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Mira Fasteners stands out as a top manufacturer and supplier of **Stainless Steel 309/309S Fasteners** right in the heart of Kuala Lumpur, Malaysia. We pride ourselves on delivering high-quality fastening solutions tailored for industries that face high temperatures and corrosive conditions. Our fasteners are expertly designed to offer outstanding heat resistance, oxidation resistance, and mechanical strength. You’ll find Stainless Steel 309/309S Fasteners commonly used in thermal processing equipment, furnaces, and exhaust systems. At Mira Fasteners, we ensure that every product meets international standards, guaranteeing precision, reliability, and durability. With a diverse selection of sizes and configurations, we cater to the unique fastening needs of clients across various industrial sectors.
When it comes to composition, **Stainless Steel 309/309S Fasteners** contain about 23% chromium and 13% nickel, which gives them remarkable resistance to oxidation and corrosion, even at high temperatures. The Grade 309S variant is the low-carbon version of 309, which enhances weldability and minimizes carbide precipitation. These fasteners boast impressive tensile strength (around 550 MPa), yield strength (205 MPa), and excellent creep resistance. The combination of high alloy content and robust mechanical properties ensures they remain stable and durable, even in extreme thermal conditions. Both grades maintain their structural integrity and corrosion resistance, making them perfect for applications that require long-term exposure to heat and harsh 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.
The stainless steel 309/309S fastener is required for high heat resistance and power handling. It is widely used in the chemical, electrical and petrol industries, where durability is required under extreme conditions. These fasteners also play an important role in industrial boiler heat exchangers and exhaust systems for reliable operation in high-temperature environments. They are used in the construction industry and industrial engineering to provide excellent resistance, do not deteriorate, and are durable. Their robustness and environmental resistance make them ideal for high-efficiency and rugged performance applications.
You’ll find **Stainless Steel 309/309S Fasteners** in a variety of high-heat and thermal cycling applications, including furnace components, heat exchangers, kilns, boilers, incinerators, and catalytic converters. They’re also essential in the petrochemical, power generation, aerospace, and marine industries. These fasteners excel in oxidation resistance up to 1000°C, making them ideal for equipment that endures intense heat. Their ability to resist sulfidation and carburization further boosts their effectiveness in aggressive atmospheres. With their strong mechanical performance and reliability, they truly stand out in demanding environments.
Mira Fasteners is a leading manufacturer and supplier of high-quality fasteners in Kuala lumpur, Malaysia, with over 8 years of experience serving global industries.
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