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Njabulo Stainless, based in Cape Town, South Africa, is a trusted manufacturer and supplier of high-quality stainless steel fittings, including Stainless Steel Sockets. Stainless Steel Sockets are pipe fittings used to join two pipes together securely by allowing one pipe to slide into another. They are widely used in industries where durability, corrosion resistance, and hygiene are essential. Njabulo Stainless produces precision-engineered sockets that ensure leak-free connections, easy installation, and long-lasting performance. These fittings are suitable for piping systems in food, beverage, dairy, chemical, and pharmaceutical industries, helping maintain safe and efficient operations.
Stainless Steel Sockets are typically made from stainless steel grades 304 and 316, offering excellent resistance to rust, corrosion, and chemical exposure. Grade 316 is preferred in highly corrosive environments, ensuring long service life. Sockets feature high tensile strength, durability, and a smooth surface finish, making them ideal for pressurized systems. They maintain their shape and sealing performance under thermal expansion, pressure, and repeated cleaning cycles. Their corrosion resistance and robust design make them reliable for both sanitary and industrial piping systems, providing a secure and long-lasting connection.
| Grades | 201, 202, 304, 304L, 304H, 309S, 309H, 310S, 310H, 316, 316TI, 316H, 316L, 316LN, 317, 317L, 321, 321H, 347, 347H, 904L |
| Type | Seamless / Welded / Fabricated |
| Bending Radius | R=1D, 2D, 3D, 5D, 6D, 8D, 10D or Custom |
| Size | ½”NB to 48″NB in |
| Schedule | Sch 10s, 40s, 80s, 160s, XXS. |
| Dimensions | ANSI/ASME B16.9, B16.28, MSS-SP-43. |
| SS | 304 | 304N | 304LN |
|---|---|---|---|
| Ni | 8 – 11 | 8 – 11 | 8 – 11 |
| Fe | Balance | ||
| Cr | 18 – 20 | 18 – 20 | 18 – 20 |
| C | 0.08 max | 0.08 max | 0.035 max |
| Si | 0.75 max | 0.75 max | 0.75 max |
| Mn | 2 max | 2 max | 2 max |
| P | 0.040 max | 0.040 max | 0.040 max |
| S | 0.030 max | 0.030 max | 0.030 max |
| N | 0.10 – 0.16 | 0.10 – 0.16 | |
| Density | 8.0 g/cm3 |
| Melting Point | 1400 °C (2550 °F) |
| Tensile Strength | Psi – 75000 , MPa – 515 |
| Yield Strength (0.2%Offset) | Psi – 30000 , MPa – 205 |
| Elongation | 35 % |
Contact us to get a quick quote for your requirement.
Our stainless steel sockets are manufactured to the highest quality. Each piece is thoroughly tested in terms of hardness, chemical analysis, PMI testing, flattening, as well as micro and macro test, pitting resistance, flaring, and IGC tests. We give documentation that includes commercial invoice, packing lists, Certificated of Origin, and a letter of guarantee for everything that’s put under transparency. To spice things, we have third-party inspection certificates that affirm the customer’s satisfaction and product quality.
Stainless steel sockets are highly resistant to corrosion due to their chromium content, but they may corrode under extreme conditions, such as exposure to harsh chemicals or seawater. Regular maintenance ensures longevity.
Stainless steel sockets can attract magnets if they are made from ferritic or martensitic stainless steel, which contain magnetic properties. However, austenitic stainless steel, commonly used, is non-magnetic.
Yes, stainless steel sockets can be recycled after use. Stainless steel is a highly recyclable material, and recycling it helps reduce environmental impact while conserving valuable resources.
Yes, stainless steel sockets can be used for underground applications. Their corrosion resistance makes them suitable for harsh environments, ensuring durability and performance in buried or underground installations.
Stainless Steel Sockets are commonly used in food and beverage processing, dairy production, pharmaceuticals, chemical plants, and cosmetic industries. They allow secure joining of pipes in pipelines carrying liquids, gases, or chemicals without leaks. In breweries, juice, and milk processing, sockets help maintain hygienic conditions by providing smooth, easy-to-clean connections. In chemical and pharmaceutical plants, they prevent contamination and ensure safety under high-pressure systems. Their simple installation and maintenance make them ideal for modern industrial piping systems. Overall, Stainless Steel Sockets are key components for creating durable, efficient, and safe pipelines across various industries.







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