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Murad Fasteners stands out as a trusted manufacturer and supplier based in Doha, Qatar, specializing in top-notch Stainless Steel 309/309S Bolts. These bolts are designed to excel in high-temperature environments, offering impressive strength, corrosion resistance, and long-lasting durability. Crafted with cutting-edge technology and rigorous quality control, they guarantee precise threading, accurate dimensions, and reliable performance even in the toughest industrial settings. Murad Fasteners provides a diverse selection of Stainless Steel 309/309S Bolts in various sizes and specifications, all aligned with international standards and project needs. These bolts are widely utilized throughout Qatar and the Middle East, delivering secure, robust, and enduring fastening solutions for essential chemical, petrochemical, and industrial applications.
Made from a high-chromium, high-nickel austenitic stainless steel alloy, Stainless Steel 309/309S Bolts offer remarkable resistance to oxidation, scaling, and corrosion at elevated temperatures. This unique composition ensures excellent tensile and yield strength, toughness, and thermal stability. Their mechanical properties include a high load-bearing capacity, resistance to thermal stress, dimensional stability, and dependable performance under varying temperatures. These bolts are built to withstand aggressive and high-temperature conditions, maintaining durability and structural integrity while minimizing maintenance needs.
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 Bolts find their place in applications that demand resistance to extreme temperatures and corrosive environments. They are commonly used in boilers, heat exchangers, furnaces, chemical and petrochemical facilities, and industrial piping systems. Additionally, they play a crucial role in power generation equipment, offshore structures, and heavy industrial setups that face intense heat and oxidation. Thanks to their strength, thermal stability, and corrosion resistance, Stainless Steel 309/309S Bolts are perfect for flanged joints, pressure equipment, and critical bolted connections in challenging industrial environments.
Murad Fasteners offers a full range of documentation, including our stainless steel 309/309S bolts, trademarks, packaging information, and quality certificates. We offer comprehensive test reports such as MTC per EN 10204/3.1b, PMI Testing, 100% radiography, and third-party inspections. These documents ensure transparency and the quality and compliance of our bolts, resulting in complete customer satisfaction.
Murad Fasteners is a leading manufacturer and supplier of high-quality fasteners in Doha, Qatar, with over 8 years of experience serving global industries.
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