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Malik Fasteners, located in Manama, Bahrain, has earned a solid reputation as a reliable manufacturer and supplier of top-notch Stainless Steel 309/309S Nuts. These nuts are celebrated for their impressive strength, precision, and outstanding resistance to high temperatures and corrosion. Crafted to meet rigorous international standards, they deliver dependable performance in tough industrial and engineering settings. At Malik Fasteners, the focus is on providing high-quality fastening solutions that blend durability, mechanical stability, and long-lasting reliability. Stainless Steel 309/309S Nuts are widely utilized in industries that demand components capable of withstanding extreme conditions, making Malik Fasteners a go-to partner for businesses in need of trustworthy, high-performance fasteners for critical applications.
Stainless Steel 309/309S Nuts are made from iron-chromium-nickel alloys, featuring around 23% chromium and 13% nickel. The 309S grade is particularly notable for its low carbon content, which boosts its corrosion resistance and weldability. These nuts boast excellent tensile and yield strength, along with high-temperature stability and resistance to oxidation and scaling up to 1000°C. Their remarkable mechanical properties, paired with durability and fatigue resistance, make Stainless Steel 309/309S Nuts perfect for applications that require long-lasting, high-strength fastening components that can reliably perform in extreme thermal and corrosive environments.
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 Nuts find extensive use in industries that need high-temperature and corrosion-resistant fastening solutions. They’re commonly found in furnace assemblies, heat exchangers, boilers, and kilns, where they often face extreme temperatures. The chemical and petrochemical industries utilize them in reactors, piping systems, and processing equipment that come into contact with corrosive substances. Additionally, these nuts are used in power generation, marine, and offshore sectors for structural and mechanical applications, showcasing their versatility and reliability in demanding environments.
At Malik Fasteners, we prioritize quality by offering multiple certifications on our 309/309S Nuts. Our comprehensive documentation includes commercial invoices, packaging information and certificates of departure. We perform comprehensive testing, offering reports on hardness testing, chemical analysis, positive material identification (PMI), pitting resistance tests, and more. In addition, we issue MTC, PMI test certificates and third-party inspection certificates in accordance with EN 10204/3.1b. This rigorous certification ensures that our fruits meet the highest standards and provide exceptional performance and reliability for demanding applications.
Malik Fasteners is a leading manufacturer and supplier of high-quality fasteners in Manama, Bahrain, with over 8 years of experience serving global industries.
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