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Puri Fasteners, a well-respected manufacturer and supplier based in Chennai, specializes in high-quality Stainless Steel 442 Stud Bolts. These bolts are crafted for exceptional strength, durability, and corrosion resistance, making them perfect for tough industrial settings. Each stud bolt is made with precision to guarantee dimensional accuracy, mechanical stability, and long-lasting performance. Designed to endure high temperatures and moderate corrosive environments, Stainless Steel 442 Stud Bolts offer reliable fastening, secure load distribution, and improved assembly integrity. They are widely utilized in the chemical, petrochemical, and marine industries, combining wear resistance, strength, and precision—making them an excellent choice for critical mechanical and structural applications that demand dependable fastening solutions.
These bolts are constructed from a ferritic-austenitic stainless steel alloy, containing about 17–18% chromium and 3–4% nickel. This composition provides outstanding corrosion resistance, high tensile strength, and good creep resistance at elevated temperatures. They also boast enhanced hardness, mechanical stability, and resistance to oxidation and stress corrosion cracking. Stainless Steel 442 Stud Bolts maintain their dimensional accuracy even under high-stress and high-temperature conditions, making them ideal for industrial applications where mechanical reliability, strength, and moderate corrosion resistance are crucial.
| 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.
You’ll find Stainless Steel 442 Stud Bolts commonly used in heat exchangers, boilers, pressure vessels, chemical processing equipment, and marine applications where high-temperature performance and corrosion resistance are vital. They’re also employed in automotive, aerospace, and industrial machinery assemblies that require secure fastening and dependable load distribution. Plus, these stud bolts are perfect for pipelines, structural components, and fabrication projects that are exposed to elevated temperatures and moderately corrosive environments. With Stainless Steel 442 Stud Bolts, you can count on mechanical stability and long-term durability.
Our stainless steel 442 stud bolts are optimized for undamaged travel through hardwood or hard boxes to international standards. Each bolt is uniquely marked with our grade, size and lot number to ensure traceability and quality assurance. We offer complete documentation, including EN 10204-3.1 and EN 10204-3.2 certificates, material certificates, NABL approved laboratory test reports, and professional test certificates. In addition, our quality control measures include 100% radiographic testing and third-party inspection reports to ensure that each stainless steel 442 stud bolt meets stringent industry requirements for reliability, strength and performance around.
Puri Fasteners is a leading manufacturer and supplier of high-quality fasteners in Chennai, India, with over 8 years of experience serving global industries.
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