Lecong Stainless is a reputable manufacturer and supplier based in Da Nang, Vietnam, specializing in high-quality Stainless Steel 317L Fasteners that are designed to withstand tough conditions with exceptional corrosion resistance and durability. Thanks to their low carbon content, these fasteners boast excellent weldability and resist sensitization, making them perfect for a variety of applications in chemical, marine, and industrial settings. Lecong Stainless is committed to upholding international quality standards, ensuring precision in manufacturing, and delivering products that stand the test of time. The Stainless Steel 317L Fasteners provide reliable mechanical strength and stability, making them a go-to choice for critical operations both in Vietnam and around the world, especially where corrosion resistance and high-temperature performance are crucial.
These fasteners are made up of 18–20% chromium, 11–15% nickel, and 3–4% molybdenum, with carefully controlled levels of carbon, manganese, and silicon to boost toughness and durability. The low carbon content helps prevent carbide precipitation, which in turn enhances their resistance to intergranular corrosion. With a tensile strength of about 515 MPa, a yield strength of 205 MPa, and an elongation of 35–40%, they combine mechanical strength, creep resistance, and outstanding corrosion performance, making them reliable for use in challenging environments and high-stress industrial applications.
| 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 industries, including chemical processing, petrochemical, marine, pharmaceutical, and food processing. They are particularly well-suited for securing equipment that comes into contact with acids, chlorides, and other harsh chemicals. Common applications include heat exchangers, pressure vessels, piping systems, desalination plants, and components in refineries. In offshore and marine settings, they provide long-lasting protection against pitting and crevice corrosion. With their remarkable durability, corrosion resistance, and ability to withstand high temperatures, Stainless Steel 317L Fasteners are a reliable choice for critical fastening needs in demanding industrial and engineering environments.
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