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Yasin Fasteners is a leading manufacturer, supplier and exporter of stainless steel 309/309S bolts with domestic and international quality standards. Our bolts are available in various sizes, ranges and finishes to suit industry requirements. We offer these high-quality bolts competitively, ensuring reliability and performance for demanding applications.
Yasin Fasteners, based in Istanbul, Turkey, is a reputable manufacturer and supplier of Stainless Steel 309/309S Bolts, providing top-notch fastening solutions for industries that face high temperatures and corrosive environments. Renowned for their precision, durability, and adherence to international standards, these bolts are designed to deliver dependable performance even in the toughest conditions. Stainless Steel 309/309S Bolts are perfect for sectors like petrochemical, power generation, marine, and construction, ensuring they maintain their strength and stability in applications that involve thermal stress and oxidation.
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 bolts are mainly made up of iron, chromium, and nickel, with chromium levels ranging from 23% to 25% and nickel content between 12% and 15%. The 309S grade features a lower carbon content compared to the 309, which helps reduce carbide precipitation and boosts resistance to intergranular corrosion at high temperatures. Mechanically, these bolts showcase impressive tensile and yield strength, good creep resistance, and they retain their hardness and toughness even under intense heat. Their unique chemical makeup and mechanical properties make them ideal for critical high-temperature applications.
Stainless Steel 309/309S Bolts are extensively utilized in industries that demand high resistance to both heat and corrosion. 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 and thermal stability are crucial. The marine industry takes advantage of their corrosion resistance in seawater and offshore structures, while the construction and cement sectors use them to ensure structural integrity in harsh conditions. Their ability to perform reliably in extreme environments makes them essential for vital industrial and engineering 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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