Nakamura Stainless is a well-respected manufacturer and supplier based in Pulau Ujong, Singapore, known for delivering top-notch stainless steel products tailored for demanding industrial needs. One of their standout offerings, the Stainless Steel 442 Nuts, is celebrated for its exceptional resistance to oxidation, scaling, and high-temperature corrosion. Built to provide outstanding strength and stability, these nuts are designed to perform reliably even in the toughest environments where standard fasteners might struggle. Nakamura Stainless prides itself on precision manufacturing, strict adherence to international standards, and consistent quality, making their Stainless Steel 442 Nuts a trusted choice for industries that require durable fastening solutions in high-temperature and corrosive settings.
These Stainless Steel 442 Nuts are made from ferritic stainless steel, which contains 18–23% chromium, along with trace amounts of molybdenum and silicon to boost their high-temperature strength and oxidation resistance. This unique composition allows them to maintain impressive tensile and yield strength while effectively resisting creep deformation at elevated temperatures. Thanks to their ferritic structure, they offer toughness, dimensional stability, and resistance to scaling, making them ideal for continuous use in both oxidizing and sulfidizing environments.
| 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.
You’ll find Stainless Steel 442 Nuts widely utilized in industries that require secure fastening under high stress, exposure to corrosion, and extreme temperatures. They are frequently used in boilers, furnaces, kilns, and heat exchangers due to their remarkable scaling resistance. The petrochemical, metallurgical, and power generation sectors depend on these nuts for equipment and machinery that face high heat and corrosive gases. Moreover, they are perfectly suited for chemical processing plants, gas turbines, and other thermal systems that demand durability and strength. With their robust performance, Stainless Steel 442 Nuts guarantee reliability and safety in critical industrial applications.
Stainless steel 442 nuts are used in high temperature applications such as industrial furnaces, heat exchangers and cover furnaces. Their excellent oxidation and scaling resistance makes them suitable for hot environments and ambient conditions, providing durable and reliable performance under harsh industrial conditions.
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