Home > Forged Fittings > Stainless Steel 321/321H Forged Fittings
Njabulo Stainless is a top-notch manufacturer and supplier of high-quality stainless steel welded tubing, proudly rooted in Cape Town, South Africa. With a strong focus on precision engineering and exceptional craftsmanship, Njabulo Stainless provides reliable tubing solutions tailored to the needs of various industries. By blending cutting-edge technology with rigorous quality control, they produce durable, corrosion-resistant stainless steel welded tubing. Catering to both local and international markets, Njabulo Stainless has earned a solid reputation for reliability, innovation, and customer satisfaction, making it a go-to name in the stainless steel tubing sector across South Africa and beyond.
When it comes to manufacturing, Njabulo Stainless uses premium stainless steels like 304, 316, and 409, which are celebrated for their outstanding corrosion resistance and mechanical strength. These tubes boast compositions rich in chromium and nickel, which enhance their durability and resistance to oxidation. They also feature impressive mechanical properties, including high tensile strength, good formability, and excellent weldability. The tubing is designed to maintain its integrity even under high pressure and temperature conditions, making it perfect for demanding applications. Each batch undergoes thorough testing to ensure it meets international standards such as ASTM, EN, and ISO, guaranteeing consistent performance.
Specifications ASTM A182 & ASME SA182
Standard ASME 16.11, MSS SP-79, 83, 95, 97, BS 3799
Size 1/8” NB to 4” NB (Socketweld & Screwed-Threaded)
Class 2000 LBS, 3000 LBS, 6000 LBS, 9000 LBS
Type Socketweld Fittings, Screwed-Threaded Fittings
Forged Fittings Items : 45 Deg Elbow, 90 Deg Elbow, Forged Tee, Union, Full Coupling, Half Coupling, Cross, Cap, Swage Nipple, Plug, Bush, Welding Boss, Hexagonal Nipple etc.
Type Socketweld Fittings, Screwed-Threaded Fittings
Grade 321 / 321H UNS (S32100, S32109), DIN (1.4541, 1.4878)
| Grade | C | Mn | Si | P | S | Cr | N | Ni | Ti |
| SS 321 | 0.08 max | 2.0 max | 1.0 max | 0.045 max | 0.030 max | 17.00 – 19.00 | 0.10 max | 9.00 – 12.00 | 5(C+N) – 0.70 max |
| SS 321H | 0.04 – 0.10 | 2.0 max | 1.0 max | 0.045 max | 0.030 max | 17.00 – 19.00 | 0.10 max | 9.00 – 12.00 | 4(C+N) – 0.70 max |
| Density | Melting Point | Tensile Strength | Yield Strength (0.2%Offset) | Elongation |
| 8.0 g/cm3 | 1457 °C (2650 °F) | Psi – 75000 , MPa – 515 | Psi – 30000 , MPa – 205 | 35 % |
Contact us to get a quick quote for your requirement.
At Njabulo Stainless, each stainless steel 321/321H forged fitting undergoes rigorous testing for excellent quality and performance. Our products are certified to meet international standards, including ISO and ASTM. Tests include material authentication, water testing and non-destructive analysis to ensure durability, reliability and compliance for critical industrial applications around the world.
These fittings, available in sizes from 1/8″ to 4″, are designed for high-pressure applications with socket weld connections. They offer excellent resistance to oxidation and corrosion due to their high chromium and nickel content. Ideal for elevated temperature environments.
Threaded fittings in 321 stainless steel come in sizes ranging from 1/8″ to 6″. They provide superior resistance to intergranular corrosion, making them suitable for high-temperature and pressure applications. The threaded design ensures a secure, leak-proof connection.
This 45-degree elbow, available from 1/2″ to 4″, is used to change the direction of piping. It maintains high corrosion resistance and strength under elevated temperatures, making it suitable for critical, high-stress applications.
The threaded tee, with sizes from 1/8″ to 6″, allows for branch connections at a 90-degree angle. It is designed for high resistance to heat and corrosive environments, ensuring reliability and durability in demanding conditions.
Available in sizes ranging from 1/8″ to 4″, this half coupling provides a secure connection between two pipes. It is crafted to withstand oxidation and corrosion, making it ideal for high-temperature applications.
The socket weld cross, available from 1/2″ to 4″, connects four pipes at right angles. It features high resistance to thermal and chemical stresses, ensuring long-lasting performance in extreme conditions.
Njabulo Stainless’s stainless steel welded tubing is widely utilized across a range of industries thanks to its strength, corrosion resistance, and visual appeal. You’ll find it in structural frameworks, fluid transport systems, exhaust systems, heat exchangers, and food processing equipment. In construction, it’s a popular choice for handrails, balustrades, and architectural features. Additionally, this tubing plays a crucial role in the petrochemical, automotive, and pharmaceutical sectors due to its hygienic and durable nature. Njabulo Stainless also offers customized tubing dimensions and finishes to meet specific project requirements, ensuring versatile and long-lasting solutions for both industrial and commercial applications.
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