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Mazin Fasteners is a leading stainless steel 309/309S stud bolts exporter, meeting domestic and international standards. Our stud bolts are available in various sizes, grades and finishes, designed to suit different industries’ requirements. We offer these high-quality fasteners at competitive prices, ensuring exceptional application performance and reliability.
Mazin Fasteners, located in Muscat, Oman, stands out as a top manufacturer and supplier of high-quality industrial fasteners. They cater to various sectors, including oil and gas, petrochemical, marine, and construction. The company has built a solid reputation for its precision-engineered products that adhere to international quality standards. Among their impressive lineup are the Stainless Steel 309/309S Stud Bolts, which are highly regarded for their outstanding resistance to high temperatures, corrosion, and mechanical stress. Mazin Fasteners guarantees that these stud bolts provide dependable and long-lasting performance, making them perfect for secure fastening in critical industrial applications, even in the toughest environments.
Element | Content (%) |
Iron, Fe | 60 |
Chromium, Cr | 24 |
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 Stainless Steel 309/309S Stud Bolts are crafted with high levels of chromium and nickel, which give them remarkable resistance to oxidation and scaling at elevated temperatures. The 309S variant features a lower carbon content, reducing carbide precipitation during welding and boosting corrosion resistance in welded assemblies. With superior mechanical properties, including high tensile and yield strength, toughness, and stability under thermal stress, these stud bolts are ideal for high-temperature and chemically aggressive industrial settings.
You’ll find these stud bolts commonly used in boilers, furnaces, heat exchangers, chemical processing equipment, and high-temperature flanged connections. They excel at securing flanges, pumps, valves, and other essential assemblies that face oxidizing or corrosive conditions at high temperatures. The Stainless Steel 309/309S Stud Bolts ensure reliable load distribution, a long service life, and minimal maintenance, making them indispensable for industrial, marine, and high-temperature applications where both strength and corrosion resistance are crucial.
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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