Vinit Stainless provides corrosion-resistant SS 317L fasteners designed to perform in corrosive chemical environments. The Chennai-based company produces bolts, nuts, and threaded rods from low-carbon SS 317L with superior pitting, crevice corrosion, and acidic medium resistance. These fasteners are the first choice for applications in pharmaceutical factories, food processing, and maritime industries where contamination resistance and long durability are a must. Vinit guarantees quality with tight dimensional tolerances and tried performance throughout each batch.
SS 317L has 18–20% chromium, 11–15% nickel, 3–4% molybdenum, and ≤0.03% carbon. It provides tensile strength of 515–620 MPa, yield strength ~205 MPa, and elongation of 35%. Low carbon content helps in better resistance to sensitization during welding. Molybdenum improves pitting resistance in chloride-bearing environments, so this alloy is better than 316L in acidic environments.
| 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.
SS 317L fasteners find extensive application in marine fittings, pulp and paper mills, scrubbers for flue gas, and chemical tanks. Due to their high resistance to sulfuric acid and acetic acid, these fasteners are best suited for applications in food-grade and pharmaceutical equipment. Vinit Stainless supplies SS 317L fasteners relied upon for critical sealing and joining elements facing harsh environments in coastal and chemical-intensive areas near Chennai.
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