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Murad Fasteners has established itself as a reliable manufacturer and supplier in Doha, Qatar, specializing in top-notch Stainless Steel 309/309S Fasteners. These fasteners are crafted for exceptional high-temperature strength, corrosion resistance, and long-lasting durability. Using cutting-edge production methods and rigorous quality control, Murad ensures that each fastener features precise threading, accurate dimensions, and dependable performance, even in the toughest industrial and high-temperature settings. They offer a diverse range of sizes and specifications to meet both international standards and specific project needs. These fasteners are widely utilized throughout Qatar and the Middle East, providing secure, durable, and trustworthy bolted connections in critical chemical, petrochemical, and industrial applications.
The Stainless Steel 309/309S Fasteners are made from a high-chromium, high-nickel austenitic stainless steel alloy, which gives them remarkable resistance to oxidation, scaling, and corrosion at elevated temperatures. This unique composition guarantees excellent tensile and yield strength, toughness, and stability under thermal stress. Their mechanical properties include a high load-bearing capacity, dimensional stability, and resistance to wear and deformation, ensuring reliable performance even in fluctuating temperatures and harsh environments. These fasteners are designed for long-term durability with minimal maintenance, making them ideal for demanding high-temperature and corrosive industrial applications.
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.
You’ll find Stainless Steel 309/309S Fasteners in various industries that need corrosion-resistant and mechanically reliable fastening solutions. They are commonly used in boilers, heat exchangers, furnace components, petrochemical and chemical plants, and industrial piping systems. Additionally, they play a crucial role in power generation equipment, offshore structures, and heavy industrial installations that face extreme temperatures and corrosive conditions. Thanks to their durability and resistance to oxidation, scaling, and high-temperature corrosion, these fasteners are a go-to choice for many critical applications.
At Murad Fasteners, our commitment to quality is unwavering, as evidenced by the rigorous testing procedures applied to all Stainless Steel 309/309S fasteners before shipment. These advanced tests include hardness, chemical analysis by Spectro analysis, positive material identification (PMI), levelling, micro-macro, pitting resistance, fire and intergranular corrosion (IGC) testing. Furthermore, we offer third-party inspection certifications to ensure our fasteners are of the highest quality and reliable for demanding applications.
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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