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Mazin Fasteners is a leading supplier, manufacturer and exporter of stainless steel 309/309S washers known for exceptional corrosion resistance and durability. Our washers are available in various sizes and configurations for their excellent tensile strength and long service life. These books are designed to meet the exacting requirements of many industries, providing reliable performance in ambient and harsh environments.
Mazin Fasteners is a reliable manufacturer and supplier located in Muscat, Oman, known for providing top-notch industrial fastening solutions to both regional and international markets. The company focuses on precision-engineered products, such as the Stainless Steel 309/309S WasherName, which are crafted to meet rigorous industrial standards. With a strong commitment to quality, consistency, and timely delivery, Mazin Fasteners caters to sectors like oil and gas, petrochemical, power, and construction. Their advanced manufacturing techniques, strict quality control, and technical know-how ensure that their washers deliver reliability, durability, and outstanding performance in high-temperature and corrosive environments across various projects worldwide, all while offering dependable service and competitive pricing.
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 |
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 |
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.
The Stainless Steel 309/309S WasherName is made from high chromium and high nickel austenitic stainless steel, which gives it excellent oxidation and corrosion resistance. Its typical composition features around twenty-three percent chromium and twelve percent nickel, with low carbon content in 309S to minimize carbide precipitation. Mechanically, these washers boast good tensile strength, impressive creep resistance, and stable performance even at elevated temperatures. They maintain toughness, resist scaling, and keep their structural integrity during continuous use in high heat and chemically aggressive environments, making them perfect for demanding industrial conditions and thermal cycling applications.
You’ll find the Stainless Steel 309/309S WasherName commonly used in situations that require resistance to high temperatures and corrosive atmospheres. They’re often found in furnaces, heat exchangers, boilers, kilns, petrochemical plants, and power generation equipment. These washers are particularly suited for flanged joints, bolted assemblies, and structural connections that experience thermal cycling. In industries like oil and gas, chemical processing, and heavy engineering, they provide secure fastening, proper load distribution, and a long service life, even under continuous heat.
Mazin Fasteners is a leading manufacturer and supplier of high-quality fasteners in Muscat, OMAN, with over 8 years of experience serving global industries.
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