Harshita Stainless stands out as a top-notch manufacturer and supplier of premium stainless steel fasteners, proudly based in Delhi, India. Known for our precision engineering and high product standards, we focus on crafting Stainless Steel 442 Nuts that serve a variety of industrial and commercial needs. Our fasteners are made from top-quality materials and cutting-edge technology, ensuring they are durable, resistant to corrosion, and built to last. With a strong dedication to customer satisfaction, competitive pricing, and prompt delivery, Harshita Stainless has earned a solid reputation both in India and around the world as a reliable source for stainless steel fastening solutions.
Stainless Steel 442 Nuts are crafted from ferritic stainless steel, which contains about 18% chromium and 1% molybdenum, giving them impressive resistance to oxidation and corrosion. They boast mechanical properties like a tensile strength of approximately 450–600 MPa and good yield strength, making them perfect for high-temperature settings. These nuts can withstand scaling up to 1100°C and offer moderate formability and weldability. Typically, their hardness falls between Rockwell B88 and B95. These features make SS 442 an excellent choice for applications that require strength, stability, and thermal resistance.
| Material | Specification | Standards | Length | Size |
| 442 Stainless Steel Fasteners | IS BS ASTM | DIN, ISO, JIS, GB, IS, BS, ASTM | 3 mm to 200 mm | M 02 to M 160 |
| 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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A corrosion-resistant product, Stainless Steel 442 nuts are available in sizes from M6 to M64. They are designed for high-temperature applications, providing excellent oxidation resistance and durability in harsh environments like industrial furnaces and heat exchangers.
A corrosion-resistant product, Stainless Steel 442 coupling nuts, used to join two male threads, come in sizes from M6 to M36. Their high-temperature and oxidation resistance make them ideal for extended connections in thermal processing and industrial applications.
A corrosion-resistant product, Stainless Steel 442 nylon insert nuts, or lock nuts, are available in sizes from M3 to M36. The nylon insert secures the nut against vibration and movement, suitable for high-temperature environments requiring secure and reliable fastening.
A corrosion-resistant product, Stainless Steel 442 flange hex nuts feature an integrated flange and come in sizes from M5 to M20. They distribute load over a larger area, enhancing stability and performance in high-temperature and corrosive environments.
A corrosion-resistant product, Stainless Steel 442 heavy hex nuts are available in sizes from M10 to M48. Their increased thickness and strength make them suitable for heavy-duty and high-temperature applications, ensuring robust and secure fastening.
A corrosion-resistant product, Stainless Steel 442 square nuts offer a larger surface area for contact, available in sizes from M6 to M30. They are ideal for high-temperature and heavy clamping applications, providing stability and reliable performance in challenging environments.
Harshita Stainless offers the best quality in its Stainless Steel 442 Nuts through hardness, spectrochemical analysis, PMI, micro and macro testing, flaring, pitting resistance, and IGC tests, all of which are provided as proofs that make it reach the very highest standards. We are able to offer full documentations-detailed commercial invoices, accurate packaging list, box number, and labels-and the legalized Certificate of Origin, Third-Party Inspection Certificate reflect the transparency of products. Our commitment to excellence and detailed processes ensure 100% client satisfaction in the quality and pricing of our products.
Stainless Steel 442 Nuts find their place in various industries that require outstanding corrosion and heat resistance. You’ll often see them in heat exchangers, furnace components, exhaust systems, automotive parts, and industrial ovens. Their remarkable thermal stability and oxidation resistance make them perfect for high-temperature and challenging environments. Additionally, they are utilized in chemical processing plants, petrochemical equipment, and power generation facilities. Their strength and dependability also make them suitable for architectural projects and marine applications.
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