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Amin Fasteners has earned a solid reputation as a reliable manufacturer and supplier of top-notch Stainless Steel 309/309S Washers in Safat, Kuwait. They specialize in providing exceptional fastening solutions tailored for tough industrial applications. Renowned for their precision engineering and dependable products, Amin Fasteners offers washers that excel in resisting high temperatures, oxidation, and corrosion. Designed for long-lasting performance even in the harshest environments, these washers are perfect for industries like petrochemical, furnace, and heat treatment. With a strong focus on quality, durability, and customer satisfaction, Amin Fasteners remains a go-to source for premium fastening components in Kuwait and beyond.
Stainless Steel 309/309S Washers are made up of a high content of chromium (22–24%) and nickel (12–15%), which gives them remarkable heat and corrosion resistance. The 309S version features a lower carbon content, improving weldability and reducing carbide precipitation. These washers boast impressive mechanical strength, with high tensile and yield values, along with excellent oxidation resistance at elevated temperatures. Their sturdy design ensures they can withstand thermal fatigue and creep, making them perfect for continuous heat exposure. In summary, 309/309S washers offer a reliable mix of strength, durability, and thermal stability.
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.
Stainless Steel 309/309S Washers are extensively used in industries that demand reliable performance in extreme heat and corrosive conditions. You’ll often find them in furnace equipment, heat exchangers, kilns, boilers, refinery units, and petrochemical processing systems. Their exceptional oxidation and thermal resistance make them ideal for high-temperature assemblies and applications involving thermal cycling. Additionally, these washers are utilized in chemical plants, power generation facilities, exhaust systems, and more, proving their versatility and reliability across various demanding environments.
At Amin Fasteners, our commitment to quality is evident in the rigorous testing of all Stainless Steel 309/309S washers before shipment. We conduct advanced testing, including hardness, chemical analysis by Spectro analysis, good material identification (PMI), levelling, micro-macro, pitting resistance and intergranular corrosion (IGC) testing. In addition, we offer third-party inspection certificates to confirm that our washers meet the highest standards of quality and reliability, ensuring exceptional performance in harsh environments.
Amin Fasteners is a leading manufacturer and supplier of high-quality fasteners in Safat, Kuwait, with over 8 years of experience serving global industries.
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