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The Fasteners Mart in Mumbai, India, is a reputable entity in the manufacture and export of top-quality industrial fasteners engineered to international quality standards. At the forefront of its strong line of products is Stainless Steel 442 Stud Bolts, fashioned from ferritic stainless steel famed for superior heat resistance and oxidation characteristics. These stud bolts are available in different thread forms and sizes and are good for dependable fastening operations under high-temperature conditions. Prepared with Grade 442 stainless steel, these bolts are specifically designed to endure and remain stable and are good for use with thermal equipment, structural assemblies, and power generation systems.
Stainless Steel 442 Stud Bolts are mostly made up of iron with 18–23% chromium, providing them with good oxidation resistance and thermal stability at high temperatures. They have a low carbon content, which makes them more workable while retaining a reasonable strength. The tensile strength of these bolts is about 450–650 MPa, and their yield strength is around 275 MPa. The density is about 7.7 g/cm³ and the melting point is more than 1480°C. Their ferritic microstructure enables good thermal conductivity and moderate corrosion resistance, which makes them suitable for high-heat and structurally challenging 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 % |
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.
Stainless Steel 442 Stud Bolts find extensive use in environments where heat, vibration, and oxidation are issues. They are applicable in power plants, boilers, furnaces, and heat exchangers, where parts need to endure constant thermal exposure. Such bolts are employed in petrochemical plants, motor vehicle exhausts, and kiln mounting as well. Stable performance under heat and scaling resistance make them critically important for applications in thermal processing and industrial heat. The durability and strength they possess make them a great alternative for mechanical fastening and structural fastening even in heavy duty assemblies.
The Fasteners Mart provides secure and timely delivery of Stainless Steel 442 Stud Bolts to both domestic and international markets. Each bolt is carefully packaged with moisture-resistant, sturdy materials to prevent damage in transit. Special packaging, secure marking, and bulk handling facilities are available to satisfy varied client and project-specific requirements.
The Fasteners Mart is a leading manufacturer and supplier of high-quality fasteners in Mumbai, India, with over 8 years of experience serving global industries.
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