Monib Stainless is one of the premier manufacturer and supplier in Safat, Kuwait, manufacturing high-quality stainless steel products. Among our numerous products, we are especially outstanding in offering stainless steel 442 nuts that stand out for strength, corrosion resistance, and toughness. These are precision engineered to meet the severe requirements of many industries such as construction, automobile, and maritime. At Monib Stainless, we are committed to providing efficient and cost-effective solutions, carrying superior performance and customer satisfaction at every turn.
Stainless steel 442 nuts are high-temperature fasteners made of ferritic stainless steel alloys. The formulation includes high levels of chromium (12.5%) and molybdenum (1%), which enhance their resistance to oxidation and scaling These nuts provide excellent corrosion resistance and resistance resists heat well, making it ideal for use in high-temperature industrial furnaces, heat exchangers, and others.
| 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.
Monib 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 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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