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Stainless Steel 442 Stud Bolts are top-notch fasteners made from ferritic stainless steel, specifically crafted for situations where heat resistance, oxidation stability, and long-lasting durability are a must. These bolts are built to hold up under extreme temperatures and harsh environments, making them perfect for critical industrial uses. Thanks to their high chromium content, they resist scaling and oxidation exceptionally well, and their precise manufacturing ensures they have consistent dimensions and reliable performance. You’ll find Stainless Steel 442 Stud Bolts in applications where thermal stability and mechanical strength are crucial for safe and secure fastening.
These bolts are mainly made of iron, containing 18–23% chromium and very little nickel, which gives them their ferritic properties. This unique blend allows them to resist oxidation at high temperatures, reaching up to 1093°C (2000°F), while also providing excellent hardness and dimensional stability. On the mechanical side, they boast high tensile and yield strength, good fatigue resistance, and the ability to maintain their properties even under thermal cycling. Their ferritic microstructure also helps them resist stress corrosion cracking, making them a great choice for high-temperature and chemically aggressive environments.
| Component | Wt. % |
| C | 0.23 |
| Cr | 12.5 |
| Fe | 83 |
| Mn | 0.5 |
| Mo | 1 |
| Ni | 0.8 |
| P | 0.02 |
| S | 0.015 |
| Si | 0.38 |
| V | 0.23 |
| W | 1 |
| Mechanical Properties | Metric | English | Comments |
| Hardness, Brinell | 290 | 290 | Estimated from Rockwell C value for Brinell test with 3000 kg load/10 mm diameter ball |
| Hardness, Knoop | 315 | 315 | Estimated from Rockwell C value. |
| Hardness, Rockwell C | 30 | 30 | |
| Hardness, Vickers | 304 | 304 | Estimated from Rockwell C value. |
| Tensile Strength, Ultimate | 897 MPa | 130000 psi | |
| Tensile Strength, Yield | 828 MPa | 120000 psi | 0.2% Offset |
| Elongation at Break | 15 % | 15 % | |
| Reduction of Area | 40 % | 40 % |
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Stainless steel 442 stud bolts find important advantages in applications requiring strong fastening solutions under extreme conditions. They are important in power generation for connecting critical components in turbine boilers, where high temperature and corrosion resistance are required These studbolts are also used in chemical plants for connecting equipment a exposed to corrosion and high temperature protection Their structural integrity in automotive applications They also support reliability , especially in mechanical exhaust systems. Stainless steel 442 stud bolts are relied upon for durability, strength, resistance to oxidation and scaling where performance and reliability are paramount
You’ll see Stainless Steel 442 Stud Bolts used widely in industries that need heat-resistant and durable fastening solutions. They’re perfect for furnaces, kilns, heat exchangers, power plants, and chemical processing equipment that face high temperatures and oxidative conditions. These bolts also find their place in automotive exhaust systems, gas turbines, and industrial heating units where strong, dependable fasteners are essential. With their impressive combination of thermal stability, corrosion resistance, and mechanical strength, Stainless Steel 442 Stud Bolts deliver safe, long-lasting performance in demanding industrial and high-temperature settings.
Aria Fasteners is a leading manufacturer and supplier of high-quality fasteners in Hamilton, New Zealand, with over 8 years of experience serving global industries.
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