Weston Stainless, based in Midland, UK, is a leading supplier of high-quality stainless steel products, catering to various industries with precision-engineered solutions. The company is known for providing durable, corrosion-resistant materials that meet global standards. Stainless Steel 310 Nuts, made from Grade 310 stainless steel, are designed for high-temperature applications and extreme environments. Available in various shapes such as hex nuts, lock nuts, and flange nuts, they offer excellent strength, oxidation resistance, and durability. With high chromium and nickel content, these nuts are widely used in power plants, chemical processing, refineries, and heat-intensive industrial applications.
Stainless Steel 310 Nuts have a chemical composition of 24-26% Chromium, 19-22% Nickel, 0.25% Carbon, 2% Manganese, 1.50% Silicon, 0.045% Phosphorus, and 0.03% Sulfur, ensuring excellent oxidation and corrosion resistance. Their mechanical properties include a tensile strength of 515 MPa, yield strength of 205 MPa, and elongation of 40%, providing high durability in extreme conditions. With a density of 7.9 g/cm³, a melting point of 1400-1450°C, and a thermal conductivity of 14.2 W/m·K, these nuts perform efficiently in high-temperature environments, making them ideal for industrial, chemical, and power plant applications.
| Specifications | ASTM F593, F594, F1554 / ASME SF593, F594, F1554 |
|---|---|
| Fasteners size | Bolt / Screw Size : M3 – M56 | 3/6″ to 2″ | Custom Sizes Nuts Size : M3 – M56 | 3/6″ to 2″ | Custom Sizes Washers Size : M3 – M56 | 3/6″ to 2″ | Custom Sizes Machine Screws Size : M1.6 – M12 Self Tapping Screw Size : No.2 – No. 14 |
| Fasteners Length | 3 mm to 200 mm |
| Fastener Threads | UNF, BSW, BSF, METRIC, UNC or as required |
| Standard of Stainless Steel Fasteners | DIN : DIN 934, DIN 931, DIN 970, DIN 933 UTS : UNEF, NPT, UNC, UNS, UNF, NPTF ISO : JIS standards, ISO 4033, ISO 4032, ANSI – American National Standards Institute ASME B18.5 ANSI B 28.2.4 1M as per defined in ASME B16.5 standard SS Stud Bolt length ANSI B 18.2.4 2M as per defined in ASME B18.2.2 SS Hex nuts |
| Dimensions | DIN 931, 933, 934, 7991, 976, 125, ASME B18.2.1, B18.3 |
| Surface Coating | Ptfe Coated Stainless Steel Fasteners Phosphate Coating Teflon Coating Zinc Coating Hot Dipped Galvanizing Coating Cadmium Coating Xylon Coating |
| Fasteners Finishing | Stainless steel : Self-Colour, Passivated, Bright Zinc Plated (BZP), Hot Dip Galvanised (HDG), Stainless Steel, Sherardized, some special one like DACROMET Geometry and Mechanically Applied coating ,Dacroment, nickel plated, anodizing, plated zinc-nickel Zinc (blue, black, yellow, white), black oxide. |
Grade | C | Mn | Si | P | S | Cr | Mo | Ni | N |
SS 310 | 0.015 max | 2.0 max | 0.15 max | 0.020 max | 0.015 max | 24.00 – 26.00 | 0.10 max | 19.00 – 21.00 | 54.7 min |
| Element | SS 310 |
| Tensile Strength (MPa) min | 515 |
| Yield Strength 0.2% Proof (MPa) min | 205 |
| Elongation (% in 50mm) min | 40 |
| Rockwell B (HR B) max Hardness | 95 |
| Brinell (HB) max Hardness | 217 |
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A corrosion-resistant product, Stainless Steel 310 nuts are available in sizes from M6 to M64. They are designed for high-temperature applications, providing excellent resistance to oxidation and durability in extreme heat environments.
A corrosion-resistant product, Stainless Steel 310 coupling nuts, available in sizes from M6 to M36, connect two male threads securely. Their high-temperature resistance makes them ideal for use in furnace and heat exchanger applications.
A corrosion-resistant product, Stainless Steel 310 nylon insert nuts, or lock nuts, come in sizes from M3 to M36. The nylon insert prevents loosening under vibration, and the stainless steel provides heat and oxidation resistance for high-temperature environments.
A corrosion-resistant product, Stainless Steel 310 flange hex nuts feature an integrated flange and are available in sizes from M5 to M20. They offer superior load distribution and stability in high-temperature applications, such as in industrial furnaces.
A corrosion-resistant product, Stainless Steel 310 heavy hex nuts are available in sizes from M10 to M48. Their increased thickness provides superior strength and durability, ideal for heavy-duty applications in extreme heat conditions.
A corrosion-resistant product, Stainless Steel 310 square nuts come in sizes from M6 to M30. Their larger contact surface ensures secure fastening, making them suitable for high-temperature applications in industrial and aerospace settings.
Stainless Steel 310 Nuts are widely used in high-temperature and corrosive environments, making them essential in industries like power generation, chemical processing, and refineries. They secure components in heat exchangers, boilers, and furnaces, ensuring stability under extreme conditions. These nuts are also used in marine, aerospace, and offshore industries due to their oxidation resistance and durability. In construction, they provide strong fastening solutions for structural applications exposed to harsh weather. Additionally, they are utilized in exhaust systems, high-pressure piping, and industrial machinery where high strength and thermal stability are required.
Stainless Steel 310 Nuts are supplied with essential test certificates, including Mill Test Certificates (MTC), third-party inspection reports, and material traceability documents, ensuring compliance with ASTM, ASME, and other international standards. They are securely packed in wooden crates, plastic wraps, or carton boxes to prevent damage during transit. With efficient logistics and reliable shipping, these nuts are delivered safely to domestic and international clients, ensuring top-quality performance upon arrival.
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