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Pengkumta Fasteners, a well-respected manufacturer and supplier located in Bangkok, Thailand, proudly offers top-notch Stainless Steel 442 Bolts that meet international industrial standards. These bolts are crafted with precision and produced under rigorous quality controls to guarantee durability, reliability, and long-lasting performance. Known for their impressive resistance to oxidation, scaling, and corrosion—even in high temperatures—Stainless Steel 442 Bolts deliver robust strength and excellent stability, making them a go-to fastening solution for industries that demand superior heat resistance and mechanical strength in challenging environments.
The composition of Stainless Steel 442 Bolts features a high chromium content, along with iron and other alloying elements that boost their durability and heat resistance. They showcase remarkable mechanical properties, including excellent hardness, high tensile strength, and outstanding wear and fatigue resistance. Even in high-temperature conditions, these bolts maintain their mechanical stability, ensuring they can be relied upon for the long haul. Their unique makeup and characteristics make them a top choice for critical fastening applications across various industrial sectors.
| 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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You’ll find Stainless Steel 422 Bolts widely used across various sectors, including power generation, aerospace, petrochemical, and marine industries. Their ability to endure high temperatures makes them perfect for applications like turbines, boilers, exhaust systems, and heat exchangers. In the aerospace field, they’re essential for high-stress assemblies that demand strength and wear resistance. The petrochemical industry relies on them in chemical plants and refineries, where they often face aggressive media. Plus, these bolts are also utilized in heavy machinery and marine applications, ensuring dependable performance, a long service life, and safety in challenging environments.
Stainless Steel 442 Bolts find their place in industries that require dependable performance under extreme conditions. You’ll commonly see them in petrochemical plants, power generation units, heat treatment equipment, and furnace assemblies. Their ability to endure high temperatures makes them perfect for use in boilers, kilns, and exhaust systems. Plus, they’re well-suited for marine and chemical environments where corrosion resistance is crucial. With their versatile properties, Stainless Steel 442 Bolts stand as a trusted fastening solution across multiple sectors, delivering strength, reliability, and a long service life.
Pengkumta Fasteners is a leading manufacturer and supplier of high-quality fasteners in Bangkok, Thailand, with over 8 years of experience serving global industries.
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