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Pengkumta Fasteners, a top-notch manufacturer and supplier based in Bangkok, Thailand, specializes in crafting high-quality Stainless Steel 310/310S Washers that are perfect for extreme high-temperature and corrosive industrial settings. These washers are celebrated for their outstanding oxidation resistance, strength, and durability, ensuring they perform reliably in furnaces, kilns, heat treatment systems, and other critical equipment. With a focus on advanced manufacturing techniques and strict quality control, Pengkumta Fasteners provides precise, long-lasting, and trustworthy fastening solutions. Their dedication to customer satisfaction, timely delivery, and compliance with international standards has helped them build a solid reputation as a reliable supplier of Stainless Steel 310/310S Washers for both local and global markets.
The composition of Stainless Steel 310/310S Washers includes iron, 24–26% chromium, and 19–22% nickel, with 310S featuring lower carbon content for better weldability. These washers boast a tensile strength of about 515–620 MPa and a yield strength of around 205 MPa. They are known for their excellent toughness, high-temperature oxidation resistance, and mechanical stability, even in extreme heat and corrosive environments. Their unique composition guarantees durability, creep resistance, and dependable performance in high-temperature and chemically aggressive industrial applications.
| 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 find their place in various industries that demand heat and corrosion-resistant fastening solutions. They are commonly used in furnaces, kilns, boilers, and heat exchangers that operate at elevated temperatures. Chemical and petrochemical plants utilize them for pipelines, reactors, and processing equipment that come into contact with harsh chemicals. The power generation sector employs these washers in turbines, superheaters, and other high-heat systems. Moreover, industries like aerospace, automotive, and construction depend on their strength, durability, and long-lasting performance, making them vital for critical fastening applications in challenging industrial environments.
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.
Pengkumta Fasteners is a leading manufacturer and supplier of high-quality fasteners in Bangkok, Thailand, with over 8 years of experience serving global industries.
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