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Yasin Fasteners is a leading supplier, manufacturer and exporter of stainless steel 309/309S fasteners, known for their corrosion resistance and superior durability. Our range is available in many grades and configurations and is known for its excellent tensile strength and durability, serving life. These fasteners are designed to meet the demanding requirements of various industries, providing reliability and exceptional performance at high temperatures.
Yasin Fasteners, based in Istanbul, Turkey, stands out as a top manufacturer and supplier of Stainless Steel 309/309S Fasteners. They specialize in delivering high-quality solutions for industries that face high temperatures and corrosive conditions. Renowned for their precision and durability, these fasteners meet international standards and are designed to perform reliably in tough applications. Stainless Steel 309/309S Fasteners are perfect for sectors like petrochemical, power generation, marine, and construction, providing long-lasting strength, stability, and resistance to oxidation in high-heat environments.
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.
These fasteners are mainly made up of iron, chromium, and nickel, with chromium levels around 23–25% and nickel content between 12–15%. The 309S grade features a lower carbon content compared to 309, which helps reduce carbide precipitation and enhances resistance to intergranular corrosion at high temperatures. Mechanically, they offer impressive tensile and yield strength, good creep resistance, and maintain their hardness and toughness even under thermal stress. Their unique chemical makeup and mechanical properties make them ideal for critical high-temperature industrial applications.
Stainless Steel 309/309S Fasteners are extensively utilized in industries that demand corrosion resistance and high-temperature performance. In petrochemical and chemical plants, you’ll find them in furnaces, heat exchangers, and reactors. Power generation facilities rely on them for boilers, turbines, and exhaust systems where scaling resistance is vital. The marine and offshore sectors benefit from their ability to resist corrosion in seawater, while the construction and cement industries use them to ensure structural stability in harsh conditions. Their capacity to maintain strength, reliability, and chemical resistance in extreme environments makes them indispensable for critical industrial applications.
Yasin Fasteners is a leading manufacturer and supplier of high-quality fasteners in Istanbul, Turkey, with over 8 years of experience serving global industries.
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