Weston Stainless, located in Midland, UK, is a trusted manufacturer and supplier of high-quality stainless steel fasteners, providing durable and corrosion-resistant solutions for industries such as petrochemical, power generation, and construction. Among its wide range of products, Stainless Steel 310S Nuts are known for their exceptional heat and oxidation resistance. Made from Grade 310S stainless steel, these nuts are available in various shapes, including hex, square, and dome. Composed of iron, 24-26% chromium, 19-22% nickel, and low carbon content, they offer superior strength and durability, making them ideal for high-temperature applications in furnaces, boilers, and heat exchangers.
Stainless Steel 310S Nuts are composed of iron, 24-26% chromium, 19-22% nickel, 2% manganese, 0.75% silicon, 0.08% carbon, 0.045% phosphorus, and 0.03% sulfur. They exhibit excellent mechanical properties, including a tensile strength of approximately 515 MPa, yield strength of 205 MPa, and an elongation of 40%. Their physical properties include a density of 7.9 g/cm³, a melting point of 1400-1450°C, and high thermal expansion. These properties make them suitable for high-temperature applications in furnaces, boilers, heat exchangers, and petrochemical industries requiring strength, durability, and oxidation resistance.
| 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 310S |
0.08 max |
2.0 max |
1.00 max |
0.045 max |
0.030 max |
24.00 – 26.00 |
0.75 max |
19.00 – 21.00 |
53.095 min |
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Corrosion-resistant product ideal for high-temperature environments. Stainless Steel 310S Nuts are available in sizes from M6 to M36, suitable for furnace parts, heat exchangers, and chemical processing equipment where durability and heat resistance are crucial.
Designed for joining threaded rods in extreme conditions. Sizes range from M6 to M36, making them ideal for high-heat and corrosive applications such as in chemical processing and power generation.
Featuring a nylon insert for secure fastening, Stainless Steel 310S Nylon Insert Nuts are available in sizes from M6 to M24. They provide stability and resist high temperatures, making them suitable for use in industrial machinery and heat exchangers.
Enhanced load distribution with integrated flanges. Available in sizes from M6 to M24, they are used in high-temperature applications such as furnace construction and chemical processing where strong support is needed.
Engineered for high-stress and high-temperature environments, Stainless Steel 310S Heavy Hex Nuts are available in sizes from M6 to M36. They are ideal for use in applications like heat exchangers and industrial machinery, offering exceptional strength and durability.
Provide a large surface area for effective torque application. Sizes range from M6 to M24, making them suitable for high-temperature applications where secure fastening and heat resistance are essential.
Stainless Steel 310S Nuts are widely used in high-temperature and corrosive environments due to their excellent oxidation and heat resistance. They are commonly found in furnace components, boilers, heat exchangers, kilns, and refractory linings, where stability under extreme conditions is essential. Industries such as petrochemical, aerospace, power generation, and marine rely on these nuts for securing equipment exposed to thermal cycling. Additionally, they are used in exhaust systems, incinerators, and combustion chambers. Their superior strength, durability, and resistance to scaling make them ideal for demanding industrial applications requiring long-term performance.
Stainless Steel 310S Nuts come with test certificates such as Mill Test Certificates (MTC), third-party inspection reports, and compliance documents per ASTM and EN standards, ensuring quality and reliability. They are securely packed in wooden boxes, cartons, or poly bags with proper labeling to prevent damage during transit. With efficient logistics and a strong supply chain, deliveries are prompt, catering to both domestic and international markets to meet customer demands efficiently.







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