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Punit Fasteners is a leading manufacturer, distributor and exporter based in Delhi and India, specializing in top quality stainless steel 442 fasteners Upholding the highest technical standards, we carefully select premium materials to ensure outstanding and durable performance. Our unwavering commitment to excellence guarantees that our fasteners consistently meet exacting quality standards, and handle a variety of demanding applications around the world.
Punit Fasteners, an Indian company located in Delhi, is a reliable manufacturer and supplier of high-quality Stainless Steel 442 Fasteners with notable resistance to corrosion, scaling, and excessive heat. With chromium and titanium-rich composition, the fasteners are made to perform up to 816°C (1500°F) without losing effectiveness. Their high strength, ductility, and toughness ensure that they are a perfect fit for high-stress applications like automobiles, aerospace, and industrial building industries. Withstanding high stress conditions with reliability, our SS 442 fasteners exhibit unparalleled durability, strength, and lifespan in corrosive and high-temperature conditions.
| 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 Fasteners consist mainly of chromium (18–23%), together with titanium, and a trace of manganese.“. Its distinctive alloy composition provides enhanced resistance against oxidation, thermal scaling, and chemical corrosion. They provide high tensile strength (usually up to 620 MPa), yield strength at about 250 MPa, and exhibit favorable elongation and ductility when subjected to stress. Their feature of retaining mechanical strength at high temperatures and withstanding corrosive media makes them suitable for use in both thermal exposure and mechanical stress applications, guaranteeing long-term stability in stressful operational conditions.
SS 442 Fasteners find extensive applications where heat and corrosion resistance and structural integrity are required. In the automotive sector, they are best suited for exhaust systems because of their resistance to hot gases and vibration. In the power generation and chemical processing industries, these fasteners are used in the boilers, reactors, and heat treatment equipment where both scaling resistance and mechanical strength are a priority. They are also compatible with aerospace parts, industrial furnaces, and structural assemblies subjected to extreme temperature and corrosive environments. Their strength, versatility, and durability make them a fundamental fastening element for many industries.
Punit Fasteners is a leading manufacturer and supplier of high-quality fasteners in Delhi, India, with over 15 years of experience serving global industries.
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