Kyaw Stainless is a prominent manufacturer and supplier located in Naypyidaw, Myanmar, known for its top-notch Stainless Steel 442 Stud Bolts. With a strong focus on excellence and precision engineering, Kyaw Stainless offers durable, corrosion-resistant fasteners that adhere to international standards. Each stud bolt is crafted for outstanding performance, reliability, and longevity, especially in tough industrial settings. Thanks to advanced manufacturing techniques and rigorous quality control, Kyaw Stainless provides Stainless Steel 442 Stud Bolts that serve a variety of industries, delivering exceptional strength, thermal resistance, and consistent mechanical properties for secure and lasting fastening solutions.
These Stainless Steel 442 Stud Bolts are mainly made from iron, chromium (18–23%), and molybdenum, which gives them impressive oxidation and scaling resistance at high temperatures. This ferritic stainless steel grade boasts good strength, ductility, and hardness, making it perfect for heat-resistant applications. Mechanically, these bolts show high tensile and yield strength, maintaining stable performance even under thermal stress. They also retain toughness and corrosion resistance in mildly corrosive environments, particularly in high-temperature conditions, ensuring durability, lower maintenance needs, and a long service life across various industrial applications.
| 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.
You’ll find Stainless Steel 442 Stud Bolts widely used in sectors like petrochemical, power generation, heat exchangers, furnaces, and exhaust systems, thanks to their high-temperature oxidation resistance and strength. They’re ideal for situations where thermal stability and corrosion resistance are essential, such as in boilers, pressure vessels, and industrial ovens. These stud bolts are also a great fit for automotive exhaust components, turbines, and refinery equipment. Their remarkable mechanical stability and durability make them a go-to choice for securing assemblies in high-heat, high-pressure, and corrosive environments.
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