Weston Stainless, based in Midland, UK, is a trusted supplier of premium stainless steel fasteners and fittings, serving industries such as construction, engineering, and petrochemicals. Among its high-quality products, Stainless Steel 317L Nuts are known for their superior corrosion resistance and strength. Manufactured from grade 317L stainless steel, a low-carbon, molybdenum-bearing alloy, these nuts offer excellent resistance to chemical and chloride-rich environments. Available in various shapes, including hex, square, and dome nuts, they are ideal for marine, chemical processing, and power plant applications, ensuring durability and long-term performance in harsh conditions.
Stainless Steel 317L Nuts are composed of 18-20% chromium, 11-15% nickel, 3-4% molybdenum, and low carbon content, providing enhanced resistance to corrosion and pitting in aggressive environments. Their mechanical properties include a tensile strength of 620 MPa, yield strength of 275 MPa, and an elongation of 35%, ensuring durability under high stress. The physical properties feature a density of 7.9 g/cm³, a melting point of 1370-1400°C, and excellent thermal conductivity, making them ideal for marine, chemical, and industrial applications where strength, reliability, and corrosion resistance are critical.
| Material | Specification | Standards | Size | Length |
| Stainless Steel 317L Nuts | IS BS ASTM | ASTM / ASME – A/ SA 193 | 3 mm to 200 mm | M02 to M33 |
| 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 |
| Grade | Tensile Strength (MPa) min | Yield Strength 0.2% Proof (MPa) min | Elongation (% in 50mm) min | Hardness | ||
| Rockwell B (HR B) max | Brinell (HB) max | |||||
| 317L | 595 MPa | 260 MPa | 55% | 85 | 200 | – |
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A corrosion-resistant product, Stainless Steel 317L nuts are available in sizes ranging from M6 to M64. These nuts are widely used in various industries for their durability and resistance to chemical exposure, making them suitable for harsh environments.
A corrosion-resistant product, Stainless Steel 317L coupling nuts are designed to join two male threads together. Available in sizes from M6 to M36, they offer excellent strength and reliability in applications requiring extended thread length connections.
A corrosion-resistant product, Stainless Steel 317L nylon insert nuts, also known as lock nuts, come in sizes from M3 to M36. They feature a nylon collar insert that prevents loosening due to vibration, ideal for secure, long-lasting fastening.
A corrosion-resistant product, Stainless Steel 317L flange hex nuts have an integrated washer-like flange. Available in sizes from M5 to M20, they provide a larger bearing surface, which distributes the load over a greater area, reducing the risk of damage.
A corrosion-resistant product, Stainless Steel 317L heavy hex nuts are characterized by their thicker and larger size, providing increased strength. Sizes range from M10 to M48, making them suitable for heavy-duty applications requiring robust and secure fastening.
A corrosion-resistant product, Stainless Steel 317L square nuts offer a larger surface area in contact with the part being fastened, reducing the risk of deformation. Available in sizes from M6 to M30, they are ideal for use in tight spaces and for heavy clamping applications.
Stainless Steel 317L Nuts are widely used in industries that demand high corrosion resistance and durability. They are essential in chemical and petrochemical plants, where they withstand acidic and chloride-rich environments. In the marine industry, they offer excellent resistance to saltwater corrosion, ensuring long-term reliability. These nuts are also used in power plants, food processing, pharmaceuticals, and oil & gas industries, where exposure to high temperatures and harsh chemicals is common. Additionally, they are ideal for heat exchangers, condensers, and heavy-duty piping systems, providing strong and secure fastening solutions in demanding applications.
Stainless Steel 317L Nuts come with test certificates such as Mill Test Certificate (MTC) as per EN 10204 3.1/3.2, Third-Party Inspection Reports, and Material Traceability Records, ensuring compliance with global quality standards. They are securely packaged in wooden crates, corrugated boxes, or plastic-wrapped bundles to prevent damage during transportation. Custom packaging is available based on client requirements. With an efficient logistics network, Weston Stainless ensures safe and timely delivery for both domestic and international shipments, meeting the needs of industries that require high-performance, corrosion-resistant fastening solutions.
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