Home > Fittings > Stainless Steel Union
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 stainless steel welded tubing that is not only durable but also resistant to corrosion. 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 top-grade stainless steels like 304, 316, and 409, which are celebrated for their outstanding corrosion resistance and mechanical strength. These tubes are crafted with compositions rich in chromium and nickel, boosting their durability and resistance to oxidation. They boast impressive mechanical properties, including high tensile strength, excellent formability, and superior weldability. The tubing is designed to maintain its integrity even under high pressure and temperature, 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.
| Dimensions | ASME 16.11, MSS SP-79, MSS SP-95, 83, 95, 97, BS 3799 |
| Size | 1/8″ NB TO 4″ NB |
| Form | Threaded Union, Forged Threaded Union |
| Pressure Ratings | Up to 20,000 psig (1,378 bar) |
|---|---|
| Temperature Ratings | Up to 1000° F (537° C) |
| Class | 33000 LBS, 6000 LBS, 4500 LBS |
| Type | Socket Weld (S/W) & SCREWED (SCRD) – NPT, BSP, BSPT |
| Types | NPT, ISO/BSP, SAE threads |
| Value Added Services: | Hot Dipped Galvanizing, Epoxy & FBE Coating, Electro Polish, Sand Blasting, Threading, Soldering |
| Export to | Singapore, Indonesia, Cape Town, Brazil, Ukraine, India, Thailand, Korea, Oman, Spain, Canada, USA, Ireland, Iran, Egypt, Saudi Arabia, Peru, etc |
| Production Grades: | Stainless Steel, Alloy Steel, Duplex, Nickel Alloys, Low temperature Steel, Carbon Steel, Cupro Nickel |
| Sizes available | 1/16 to 1 in. |
| Main Types | Pipe nipples, adapter and gaskets, reducing bushing and reducers, couplings, elbows, tees, crosses, union ball joints, caps, and plugs |
| Grade | C | Mn | Si | P | S | Cr | Mo | Ni | N | Ti | Fe | |
| 304 | min. | 18.0 | 8.0 | |||||||||
| max. | 0.08 | 2.0 | 0.75 | 0.045 | 0.030 | 20.0 | 10.5 | 0.10 | ||||
| 304L | min. | 18.0 | 8.0 | |||||||||
| max. | 0.030 | 2.0 | 0.75 | 0.045 | 0.030 | 20.0 | 12.0 | 0.10 | ||||
| 304H | min. | 0.04 | 18.0 | 8.0 | ||||||||
| max. | 0.010 | 2.0 | 0.75 | 0.045 | 0.030 | 20.0 | 10.5 | |||||
| SS 310 | 0.015 max | 2 max | 0.015 max | 0.020 max | 0.015 max | 24.00 26.00 | 0.10 max | 19.00 21.00 | 54.7 min | |||
| SS 310S | 0.08 max | 2 max | 1.00 max | 0.045 max | 0.030 max | 24.00 26.00 | 0.75 max | 19.00 21.00 | 53.095 min | |||
| SS 310H | 0.04 0.10 | 2 max | 1.00 max | 0.045 max | 0.030 max | 24.00 26.00 | 19.00 21.00 | 53.885 min | ||||
| 316 | min. | 16.0 | 2.03.0 | 10.0 | ||||||||
| max. | 0.035 | 2.0 | 0.75 | 0.045 | 0.030 | 18.0 | 14.0 | |||||
| 316L | min. | 16.0 | 2.03.0 | 10.0 | ||||||||
| max. | 0.035 | 2.0 | 0.75 | 0.045 | 0.030 | 18.0 | 14.0 | |||||
| 316TI | 0.08 max | 10.00 14.00 | 2.0 max | 0.045 max | 0.030 max | 16.00 18.00 | 0.75 max | 2.00 3.00 | ||||
| Grade | Density | Melting Point | Tensile Strength | Yield Strength (0.2%Offset) | Elongation |
| 304/ 304L | 8.0 g/cm3 | 1400 °C (2550 °F) | Psi 75000 , MPa 515 | Psi 30000 , MPa 205 | 35 % |
| 304H | 8.0 g/cm3 | 1400 °C (2550 °F) | Psi 75000 , MPa 515 | Psi 30000 , MPa 205 | 40 % |
| 310 / 310S / 310H | 7.9 g/cm3 | 1402 °C (2555 °F) | Psi 75000 , MPa 515 | Psi 30000 , MPa 205 | 40 % |
| 306/ 316H | 8.0 g/cm3 | 1400 °C (2550 °F) | Psi 75000 , MPa 515 | Psi 30000 , MPa 205 | 35 % |
Contact us to get a quick quote for your requirement.
Moreover, test certificates such as MTC as per EN 10204/3.1b, PMI Test Certificate, 100% Radiography Test Report, and Third Party Inspection Certificate are provided by most Njabulo Stainless Unions. Such documents act as proof for the quality and reliability of the product to its users regarding high performance and durability. Commitment to seamless and trustworthy experience where these Stainless Steel Unions meet the best standards of quality and compliance.
Stainless Steel Unions typically do not require additional corrosion protection coatings due to their inherent resistance to rust and corrosion. However, coatings may be applied for extreme environments or aesthetic purposes.
Yes, Stainless Steel Unions are fully recyclable. Stainless steel is a sustainable material that can be reused without losing its properties, making it an environmentally friendly choice for various applications.
When selecting Stainless Steel Unions, consider factors like material grade, pressure ratings, size compatibility, corrosion resistance, and the specific application environment to ensure optimal performance and durability.
Stainless Steel Unions are available in various configurations, including threaded, butt-weld, socket-weld, and flanged unions, offering different connection types to suit diverse industrial applications and pressure requirements.
Njabulo Stainless’s stainless steel welded tubing finds its way into a wide range of industries thanks to its strength, corrosion resistance, and visual appeal. You’ll often see 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 is crucial 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.







©2024 Njabulo Stainless All Rights Reserved.