Stainless Steel Union in Cape Town, South Africa – Leading Manufacturer & Supplier​

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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.

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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.

Stainless Steel Union Specifications

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

Stainless Steel Union Chemical Composition

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

Stainless Steel Union Mechanical Properties

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.

We offer These Products as per DIN, ISO, JIS or ANSI Standard.

Why Choose Stainless Steel Union from Njabulo Stainless?

Largest Inventory

Customer Support

On Time Deliveries

ISO Certified

Types of Stainless Steel Union

1/2 Stainless Steel Union
1 Inch Stainless Steel Union
2 Inch Stainless Steel Union
1 1/4 Stainless Steel Union
3/8 Stainless Steel Union
High Pressure Stainless Steel Union

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.

Frequently Asked Questions

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.

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Stainless Steel Union Uses

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.

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