Chanchai Stainless is a well-known Bangkok, Thailand-based manufacturer and supplier of high-quality stainless steel products, such as Stainless Steel 317L Fasteners. With unwavering dedication to precision, strength, and global quality standards, Chanchai Stainless provides fasteners that are engineered to function reliably in corrosive and high-stress applications. Chanchai Stainless supplies fastening solutions to meet exacting performance needs across industries. Reputed for fast service, reasonable prices, and rigorous quality checking, Chanchai Stainless is a reliable supplier of stainless steel fasteners to both domestic and international markets.
Stainless Steel 317L Fasteners are produced from a low-carbon, molybdenum-containing austenitic stainless steel alloy with 18–20% chromium, 11–15% nickel, and 3–4% molybdenum. Low carbon promotes resistance to intergranular corrosion, particularly following welding, while the molybdenum increases resistance to pitting and crevice corrosion. These fasteners have superior mechanical properties such as tensile strength of approximately 515 MPa and a yield strength of 205 MPa. They retain strength and corrosion resistance in acidic and chloride 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.
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 are suitable for applications involving highly corrosive conditions where chemical resistance and toughness are a necessity. Typical uses are chemical and petrochemical process equipment, pulp and paper mills, food and beverage processing facilities, and seawater environments. They find special utility in fastening parts subject to sulfuric, acetic, and other severe acid exposure. Fasteners in heat exchangers, tanks, and piping systems also utilize the components. They endure long periods of service under harsh industrial conditions because of their resistance to localized corrosion, combined with weldability and mechanical strength.
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