Aditya Stainless is a reputable manufacturer and supplier of Stainless Steel 317L Fasteners, located in Kolkata, India. These fasteners are made from low-carbon, molybdenum-rich austenitic stainless steel, which offers exceptional resistance to corrosion, particularly in acidic and chloride-heavy environments. SS 317L fasteners are known for their enhanced strength, durability, and weldability, making them perfect for critical fastening tasks in industries like chemical processing, pulp and paper, and marine applications. Available in various forms such as bolts, nuts, washers, studs, and screws, they meet international standards like ASTM A193, A194, and A276. We provide high-performance fasteners designed to endure extreme industrial conditions.
Stainless Steel 317L Fasteners are mainly made up of chromium (18–20%), nickel (11–15%), and molybdenum (3–4%), with a low carbon content (≤0.03%) to avoid sensitization during welding. These fasteners boast a tensile strength of around 515 MPa, a yield strength of 205 MPa, and an elongation of about 35%. The added molybdenum enhances resistance to pitting and crevice corrosion, especially in chloride environments. SS 317L fasteners are highly resistant to intergranular corrosion and can be utilized in both welded and unwelded states without compromising their structural integrity.
| 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 extensive use in industries that demand exceptional corrosion resistance and mechanical reliability. These include chemical and petrochemical plants, pulp and paper processing, marine settings, desalination units, and pharmaceutical production facilities. Their ability to withstand chloride-induced corrosion, acidic media, and oxidizing agents makes them ideal for heat exchangers, evaporators, pressure vessels, and storage tanks. SS 317L fasteners are also used in food processing equipment and seawater applications, where hygiene and durability are crucial.
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