Home > Stud Bolts > Stainless Steel 442 Stud Bolts
Weston Stainless, which is headquartered in Midland, UK, is a renowned provider of high-grade stainless steel products, offering durable and precision-engineered solutions for diverse industrial applications. Of its offerings, Stainless Steel 422 Stud Bolts are notable for their superior high-temperature strength, corrosion resistance, and wear resistance. Under Grade 422, these stud bolts are available in various shapes and sizes, such as fully threaded and double-end, to ensure compatibility with different industrial needs. Made of martensitic stainless steel, they offer improved mechanical strength, resistance to oxidation, and toughness, making them suitable for use in high–heat and harsh conditions.
Stainless Steel 422 Stud Bolts mainly consist of iron with chromium (11-13%), molybdenum, tungsten, and vanadium that make them stronger and heat-resistant. It also includes carbon, manganese, silicon, and nickel for mechanical stability. These bolts provide tensile strength of approximately 1034 MPa, yield strength of about 827 MPa, and elongation of 15%. Their physical characteristics are a density of approximately 7.8 g/cm³ and superior thermal conductivity, enabling them to perform at high levels under harsh temperatures and mechanical stress.
| 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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Excellent strength and corrosion resistance. Perfect for high-stress environments, they provide reliable performance with their precision threading and durability in various applications.
Combine strength and corrosion resistance, ideal for demanding conditions. Their high durability and reliable threading make them suitable for heavy-duty and industrial applications.
Feature a sleek, flush design for a smooth finish. Combining corrosion resistance and strength, they are ideal for applications requiring a streamlined, low-profile solution.
Stainless Steel 422 Stud Bolts have extensive applications in industries demanding high-temperature and high-strength fastening solutions, including aerospace, power generation, and petrochemical plants. They are predominantly utilized in gas turbines, steam turbines, exhaust systems, and heat exchangers owing to their superior heat resistance and mechanical stability. They are also employed in pressure vessels, industrial furnaces, and refinery equipment where oxidation and wear resistance are significant. Their higher hardness, toughness, and resistance to thermal fatigue render them suitable for severe engineering uses.
Stainless Steel 422 Stud Bolts are provided with mill test certificates such as EN 10204 3.1 or 3.2 for adherence to international quality standards. The bolts are safely packed in wooden boxes, bubble wraps, or plastic-capped ends to avoid damage during transit. Delivery timelines vary based on order quantity and destination, and effective logistics ensure timely dispatch. Special packaging can be arranged as per request to cater to special requirements, with the bolting reaching the destination in perfect condition.
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