Lecong Stainless, a trusted manufacturer and supplier based in Da Nang, Vietnam, specializes in high-quality Stainless Steel 442 Nuts that are built for outstanding strength, durability, and resistance to high temperatures. As part of the ferritic stainless steel family, SS 442 boasts excellent oxidation and scaling resistance, making it a perfect choice for fastening solutions that face heat and corrosive environments. These nuts are crafted to meet international quality standards, ensuring they provide secure, reliable, and long-lasting fastening performance. Thanks to Lecong Stainless’s expertise, SS 442 Nuts are widely recognized in industries where thermal stability and mechanical strength are essential.
Stainless Steel 442 Nuts are made with a high chromium content (18–23%) along with small amounts of molybdenum and low carbon, which boosts their oxidation resistance and helps prevent carbide precipitation. Their ferritic structure guarantees dimensional stability and toughness, even when subjected to thermal cycling. On the mechanical side, SS 442 Nuts showcase impressive tensile strength, hardness, and good creep resistance, making them ideal for continuous use in high-temperature settings. They also provide moderate corrosion resistance, especially against scaling and sulfidation in tough service conditions.
| 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.
Lecong 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.
These Stainless Steel 442 Nuts find extensive application in furnaces, boilers, heat exchangers, and high-temperature processing equipment. Industries such as petrochemical, power generation, metallurgy, and thermal plants depend on them for fastening in environments that involve hot gases, oxidation, and varying thermal conditions. Their strength and heat resistance also make them a great fit for heavy-duty machinery, structural components, and industrial equipment. With their robust performance and reliability, SS 442 Nuts are the go-to choice for fastening solutions in demanding high-temperature and corrosive applications.
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