group of 1.3, 2.5, 5, and 10 tons. Advanced quality inspection equipment and professional quality inspection personnel can ensure that each batch of goods meets higher qualification rates and quality requirements. We provide quality assurance services, you can rest assured to give us your order.
HULK Metal can provide CE-certified magnets for precast lifting and fixing inserts or sockets. Our factory has advanced machining equipment, laser cutting machines, and assembly lines, which can more efficiently complete CE-certified precast lifting fixing insert socket magnet with a higher pass rate. Our supply chain can help you save more costs through consistent management from top to bottom. Quality assurance service is our confidence in quality and our guarantee to you. You can rest assured to give us your order.
We are a professional manufacturer with a variety of molds to meet your requirements for size, shape, material, etc. Our Electrical Box Magnets have passed CE certification and have quality assurance services. You can purchase them with confidence.
HULK Metal's factory has advanced sheet metal cutting, bending, welding processes and equipment, which can efficiently complete CE certified Shuttering Magnets for Framework. We have a complete supply chain to help you handle all matters related to your order in China, which can help you save more time and energy. We can achieve full access to control costs so that you can complete your order with less money.
Shuttering Magnets for Framework is a tool that fixes the framework to the iron plate through the adsorption of magnets. It consists of two parts: shuttering magnets and fixing body.
The parameters of HULK Metal's cast in loops include a range of diameters, lengths, and working load limits (WLL) to suit different precast concrete lifting needs. Each loop is manufactured to precise dimensional tolerances and tested for tensile strength exceeding three times its rated capacity. With clear specifications, you can select the right cast in lifting loop to ensure optimal performance, safety, and efficiency for your specific construction application.
Our lifting loops come in a wide range of sizes and safe working loads to suit various precast concrete lifting needs. Each is crafted from durable alloy or carbon steel and finished with electro-galvanizing for superior corrosion resistance. With a safety factor of four or more, precision threading, and CE/ISO 9001 certification, they deliver reliable performance, easy compatibility with lifting sockets, and consistent quality in demanding construction environments.
The 119A Galvanized Railing Connectors Add-on Two Socket Cross is different from the 119 type in that it can add two pipes to an already completed system.
It is connected by two parts with two bolts. When using it, we only need to pull out one of the bolts, buckle it in a specific position of the pipe, insert the bolt and tighten it, insert the two pipes into the socket respectively, adjust the angle of the pipe, and tighten the three bolts on the 119A to complete the installation.
We will develop a perfect solution based on your needs. The cycle of changing molds in foundries to produce different products is very long, so it is recommended that you order a larger quantity when purchasing, which can effectively reduce production costs and improve production efficiency.
HULK Metal has more than 20 years of experience in supplying galvanized pipe railing fittings and has established a complete supply chain to provide you with production, quality inspection, packaging, transportation and after-sales service. Quality assurance service is our commitment to you. You can rest assured to give us your order.
HULK Metal currently provides three galvanizing methods: electroplating heat and double coating. You can purchase according to your needs.
HULK Metal is a pipe clamp fittings manufacturer in China, with ISO 9001 certification and advanced foundry. You can contact us at any time to visit the factory and place an order with us after understanding our capabilities.
We currently only have CD reducing 90 degree elbow. If you have special requirements and the quantity is large, we also support OEM service.
HULK Metal has been providing higher-quality sheet metal stamping production services to customers worldwide since the end of the 20th century. To this end, we have continuously integrated stamping factories, raw material suppliers, packaging material factories, and other resources and continuously improved supply chain management and service levels. So far, we have provided hundreds of sheet metal stamping parts OEM services for hundreds of companies around the world. You can contact us at any time to visit our factory and place your order with us after understanding our production capacity and service capabilities.
HULK Metal is an experienced sheet metal fabricator that has provided high-quality OEM services to dozens of automotive parts buyers worldwide. We are familiar with and master advanced sheet metal manufacturing processes such as laser cutting, punching, deep drawing, spinning, bulging, etc., and have advanced production equipment and an experienced team of workers. We strictly implement ISO 9001 and ISO 16949 quality management. The professional technical team will develop a more complete solution according to your requirements to improve order production efficiency and minimize costs while ensuring product quality.
We can process aluminum, steel, stainless steel plates and strips with thicknesses ranging from 0.1mm to 20mm. The tolerance can reach 0.001mm.
We provide comprehensive after-sales service to let you enjoy comprehensive quality assurance. You can rest assured to entrust your sheet metal automotive parts orders to us for production.
The table below shows you our production capabilities.
The table below shows the wire diameter range, tensile force range and MOQ of steel jaw cable puller we can provide. You can download our product catalog to get more detailed parameters.
We can currently produce a variety of high-performance alloy steels that can be used for wire diameters between 0.08~1.8in (2.03~45.7mm), tensions between 1500~20000lbs (0.68~9tons) and for various wire types of Jaw Cable Gripper.
We have 4 types of ABC Conductor Grips to choose from, Load Capacity, ABC diameter, CODE and product image information can be found in the table below. You can also click the button on the right side of the image to download them directly.
Jaw Rope Puller Parameter
Jaw Rope Puller has passed strict sampling inspection before leaving the factory. Each batch of goods can meet the use requirements. We have a complete supply chain to provide you with more thoughtful services and higher quality products.
Jaw Rope Puller is a tool designed to pull Copper Cable, Cover Cable, Bare Aluminum Cable, ACSR, ACSS, AAC, ABC, Bare Cu Cable, Guy Wire, Wire Rope, Barbed Wire, Trolley Wire, etc. to a specific location. One end of the Jaw Rope Puller is used to connect to the tensile machine, and the other end is connected to the rope. As the tensile machine is started, the cable will gradually tighten or be pulled out from one end of the cable duct.
There are two designs for the jaws of the Jaw Rope Puller terminal jaws:
One is that the fixed jaw is straight and smooth, and the movable jaw is curved with longer anti-skid teeth. This type has a smaller contact area with the cable than the other and is more suitable for tightening harder metal ropes.
The other type has both the fixed jaw and the movable jaw straight and horizontal, and both are filled with shallow anti-skid teeth. This type has a larger contact surface with the cable, which can provide stronger friction while protecting the outer skin of the rope. It is suitable for more rope operation scenarios.
Some types of Jaw Rope Pullers will have side baffles, which are used to prevent the cable from detaching from the side of the Jaw Rope Puller due to force changes when tightening, causing accidents.
They all use springs to achieve automatic merging after opening. We use high-elastic alloy springs that can be used repeatedly for hundreds of times.
Jaw Rope Puller Supplied by HULK Metal is made of high-performance alloy steel through hot die forging. It has stronger performance.
Most of its parts are produced by hot die forging, the baffles are laser cut, and the parts are assembled by our assembly line after galvanizing.
Its surface treatment is electrogalvanizing. Its average coating thickness is 5μm.
Our Jaw Wire Puller has two types of jaws to accommodate a wider variety of wires. Some types also have side panels to prevent the wire from slipping out from the side during tensioning. You can choose a more suitable one based on factors such as wire type, wire diameter, and usage scenario.
HULK Metal can provide you with a variety of jaw grip pullers. You can choose a more suitable style according to the Guy Wire diameter, tension and other parameters, as well as the contact surface damage requirements.
Our closely partnered forging factories specialize in both hot and cold forging techniques, equipped with state-of-the-art presses, furnaces, and CNC machinery. These factories adhere to strict quality controls and international standards, enabling efficient production of complex shapes and sizes. Their expertise guarantees consistent product quality and timely delivery for bulk manufacturing orders.
Related Article of Hot Forging And Cold Forging
Explore insightful articles covering the principles, advantages, and applications of hot forging and cold forging. These resources detail process differences, material behavior, and selection tips to help you make informed decisions. Such articles provide valuable knowledge for engineers, manufacturers, and buyers seeking to optimize forging solutions for their specific requirements.
As a top metalworking service provider, we want to let every customer experience a sense of security in purchasing, sales, etc., and better realize their value through continuously defining new standards for products and services.
Room 901, Intelligent Park A Building, No. 86 ChunYang Rd, Qingdao, China 266109
© 2025 HULK Metal All Rights Reserved. All Rights Reserved.
EN
RU
