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Hazlewood Fasteners, a trusted manufacturer and supplier based in Canberra, Australia, specializes in producing high-performance fastening solutions for demanding industrial environments. Among its extensive product range, the Stainless Steel 310/310S Washers are designed to deliver exceptional strength, oxidation resistance, and durability at elevated temperatures. Manufactured with precision and adherence to international standards, these washers perform reliably in heat-intensive and corrosive settings. Hazlewood Fasteners ensures consistent quality, dimensional accuracy, and long-lasting performance, making these washers ideal for applications in furnace equipment, petrochemical plants, power generation, and other industries requiring superior thermal and mechanical stability.
Stainless Steel 310/310S Washers are composed of chromium (24–26%) and nickel (19–22%), with the 310S grade containing lower carbon content to enhance weldability and minimize carbide precipitation. This alloy provides remarkable resistance to oxidation and scaling up to 1100°C. These washers exhibit excellent tensile strength (≥515 MPa), yield strength (≥205 MPa), and elongation (around 40%). Their robust chemical composition and stable mechanical properties make them suitable for high-temperature and corrosive environments, ensuring long-term structural integrity and reliable performance under thermal stress and oxidation exposure.
| Grade | Stainless Steel 310, 310S |
| Specifications | ASTM A193 / ASME SA193, DIN, ASTM, BS and all International Standards |
| Length | 3mm to 200mm |
| Size | M 02 to M 160, Custom Sizes |
| Types | Star Washer, Flat Washer, Lock Washer, Slot Washer, Machine Washer, Sealing Washer, Split Washer, Dome Tooth Washer, Countersunk Washer, Tab Washers, Spherical Washer, Square Washer, Spring Washer, Round Washers, Square Washers etc |
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 |
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 |
| Grade | Density | Melting Point | Tensile Strength | Yield Strength (0.2%Offset) | Elongation |
| 310/310S | 7.9 g/cm3 | 1402 °C (2555 °F) | Psi – 75000 , MPa – 515 | Psi – 30000 , MPa – 205 | 40 % |
To satisfy our clients needs by providing high quality products at competitive price as per the schedule and to maintain long term relationship with our clients.
Stainless Steel 310/310S Washers are composed of chromium (24–26%) and nickel (19–22%), with the 310S grade containing lower carbon content to enhance weldability and minimize carbide precipitation. This alloy provides remarkable resistance to oxidation and scaling up to 1100°C. These washers exhibit excellent tensile strength (≥515 MPa), yield strength (≥205 MPa), and elongation (around 40%). Their robust chemical composition and stable mechanical properties make them suitable for high-temperature and corrosive environments, ensuring long-term structural integrity and reliable performance under thermal stress and oxidation exposure.
We ensure complete documentation for our stainless steel 310/310S washers, including marketing documentation, packaging information, fumigation certificates, heat treatment protocols, warranty plans good, and NABL approved laboratory test report. Our extensive test certificates for stainless steel 310/310S washers include MTC according to EN 10204/3.1b, PMI test certificate, 100% radiography test report and third party inspection certificate. This careful effort is made to provide 100% customer satisfaction and to ensure the quality and compliance of our stainless steel 310/310S washer.
Hazlewood Fasteners is a leading manufacturer and supplier of high-quality fasteners in Canberra, Australia, with over 8 years of experience serving global industries.
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