Weston Stainless, Midland, UK, is a renowned producer and distributor of high-grade stainless steel fasteners, with precision, reliability, and customer-focused service. We are expert producers of Stainless Steel 442 Nuts, produced from superior AISI 442 grade material, which exhibits superior corrosion resistance, high-temperature strength, and magnetic properties. Hexagonal in shape, these nuts are dependable fastening for challenging industrial applications such as automotive, construction and heat-resistant applications. With a dedication to quality and timely delivery,
SS 442 Nuts are manufactured from a ferritic stainless steel alloy consisting mainly of Chromium (18-23%) and Iron with minute quantities of Manganese, Silicon and Carbon. This composition offers superior oxidation resistance as well as magnetic properties. Mechanically they provide good tensile strength (to 600 MPa) and satisfactory creep resistance at high temperatures. Physically they possess a density of 7.7 g/cm³, a melting point of about 1500°C, and low thermal expansion, thus suited for heat-resistance and structure applications in vehicle and industrial situations.
| 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 % | – |
Contact us to get a quick quote for your requirement.
Stainless Steel 442 Nuts offer high-temperature strength, corrosion resistance, and durability, ideal for industrial, automotive, and construction applications requiring reliable fastening solutions.
Stainless Steel 442 Coupling Nuts provide strong, corrosion-resistant connections for threaded rods and components, ideal for high-temperature, structural, and industrial fastening applications.
Stainless Steel 442 Nylon Insert Nuts offer secure, vibration-resistant fastening with high-temperature and corrosion resistance, ideal for automotive, machinery, and heavy-duty industrial applications.
Stainless Steel 442 Flange Hex Nuts provide secure, even fastening with built-in washers, offering excellent corrosion and heat resistance for automotive, construction, and industrial applications.
Stainless Steel 442 Heavy Hex Nuts offer enhanced strength, corrosion resistance, and heat durability, ideal for heavy-duty structural, industrial, and high-temperature fastening applications.
Stainless Steel 442 Square Nuts provide strong, stable fastening with excellent corrosion and heat resistance, ideal for heavy machinery, structural assemblies, and industrial equipment applications.
Weston Stainless ensures top-quality Stainless Steel 442 Nuts through rigorous testing and strict standards. We provide hardness checks, spectrochemical analysis, PMI, micro and macro testing, and pitting resistance tests. Our products meet the highest standards with flaring, IGC tests, and full documentation. Customers receive commercial invoices, packing lists, box numbers, and labeled packaging. We also offer a legalized Certificate of Origin and Third-Party Inspection Certificates. Our commitment to quality and transparency guarantees superior products at competitive prices, ensuring complete client satisfaction.
Stainless Steel 442 Nuts are extensively used for applications demanding high-temperature strength and corrosion resistance. Their resistance to oxidation and durability make them perfect for use in automotive exhaust, heat exchangers and industrial furnaces. They are also employed in manufacturing machinery, construction and the aerospace industry where thermal stress stability is a key factor. Because of their ferritic structure and magnetic characteristics, the nuts can be used in electrical enclosures and engine parts. Their high service lifespan and consistency in extreme conditions make them the engineering and manufacturer favorite among many heavy-duty industries.
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