Njabulo Stainless, located in Cape Town, South Africa, stands out as a top-notch manufacturer and supplier of high-quality Stainless Steel 317L Fasteners. Known for their precision engineering and impressive durability, these fasteners are designed to meet strict industrial standards. Njabulo Stainless merges cutting-edge manufacturing techniques with thorough quality control to provide products that shine in both performance and reliability. Catering to a diverse array of sectors, including chemical, marine, and construction industries, the company guarantees that each fastener offers outstanding resistance to corrosion, high temperatures, and tough environmental conditions, making them a go-to choice for critical applications.
Stainless Steel 317L Fasteners are primarily made of iron, featuring 18–20% chromium, 12–15% nickel, and 3–4% molybdenum. This austenitic alloy boasts low carbon content, which enhances weldability and minimizes carbide precipitation. On the mechanical side, these fasteners showcase excellent tensile and yield strength, along with remarkable toughness and ductility. They maintain their structural integrity even in high temperatures and corrosive environments, including exposure to acids and chlorides. The blend of chemical composition and mechanical properties guarantees long-lasting performance, low maintenance, and reliability in demanding industrial settings.
| Grade | Stainless Steel 317L |
| Specifications | ASTM A193 / ASME SA193, DIN, ASTM, BS and all International Standards |
| Length | 3mm to 200mm |
| Size | M 02 to M 160, Custom Sizes |
| Form | Nuts, Bolts, Washers, Screw |
| Types | Bolts, Nuts, Washers, Anchor Fasteners, Stud Bolts, Eye Bolt, Stud Bolts, Threaded Rod, Cotter Pin, Socket Screw, Fine Fasteners & Spares, Foundation Fasteners etc |
| Grade | C | Mn | Si | P | S | Cr | Ni | Mo | N |
| SS 317L | 0.03 max. | 2.00 max. | 0.75 max. | 0.045 max. | 0.03 max. | 18.0 – 20.0 | 11.0 – 15.0 | 3.0 – 4.0 | 0.1 |
| Element | Density | Melting Point | Tensile Strength | Yield Strength (0.2%Offset) | Elongation |
| SS 317L | 7.92 g/cm3 | 1450 °C | Psi – 75000 , MPa – 515 | Psi – 30000 , MPa – 205 | 40 % |
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SS 317L Nuts provide secure fastening with excellent corrosion resistance. They come in various sizes, typically from M6 to M64, and are available in different types, such as hex, lock, and wing nuts.
Designed for high-stress applications, these SS 317L Bolts offer excellent corrosion resistance. Standard sizes range from M6 to M120, lengths up to 5 meters. They are often used in flange connections and pipeline systems.
These SS 317L Bolts, known for their durability and resistance to corrosion, are available in sizes from M6 to M64, with lengths up to 500 mm. Types include hex head bolts, carriage bolts, and eye bolts.
Offering high strength and corrosion resistance, these rods are available in sizes from M6 to M100, with lengths up to 3 meters. They are commonly used in construction and assembly applications.
Known for their corrosion resistance, these screws are available in various types, including machine screws, self-tapping screws, and wood screws. Sizes range from M1.6 to M20, with lengths up to 200 mm.
These washers, providing excellent corrosion resistance, are available in sizes from M3 to M64, with thicknesses ranging from 0.5 mm to 5 mm. Types include flat, spring, and lock washers, ensuring secure fastening.
We ensure full documentation to provide a hassle-free customer experience. Our package includes the following essential documents: commercial invoice, packaging list, fumigation certificate, heat treatment chart, quality assurance plan, and NABL-approved lab test report. These documents authenticate the genuineness and quality of our fasteners. In addition for our Stainless Steel 317L Fasteners we offer a variety of test certificates, such as MTC as per EN 10204/3.1b, PMI Test Certificate, 100% radiography test report, and Third Party Inspection Certificate. These certificates reflect our commitment to client satisfaction and product excellence.
Stainless Steel 317L Fasteners find their place in various applications, from chemical processing plants to marine environments, petrochemical industries, and construction projects. Their exceptional resistance to pitting, crevice corrosion, and oxidation makes them perfect for outdoor and coastal installations. These fasteners are also well-suited for high-temperature applications, such as heat exchangers, boilers, and flanges, where durability and strength are essential. Additionally, 317L fasteners are utilized in food processing and pharmaceutical equipment due to their corrosion resistance and hygienic qualities. All in all, they provide secure, long-lasting connections in environments where standard fasteners simply won’t cut it.
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