Stainless Steel 309/309S Washers Manufacturer and Supplier in Dubai, UAE
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Majid Fasteners, based in Dubai, UAE, is a trusted manufacturer and supplier specializing in high-quality stainless steel fasteners, including Stainless Steel 309 and 309S washers. Renowned for precision engineering and durability, our washers are designed to meet rigorous industrial standards, ensuring optimal performance in diverse applications. With a focus on reliability and customer satisfaction, we cater to sectors ranging from construction and manufacturing to oil and gas. Committed to excellence, Majid Fasteners combines advanced technology with stringent quality control, providing clients in Dubai and beyond with superior stainless steel washers that deliver strength, corrosion resistance, and long-lasting performance.
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What is Stainless Steel 309/309S Washers?
Stainless Steel 309 and 309S washers primarily contain 23% chromium and 13% nickel, with 0.20% carbon in 309 and lower carbon (0.08%) in 309S, along with small amounts of manganese, silicon, and iron. These washers offer excellent high-temperature strength, corrosion resistance, and oxidation resistance. They have a tensile strength of approximately 515 MPa, yield strength around 205 MPa, and elongation of 40%. Ideal for use in high-temperature and corrosive environments, they ensure durability, reliability, and long-term performance in industrial applications.
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Chemical Compositions of Stainless Steel 309/309S Washers
Element | Content (%) |
Iron, Fe | 60 |
Chromium, Cr | 23 |
Nickel, Ni | 14 |
Manganese, Mn | 2 |
Silicon, Si | 1 |
Carbon, C | 0.20 |
Phosphorous, P | 0.045 |
Sulfur, S | 0.030 |
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Stainless Steel 309/309S Washers Mechanical Properties
Properties | Metric | Imperial |
Tensile strength | 620 MPa | 89900 psi |
Yield strength (@ strain 0.200%) | 310 MPa | 45000 psi |
Izod impact | 120 – 165 J | 88.5 – 122 ft-lb |
Shear modulus (typical for steel) | 77 GPa | 11200 ksi |
Elastic modulus | 200 GPa | 29008 ksi |
Poisson’s ratio | 0.27-0.30 | 0.27-0.30 |
Elongation at break (in 50 mm) | 45% | 45% |
Hardness, Brinell | 147 | 147 |
Hardness, Rockwell B | 85 | 85 |
Hardness, Vickers (converted from Rockwell B hardness) | 169 | 169 |
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Stainless Steel 309/309S Washers Types
Stainless Steel 309S Washer Manufacturer in UAE, Stainless Steel UNS S30900 Finishing Cup Washers Jebel Ali, Stainless Steel 309 Tab Washers in Abu Dhabi, Stainless Steel DIN 1.4828 Washer Dealer in Al Ain, Stainless Steel 309S Bonded Sealing Washers Distributor in Jebel Ali
Stainless Steel 309/309S Washers Uses
Stainless Steel 309 and 309S washers are widely used in industries requiring high strength, corrosion resistance, and heat tolerance. They are ideal for automotive, aerospace, petrochemical, and construction applications, where exposure to extreme temperatures or corrosive environments is common. These washers provide reliable spacing, load distribution, and fastening support in machinery, pipelines, pressure vessels, and structural assemblies. Their excellent resistance to oxidation and scaling makes them suitable for furnace, boiler, and exhaust systems. Additionally, they are used in marine equipment, chemical processing plants, and industrial manufacturing, ensuring durability and long-lasting performance across critical applications.
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