Njabulo Stainless is a reliable manufacturer and supplier of Stainless Steel 316H Nuts based in Cape Town, South Africa. They specialize in high-quality fasteners designed for strength, durability, and outstanding corrosion resistance. Crafted from high-carbon austenitic stainless steel, these nuts boast enhanced creep strength and maintain their mechanical integrity even at elevated temperatures. Perfect for demanding applications in the chemical, petrochemical, and power generation sectors, Stainless Steel 316H Nuts excel in high-temperature performance and resist scaling and oxidation. Njabulo Stainless is committed to precise manufacturing and rigorous quality control, ensuring their nuts meet international standards for reliability and long-lasting performance.
Stainless Steel 316H Nuts are made up of chromium (16–18%), nickel (10–14%), molybdenum (2–3%), and a higher carbon content (0.04–0.10%) to boost high-temperature strength. They have a tensile strength of around 515 MPa, a yield strength of 205 MPa, and an elongation of 35%, which guarantees toughness and durability. With a density of 8.0 g/cm³ and a melting range of 1370–1400°C, SS 316H Nuts offer excellent mechanical stability, oxidation resistance, and long-term performance in corrosive and high-temperature industrial settings.
| 316H | Min | 0.04 | 0.04 | 0 | – | – | 16.0 | 2.00 | 10.0 | – | |
| max | 0.10 | 0.10 | 0.75 | 0.045 | 0.03 | 18.0 | 3.00 | 14.0 | – | – | – |
| Grade | Tensile Str (MPa) min | Yield Str 0.2% Proof (MPa) min | Elong (% in 50mm) min | Hardness | |
| Rockwell B (HR B) max | Brinell (HB) max | ||||
| 316H | 515 | 205 | 40 | 95 | 217 |
| Material | Specification | Standards | Size | Length |
| Stainless Steel 316H Nuts | IS BS ASTM | ASTM / ASME – A/ SA 193 / 193 | 3 mm to 200 mm | M02 to M33 |
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Corrosion-resistant product ideal for harsh environments. Stainless Steel 316H Nuts are available in sizes from M6 to M36, designed for high-temperature and marine applications, offering durability and reliable performance.
Stainless Steel 316H Coupling Nuts are perfect for joining threaded rods in extreme conditions. Sizes range from M6 to M36, suitable for use in chemical processing, marine environments, and high-temperature applications.
Featuring a nylon insert for secure connections, Stainless Steel 316H Nylon Insert Nuts prevent loosening under high temperatures. Available in sizes from M6 to M24, they are ideal for machinery and industrial applications.
Stainless Steel 316H Flange Hex Nuts provide enhanced load distribution with integrated flanges. Available in sizes from M6 to M24, they are used in heavy-duty equipment and construction projects, offering stability and strength.
Designed for high-stress environments, Stainless Steel 316H Heavy Hex Nuts offer superior strength and durability. Sizes range from M6 to M36, making them suitable for boilers, heat exchangers, and other demanding applications.
Stainless Steel 316H Square Nuts feature a large surface area for effective torque application. Available in sizes from M6 to M24, they are ideal for secure fastening in tight spaces and various industrial settings.
We ensure that our Stainless Steel 316H Nuts have high-quality assurance with full transparency. All the orders are equipped with the required documents, including a commercial invoice, packing list, fumigation certificate, heat treatment chart, and NABL-approved lab test report. We provide the Material Test Certificate as per EN 10204/3.1b, PMI Test Certificate, 100% radiography test report, and Third-Party Inspection Certificate. Our complete documentation is organized to provide the maximum satisfaction of our clients.
Stainless Steel 316H Nuts find extensive use in industries that demand high-temperature strength and corrosion-resistant fastening solutions. They are perfect for chemical processing plants, petrochemical facilities, power generation equipment, boilers, heat exchangers, and pressure vessels. These nuts perform reliably in marine and industrial environments that face high stress, temperature, and corrosive media. Their enhanced carbon content ensures mechanical stability and durability under extreme conditions. Njabulo Stainless provides 316H Nuts that promise secure fastening, structural integrity, and long-lasting performance.
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