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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 Washers. These washers are crafted to withstand high temperatures, ensuring durability and protection against corrosion. Utilizing cutting-edge technology and rigorous quality control, Murad Fasteners guarantees that these washers come with precise dimensions, a smooth surface finish, and dependable performance, even in the toughest industrial and marine settings. They offer a variety of sizes and specifications to align with international standards and specific project needs. Popular throughout Qatar and the Middle East, these washers play a crucial role in secure load distribution, improved bolted connections, and long-lasting fastening performance in critical sectors like chemical, petrochemical, and power generation.
Made from high-chromium, high-nickel austenitic stainless steel alloys, Stainless Steel 309/309S Washers boast exceptional resistance to oxidation, scaling, and corrosion at elevated temperatures. This unique composition provides impressive tensile and yield strength, toughness, and stability under thermal stress. Their mechanical properties ensure reliable load-bearing capacity, dimensional stability, and resistance to wear and deformation, even under high pressure or torque. These washers are designed to maintain their performance over the long haul in aggressive, high-temperature, and chloride-rich environments, making them a durable and low-maintenance choice for demanding 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.
Stainless Steel 309/309S Washers are commonly found in situations that demand corrosion-resistant, high-temperature, and robust fastening solutions. You’ll often see them in boilers, heat exchangers, furnace components, chemical and petrochemical plants, and industrial piping systems. They’re also utilized in power generation equipment, offshore platforms, and heavy industrial setups that face elevated temperatures and corrosive conditions. Thanks to their strength, thermal stability, and resistance to oxidation and scaling, these washers are a go-to choice for many critical applications.
At Murad Fasteners, our commitment to quality is evident in the rigorous testing of all Stainless Steel 309/309S washers before shipment. We conduct advanced testing, including hardness, chemical analysis by Spectro analysis, good material identification (PMI), levelling, micro-macro, pitting resistance and intergranular corrosion (IGC) testing. In addition, we offer third-party inspection certificates to confirm that our washers meet the highest standards of quality and reliability, ensuring exceptional performance in harsh environments.
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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