Harsh Metalloys, a Mumbai, India-based manufacturer and supplier of Stainless Steel 442 Nuts, is renowned for their excellent resistance to oxidation and mechanical strength in high-temperature conditions. Formulated for industrial usage in high-heat applications, these nuts are precision-made to international quality standards. Harsh Metalloys supplies SS 442 nuts in a range of sizes and thread types to suit a diverse array of fastening applications.”. Our emphasis on sustained quality, prompt delivery, and customer satisfaction makes us an industry-leading supplier of a wide range of products, including Stainless Steel 442 Nuts, to industries like automotive, power plants, heat treatment, and chemical processing.
Stainless Steel 442 Nuts contain predominantly 18% chromium and 1% silicon, with low carbon levels. Being a ferritic stainless steel, Grade 442 showcases a superior resistance against oxidation, scaling, and corrosion at high temperatures. It retains mechanical strength and structural integrity up to temperatures of 1100°C. Such nuts have a tensile strength of approximately 450–550 MPa with moderate ductility. They are magnetic, have good thermal conductivity, and are resistant to deformation under heat stress. Harsh Metalloys offers dimensional precision, uniform finish, and high performance in harsh 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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Stainless Steel 442 Nuts have excellent heat and corrosion resistance, suitable for moderate to high-temperature applications in automotive, aerospace, and industrial environments.
Stainless Steel 442 Coupling Nuts join threaded studs or rods, offering resistant fastening that is strong and heat-resistant in structural and mechanical high-temperature applications.
Stainless Steel 442 Nylon Insert Nuts ensure vibration resistance and secure locking, balancing strength with heat and oxidation resistance to provide secure fastening.
Stainless Steel 442 Hex Nuts with a built-in flange are used to distribute load evenly, providing secure, heat-resistant fastening in harsh environments.
Stainless Steel 442 Heavy Hex Nuts are used with a heavier body for added strength, used in high-stress and high-temperature conditions.
Stainless Steel 442 Square Nuts provide a simple wrench grip and consistent fastening, providing heat and corrosion resistance for structural and mechanical applications.
Stainless Steel 442 Nuts find common use in high-temperature applications like the construction of furnaces, heat exchangers, boilers, and exhaust systems. They are resistant to heat and oxidation, which makes them suitable for thermal processing plants, power generation equipment, petrochemical plants, and automotive heat shields. SS 442 nuts ensure safe fastening in conditions where normal stainless steels corrode or scale. They are also utilized in architectural uses where strength and anti-corrosion properties are required. Harsh Metalloys provides customized solutions for SS 442 nuts in a manner that satisfies certain industrial requirements with dependability and durability.
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