EN
RUBefore delivery, our QC team checks product surface treatment, coating thickness, and overall quality. Only fittings that meet customer requirements are packaged and shipped.
1. Higher Standard Certification
2. Perfect Production Solution
3. More Corrosion Resistant
4. Comprehensive After Service
5. Wide-ranging Application
The Three Socket Angle Tee Structural Pipe Fitting is an essential component for angled guardrails and handrails. It connects two top rails to an upright post with adjustable angles from 0–11 deg, ensuring both safety and flexibility. Manufactured from high-quality malleable iron, ductile iron, or other customizable materials, it provides strong load-bearing performance, reliable connections, and excellent corrosion resistance.
Our Three Socket Angle Tee Structural Pipe Fitting is available in multiple tube sizes and customizable designs to fit diverse project requirements. Customers can choose from durable malleable iron, ductile iron, or stainless steel with various surface finishes, including galvanizing and powder coating. With adjustable angles from 0–11 deg, this fitting ensures flexible installation and long-lasting performance. Each fitting is manufactured under strict standards, ensuring consistency, reliability, and high load capacity.
| Pipe Info | |||
 | |||
| Material | Carbon Steel | ||
| Surface | Hot Galvanized / Powder Coating | ||
| Color | Refer To Pantone Color Card | ||
| Pipe Sizes Comparison | |||
| Size | Inner Diameter | Outer Diameter | |
| Nominal (DN) | in | mm | |
| T | 15 | 1/2" | 21.3 |
| A | 20 | 3/4" | 26.9 |
| B | 25 | 1" | 33.7 |
| C | 32 | 5/4" | 42.4 |
| D | 40 | 3/2" | 48.3 |
| E | 50 | 2" | 60.3 |
| Color only refers to the color of the powder coating. The powder coating of the pipe will allow for color tolerance, Kindly contact us for details. The quality of the tube will meet the usage requirements in most scenarios. For special scenarios, Kindly contact us for performance testing. | |||
| Basic Info Table of Fittings | |||||||||||
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| Name | 155 Three Socket Angle Tee | ||||||||||
| Material | Malleable Iron / Ductile Iron | ||||||||||
| Surface | Hot-dip Galvanized / Double Galvanized / Powder Coating / Raw Black | ||||||||||
| Color | Refer To Pantone Color Card | ||||||||||
| Pipe Sizes Comparison | Surface Finishing & Code | Dimensions(mm) | |||||||||
| Size | DN | in | mm | Hot-dip Galvanized | Double Galvanized | Powder Coating | Raw Black | a | b | C | D |
| B | 25 | 1" | 33.7 | HM-G-155-B | HM-D-155-B | HM-PC-155-B | HM-B-155-B | 46 | 104 | ||
| C | 32 | 5/4" | 42.4 | HM-G-155-C | HM-D-155-C | HM-PC-155-C | HM-B-155-C | 60 | 145 | ||
| D | 40 | 3/2" | 48.3 | HM-G-155-D | HM-D-155-D | HM-PC-155-D | HM-B-155-D | 68 | 168 | ||
The Three Socket Angle Tee Structural Pipe Fitting is engineered for guardrail and handrail systems with adjustable slope angles between 0–11 deg. It provides a stable and reliable connection between two top rails and an upright, offering structural integrity and flexibility. Designed with precision, durable materials, and advanced finishing, it delivers superior performance for both industrial and DIY applications. HULK Metal ensures higher quality standards, excellent corrosion resistance, and long service life.
The Three Socket Angle Tee is a structural pipe fitting designed to connect two top rails to an upright post in guardrail or handrail systems. It accommodates slope adjustments between 0–11 deg, providing both safety and versatility. Widely used in industrial, construction, and DIY applications, it ensures reliable support.
This joint can be considered an external sleeve joint that features side sockets. The inner cavity of the side sockets allows the pipes to be adjusted at an angle of approximately 0 to 11 degrees on either side of the vertical line in the same plane. Each of the three sockets has a hexagonal bolt with a socket head to secure the three pipes.
The fitting allows precise slope adjustments, ensuring strong and secure connections in varying installation conditions. Its robust construction and corrosion-resistant finish guarantee durability and long service life. Easy to assemble with hex bolts, it reduces labor costs and installation time. Compatible with multiple pipe sizes, it offers great flexibility.
Used in guardrail and handrail systems requiring 0–11 deg slope adjustments, providing safer and more adaptable railing structures.
Ideal for DIY structures where adjustable angled connections are needed, ensuring reliable and easy-to-assemble frameworks.
Suitable for construction projects, public facilities, and industrial platforms to maintain structural integrity.
Commonly applied in stairways, ramps, and uneven surfaces to maintain consistent railing height and stability.
Offers flexibility in design while meeting safety standards, making it an essential fitting for professional and custom railing projects.
The Three Socket Angle Tee joins two top rails to an upright post at adjustable angles between 0–11 deg. Each socket is tightened with a hex bolt, ensuring a strong connection. This design allows secure rail adjustments on sloped surfaces, keeping the guardrail or handrail system stable and safe.
HULK Metal provides Three Socket Angle Tee fittings in cast iron, stainless steel, and aluminum to meet different project requirements.
Available in malleable iron and ductile iron, cast iron fittings offer high strength and excellent load-bearing capacity. Ideal for heavy-duty guardrail systems, they are cost-effective and durable, making them the most widely used material for structural pipe fittings in industrial applications.
Stainless steel fittings provide superior corrosion resistance, making them suitable for outdoor or marine environments. They offer a clean, modern appearance and excellent durability, ensuring long-term structural stability. Perfect for projects requiring both high strength and aesthetic appeal with low maintenance requirements.
Aluminum fittings are lightweight yet strong, offering excellent resistance to corrosion. Ideal for applications where weight reduction is critical without compromising durability. Commonly used in DIY structures and light-duty installations, they provide flexibility, easy handling, and reliable performance in various environments.
Different surface treatments enhance corrosion resistance, appearance, and durability, ensuring the fitting adapts to various environmental and usage conditions.
Hot-dip galvanizing forms a thick zinc coating that provides long-term corrosion resistance, even in harsh outdoor environments. It ensures the fitting withstands weathering, moisture, and wear, making it suitable for construction sites, public facilities, and industrial projects. This treatment enhances service life and reduces maintenance costs for large-scale applications.
This process combines hot-dip galvanizing with electro-galvanizing, creating an extra protective layer against corrosion. It improves surface uniformity, increases durability, and extends product lifespan. Suitable for areas with high humidity or industrial environments, it provides superior protection and minimizes maintenance. Ideal for projects demanding extra reliability and aesthetic finish.
Powder coating applies a durable, colored finish that enhances both corrosion resistance and visual appeal. It allows customization with various colors to match project requirements. Suitable for public spaces, commercial buildings, and DIY applications, this finish ensures better aesthetics while maintaining durability and resistance to scratches, wear, and corrosion.
For more information on other fittings, click on "Structural Pipe Fittings."
If you need to create a vertical T-shaped connection using three pipes, click on "Three Socket Tee" to learn more.
Verify that the three-socket angle tee size matches the required pipe diameter of the system to avoid insecure installation or failure to operate.
Evaluate whether the surface treatment meets the corrosion protection requirements of the intended use environment, such as outdoor, humid, or industrial environments.
Check that the product complies with local building and safety standards to ensure legal and safe use.
A reliable supplier must have strong production capacity and advanced equipment to meet large-scale orders. Consistent delivery within agreed timelines ensures that your project progresses smoothly without delays. HULK Metal provides fast production and shipping services to help customers receive goods on time.
Suppliers should establish strict quality management systems, including dimensional inspections, surface treatment checks, and load testing. A comprehensive QC process ensures that each fitting meets international standards. HULK Metal operates under ISO9001 certification, ensuring every Three Socket Angle Tee meets the highest quality standards before shipment.
A good supplier offers multiple material and surface treatment options to meet diverse project requirements. From galvanized to powder coating, and from cast iron to stainless steel, flexibility in customization ensures suitability for different usage environments. HULK Metal provides professional customization services for global clients.
Beyond production, after-sales service is crucial for long-term cooperation. A responsible supplier provides return, exchange, and technical consulting services to help clients solve problems quickly. HULK Metal's service team ensures smooth communication, professional guidance, and reliable support throughout the purchasing and usage process.
A: A fully equipped quality inspection center, rigorous testing procedures, and a complete quality assurance system. Our engineers inspect every stage of production, from raw materials to final delivery, ensuring that all fittings meet ISO and CE standards.
A: Pricing depends on raw materials, size, surface treatment, and order quantity. As a direct factory supplier, we provide real-time competitive quotes with transparent cost structures. Larger orders benefit from better economies of scale.
A: All prices are based on high-quality standards. With the same quality, our quotation is more competitive. Ordering in larger quantities or long-term cooperation with HULK Metal allows customers to enjoy better discounts and more favorable terms.
A: Minimum order quantity depends on product size and material. Generally, our MOQ is flexible, and we support trial orders. Please contact our sales team directly for the most accurate quotation and order requirements.
A: Delivery time depends on order quantity and customization needs. Standard production takes about 30 days, with maximum delivery not exceeding 45 days. Larger orders increase production efficiency, enabling faster lead times without compromising quality.
A: We provide hot-dip galvanizing, double-coating galvanizing, and powder coating. Customized powder coating colors require a MOQ. Each treatment enhances corrosion resistance and surface durability, ensuring fittings adapt to different environments and project requirements.
A: We have supplied fittings to over 50 countries, including markets in Europe, North America, South America, Africa, and Southeast Asia. With stable logistics partners, we provide reliable and efficient international shipping services worldwide.
A: We mainly produce cast iron structural pipe fittings with a full mold set. We also support stainless steel and aluminum production on request, but these require mold development or OEM services. Customization is available.
A: We offer multiple tube sizes, including 33.7mm, 42.4mm, and 48.3mm, with the option for customized sizes upon request. Customers can specify project needs, and we will provide tailored solutions with corresponding codes and drawings.
A: We support T/T, L/C, and other flexible payment methods. Delivery terms include FOB, CIF, and DDP. Customers can choose the most suitable option for their project requirements, ensuring cost-effectiveness and smooth delivery.
We collect details about your requirements, including surface treatment, packaging, delivery time, payment method, and project specifications. This ensures our team provides tailored production solutions and supports you with technical suggestions for better product performance.
We purchase certified raw materials from reliable suppliers and inspect them thoroughly for chemical composition and physical strength. Only qualified materials are approved for production, ensuring long-lasting durability and consistency in our Three Socket Angle Tee fittings.
Our factory uses advanced casting, machining, and finishing equipment to manufacture fittings. Every production step is carried out under strict process standards. From mold design to surface treatment, each step ensures dimensional accuracy, high strength, and superior corrosion resistance.
Using precision molds and advanced casting equipment, molten metal is poured to form strong and accurate fittings. This process ensures the Three Socket Angle Tee achieves high dimensional consistency, durability, and performance for industrial and construction applications.
After casting, excess material is removed, and each fitting undergoes grinding and polishing. This step improves surface smoothness, dimensional accuracy, and safety. Our finishing process prepares the fittings for surface treatment and ensures a clean, consistent appearance.
Our QC team inspects every fitting after finishing. We check dimensions, structural integrity, and surface quality to ensure compliance with ISO standards. Only fittings that pass all tests proceed to surface treatment and final assembly stages.
We apply galvanizing or powder coating to improve corrosion resistance and durability. Each surface treatment is strictly monitored to ensure uniform thickness and adhesion. This guarantees long-lasting protection in different usage environments, from indoor projects to outdoor installations.
Final inspection is performed after surface treatment. QC engineers measure coating thickness, test adhesion, and verify visual uniformity. Only fittings that pass inspection are approved for packaging, ensuring consistent quality in every batch before shipment.
Fittings are packed in strong cartons and pallets to prevent damage during transportation. We provide flexible packaging methods according to customer requirements. Efficient logistics ensures safe delivery to ports or warehouses worldwide within the agreed timeline.
You can check the quality and quantity of the goods after receiving them. Any products with quality problems can enjoy return, exchange, and restocking services. Our after-sales team provides technical support and ensures customer satisfaction.
HULK Metal implements a comprehensive quality control system covering every production stage of the Three Socket Angle Tee. From raw material inspection to pre-shipment checks, our QC team ensures dimensional accuracy, surface quality, and load performance. With advanced testing equipment and ISO9001 procedures, we guarantee that each fitting meets international standards. Strict inspections prevent defects, reduce risks, and ensure long-term reliability for global customers.
Before delivery, our QC team checks product surface treatment, coating thickness, and overall quality. Only fittings that meet customer requirements are packaged and shipped.
Precise measurements are taken at each production stage to ensure fittings meet design specifications and pipe compatibility. Strict dimensional control prevents installation issues and guarantees consistent performance.
Fittings undergo load-bearing and functional testing to verify performance in actual guardrail and handrail applications. These inspections confirm strength, stability, and safety under real usage conditions.
Each batch is counted and verified to ensure order accuracy. This prevents shortages or oversupply, guaranteeing customers receive exactly the right number of fittings ordered.
HULK Metal has established a modern factory equipped with advanced casting machines, precision finishing equipment, and automated surface treatment lines. With a strong production team and standardized management system, we guarantee higher efficiency, shorter delivery times, and more consistent product quality. Our facilities cover the entire process from raw material processing to packaging, ensuring every Three Socket Angle Tee meets international standards and passes strict quality inspections before shipment.
Choosing HULK Metal means choosing a supplier that combines advanced production capability, strict quality control, and comprehensive service. We provide ISO9001-certified fittings with customizable materials and finishes, supported by a strong technical team. Our factory ensures fast production and delivery, while our after-sales service builds customer confidence. With proven experience in international trade and reliable logistics, HULK Metal is your trusted partner for stable supply and long-term cooperation in structural pipe fittings.
Our handrail bracket structural pipe fittings have multi-type surface treatments to prevent corrosion, precise dimensions, and a strong load-bearing capacity. They provide a longer service life and a more secure installation, making them perfect for outdoor safety rails, balconies, and staircases.
The Internal Swivel Tee Structural Pipe Fitting allows a 360 deg rotation around the connection point, making it ideal for angled rail systems. Manufactured from malleable iron or ductile iron with multiple finish options, it provides stronger performance and longer service life.
The Three Socket Angle Tee Structural Pipe Fitting is an essential component for angled guardrails and handrails. It connects two top rails to an upright post with adjustable angles from 0 to 11 degrees, ensuring both safety and flexibility.
The Slope Short Tee is specially designed for guardrail and handrail systems with slopes from 0 to 11 degrees. Its internal socket allows for the precise adjustment and secure fixing of uprights using hex bolts.
Malleable Iron/Ductile Iron/Customizable
Galvanized/Powder-coat/Customizable
TUBE SIZE(mm)
26.9
33.7
42.4
48.3
Customizable
HULK Metal supplies base flange structural pipe fittings made of durable materials with multiple surface finishes. They are designed for stronger pipe connections and longer service life. Our modern factory, professional team, and strict inspection ensure higher-standard products for your projects.
HULK Metal manufactures high-standard railing base flange structural pipe fittings with ISO 9001 certification. Our fittings feature precise dimensions, reliable strength, and multiple surface treatments, ensuring durability and excellent performance in both indoor and outdoor applications for handrail and guardrail systems.
Malleable Iron/Ductile Iron/Customizable
Galvanized/Powder-coat/Customizable
TUBE SIZE(mm)
26.9
33.7
42.4
48.3
60.3
Customizable
Malleable Iron/Ductile Iron/Customizable
Galvanized/Powder-coat/Customizable
TUBE SIZE(mm)
26.9
33.7
42.4
48.3
60.3
33.7/26.9
Customizable
The Swivel Base Flange is engineered to secure pipes to walls with adjustable angles from 0° to 180°. Its modular design ensures easy assembly, reliable stability, and compatibility with multiple pipe sizes and materials.
Malleable Iron/Ductile Iron/Customizable
Galvanized/Powder-coat/Customizable
TUBE SIZE(mm)
26.9
33.7
42.4
48.3
Customizable
Malleable Iron/Ductile Iron/Customizable
Galvanized/Powder-coat/Customizable
TUBE SIZE(mm)
33.7
42.4
48.3
Customizable
Malleable Iron/Ductile Iron/Customizable
Galvanized/Powder-coat/Customizable
TUBE SIZE(mm)
26.9
33.7
42.4
48.3
48.3/42.4
60.3
21.3
Customizable
Malleable Iron/Ductile Iron/Customizable
Galvanized/Powder-coat/Customizable
TUBE SIZE(mm)
26.9
33.7
42.4
48.3
60.3
21.3
Malleable Iron/Ductile Iron/Customizable
Galvanized/Powder-coat/Customizable
TUBE SIZE(mm)
26.9
33.7
42.4
48.3
60.3
Customizable
Malleable Iron/Ductile Iron/Customizable
Galvanized/Powder-coat/Customizable
TUBE SIZE(mm)
26.9
33.7
42.4
48.3
60.3
Customizable
Malleable Iron/Ductile Iron/Customizable
Galvanized/Powder-coat/Customizable
TUBE SIZE(mm)
26.9
33.7
42.4
48.3
60.3
21.3
Customizable
Malleable Iron/Ductile Iron/Customizable
Galvanized/Powder-coat/Customizable
TUBE SIZE(mm)
26.9
33.7
42.4
48.3
60.3
21.3
Customizable
HULK Metal's Clamp on Tee Structural Pipe Fittings are engineered for secure, easy installation on existing systems. Made from high-quality malleable or ductile iron, they support durable, stable connections for guardrails, handrails, and DIY structures.
Two Socket Cross Structural Pipe Fittings are designed to connect upright pipes with two perpendicular pipes in the same plane. Manufactured from high-quality cast iron, stainless steel, or aluminum, these fittings undergo strict inspection and advanced surface treatment
Malleable Iron/Ductile Iron/Customizable
Galvanized/Powder-coat/Customizable
TUBE SIZE(mm)
26.9
33.7
42.4
48.3
Customizable
HULK Metal manufactures high-quality Three Socket Tee (Long Tee) Structural Pipe Fittings that combine strength, precision, and reliability. Made from malleable or ductile iron with customizable finishes such as galvanizing or powder coating, these fittings are ideal for both industrial and DIY applications.
The side outlet elbow, also called a 3-way elbow, is designed to connect three pipes at 90° angles. It provides strength and stability in guardrails, handrails, and cube-like structures.
HULK Metal's Variable Swivel Elbow is engineered for versatile pipe-joining applications. With angles ranging from 73° to 287°, it provides maximum flexibility for complex structures.
HULK Metal's Reducing Short Tee Structural Pipe Fitting is engineered to provide a secure vertical pipe connection with different diameters, ideal for mid-rails or guardrail top rails.
The Single Socket Tee Structural Pipe Fitting, also known as Short Tee, is widely used in railing systems, guardrails, and DIY structures. It allows one pipe to connect securely at a right angle to another, forming a stable "T" connection.
The Single Lugged Bracket Structural Pipe Fitting is a reliable solution for fixing pipes onto walls or panels where limited space prevents double lug use.
The Vertical Railing Side Support Structural Pipe Fitting is designed to provide strong and stable support for railing systems. Manufactured with malleable iron or ductile iron, and available in multiple surface treatments such as hot-dip galvanizing or powder coating, these fittings ensure long-term durability.
The Cradle Clamp Structural Pipe Fitting is designed to fasten pipe rails securely to uprights. Its open clamp structure allows quick installation, while inner hex bolts ensure reliable stability.
Horizontal Railing Side Support Structural Pipe Fittings are designed to fasten railing uprights firmly against walls or side structures.
The Adjustable Short Tee is engineered to connect pipes at variable angles from 30 deg to 60 deg. Its durable structure, simple installation, and flexible design make it suitable for guardrail and handrail systems.
The Single Swivel Combination is formed by joining two swivel fittings, making it ideal for environments requiring flexible angle adjustments. While it cannot independently bear lateral loads, it becomes effective when used together with other fittings.
The Add on Short Tee Structural Pipe Fitting is a hinged socket fitting that allows vertical connections to existing pipe systems without dismantling.
HULK Metal Variable Elbow Structural Pipe Fitting is designed to create secure and adjustable angled connections between pipes. With a strong structure and reliable locking bolts, it delivers stability and precision.
HULK Metal Adjustable Angle Two Socket Cross Structural Pipe Fitting provides a strong and flexible connection between uprights and rails. Designed for rail systems with slopes from 45° to 90°, it is widely used in stairways, handrails, and ramps.
The Galv Ground Socket Structural Pipe Fitting is designed to provide secure support for uprights in diverse ground conditions. Made of high-strength malleable or ductile iron, it ensures long-term stability and durability.
The Side Palm Fixing Structural Pipe Fitting is engineered to provide a solid and secure connection for railing uprights against walls, stairs, or ramps. Its three-lug design with reinforced sockets improves stability and load capacity.
The Double Lugged Bracket Structural Pipe Fitting is engineered to mount pipes flush against flat walls or panels. Featuring two lugs with fixing holes, it supports various screw or chemical fixing methods. Its socket with hex bolts firmly secures the pipe in place.
The Double Male Swivel Structural Pipe Fitting is designed for flexible joint connections and works seamlessly with single swivel female parts to form a stable structure.
Malleable Iron/Ductile Iron/Customizable
Galvanized/Powder-coat/Customizable
TUBE SIZE(mm)
26.9
33.7
42.4
48.3
60.3
Customizable
Hook structural pipe fittings provide temporary mounting points on pipes. Designed for horizontal and vertical installation, they ensure user safety with rounded heads and secure locking via hex bolts. This solution is suitable only for incomplete systems.
The slope railing base flange pipe fitting is designed to secure inclined uprights to the ground with adjustable angles. Manufactured with strict quality control, it offers multiple surface treatments, ensuring strength, corrosion resistance, and suitability for diverse railing and structural applications.
Our gate hinge pipe fittings combine robust materials with precision casting to create dependable connections for gates. With multiple surface treatments and sizes available, they meet diverse installation requirements, deliver excellent corrosion resistance, and provide a secure, smooth rotational function.
Gate Eye Pipe Fittings provide a reliable hinge connection for gates and handrail systems. Made from strong cast iron or flexible ductile iron, they come with different surface finishes, providing great performance, a longer lifespan, and making them suitable for many construction and industrial uses.
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.
119 Galvanized Safety Railing Fittings Two Socket Cross is used to add two pipes on the same plane to form a cross structure for a specific position of a pipe.
116A Galvanized Pipe Guardrail Fittings Add On Side-outlet Tee is used to add two perpendicular rails to an already assembled handrail or guardrail uprights, or to add two perpendicular pipes to an assembled DIY structure such as a cube or cuboid.
101 Reducing Short Tee Galvanized Pipe Railing Fittings are often used. HULK Metal is a well-known supplier in China. We look forward to your inquiry.
No. 101 galvanized pipe handrail fittings are used to connect two pipes into a "T" shape. It is also called Short Tee. One pipe is inserted into the socket and the other one passes through the channel above.
104 galvanized slip-on pipe fittings long tee can be used to add two horizontal pipes to the guardrail or handrail uprights, or to connect two pipes in a DIY structure and add a vertical pipe to them.
104 galvanized slip-on pipe fittings long tee can be used to add two horizontal pipes to the guardrail or handrail uprights, or to connect two pipes in a DIY structure and add a vertical pipe to them.
Safety rail fittings are slip-on pipe fittings for safety railings. They can be quickly installed to complete a system, are easy to operate, and have a longer life and better performance. The 125R reducing 90-degree elbow is a special and uncommon fitting used to connect two pipes of different thicknesses.
We can provide 21.3 mm to 60.3 mm size, that is, 1/2" to 2". We have a full range of molds, can complete each order faster.
124 type Galvanized Key Clamp Fitting uses 3 types of hot-dip galvanizing, double coating, and powder coating. We can provide 33.7mm, 42.4mm and 48.3mm diameters. We integrate a complete supply chain and a professional team to provide better products and services. Looking forward to your inquiry.
123 Type Galvanized Railing Fittings is a kind of elbow that can connect two pipes with an angle of 40° to 70°. We can provide two calibers: 42.4mm and 48.3mm. We will strictly implement ISO9001 to manage the supply chain and provide better products and services.
We integrated a complete supply chain, passed ISO 9001 certification, formed a professional technical team and produced a full range models of the galvanized pipe connector fittings to provide the best services and products. Looking forward your inquiry.
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.
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