Njabulo Stainless is a reliable manufacturer and supplier of Stainless Steel 316L Nuts based in Cape Town, South Africa. They provide top-notch fasteners designed for strength, durability, and exceptional resistance to corrosion. Crafted from low-carbon austenitic stainless steel, these nuts are built to withstand pitting, crevice, and intergranular corrosion, making them perfect for chemical, marine, and industrial uses. With excellent mechanical stability, precise threading, and great weldability, Njabulo Stainless maintains strict quality control and adheres to international standards, ensuring that their nuts deliver long-lasting performance, secure fastening, and reliability across various industries in South Africa.
Stainless Steel 316L Nuts are made up of chromium (16–18%), nickel (10–14%), molybdenum (2–3%), and a low carbon content (≤0.03%) to boost corrosion resistance and prevent carbide precipitation. They showcase a tensile strength of 485 MPa, yield strength of 170 MPa, and an elongation of 40%, which contributes to their impressive toughness and durability. With a density of 8.0 g/cm³ and a melting range of 1370–1400°C, these nuts ensure mechanical stability, corrosion resistance, and long-lasting performance even in harsh chemical, marine, and high-temperature settings.
| Standard | ASTM A193,A194 / ASME SA193,SA194 |
| Standard | DIN, ASTM, BS and all International Standards |
| Length | 3 mm to 200 mm |
| Size | M3 – M56 | 3/6″ to 2″ | Custom Sizes |
| Grade | C | Mn | Si | P | S | Cr | Mo | Ni | N |
| SS 316L | 0.035 max | 2.0 max | 1.0 max | 0.045 max | 0.030 max | 16.00 – 18.00 | 2.00 – 3.00 | 10.00 – 14.00 | 68.89 min |
| Density | Melting Point | Tensile Strength | Yield Strength (0.2%Offset) | Elongation |
| 8.0 g/cm3 | 1400 °C (2550 °F) | Psi – 75000 , MPa – 515 | Psi – 30000 , MPa – 205 | 35 % |
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A corrosion-resistant product, Stainless Steel 316L nuts are available in sizes from M6 to M64. They offer superior resistance to pitting and corrosion, making them ideal for use in marine, chemical, and high-temperature applications.
A corrosion-resistant product, Stainless Steel 316L coupling nuts, available in sizes from M6 to M36, are used to connect two male threads securely. Their low carbon content makes them ideal for welded structures in corrosive environments.
A corrosion-resistant product, Stainless Steel 316L nylon insert nuts, or lock nuts, come in sizes from M3 to M36. The nylon insert helps prevent loosening under vibration, making them perfect for high-stress and corrosive conditions.
A corrosion-resistant product, Stainless Steel 316L flange hex nuts feature an integrated flange and come in sizes from M5 to M20. They provide excellent load distribution and stability in marine and chemical environments.
A corrosion-resistant product, Stainless Steel 316L heavy hex nuts are available in sizes from M10 to M48. Their increased thickness and durability make them suitable for heavy-duty and high-temperature applications in harsh environments.
A corrosion-resistant product, Stainless Steel 316L square nuts offer a larger contact surface and come in sizes from M6 to M30. They are ideal for applications requiring reliable performance and stability in aggressive environments.
Njabulo Stainless presents high quality material with rigorous test procedures. Each product including the Stainless Steel 316L Nuts goes through rigorous checks in the form of hardness tests, chemical analysis via spectro analysis, PMI tests, tensile tests, micro and macro structural tests, pitting resistance and IGC testing. Our tests ensure excellent material performance. In addition to quality, we provide all documents necessary, including commercial invoices, packaging lists with net and gross weights, box numbers, labels, and a Certificate of Origin legalized or attested by the Chamber of Commerce or Embassy. Furthermore, our Third-Party Inspection Certificate guarantees complete customer satisfaction in terms of price and delivery of our Stainless Steel 316L Nuts.
Stainless Steel 316L Nuts are extensively utilized in industries that demand reliable, corrosion-resistant fastening solutions. They are particularly suited for chemical and petrochemical plants, marine environments, pharmaceuticals, food and beverage processing, and water treatment facilities. These nuts are often paired with bolts and stud bolts in pipelines, pressure vessels, heat exchangers, and industrial machinery. Their low carbon content guarantees excellent weldability and structural integrity, even in high-stress and corrosive conditions. Njabulo Stainless provides 316L Nuts that ensure secure fastening, long-term durability, and dependable performance across various applications.
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