Khaled Stainless, located in Cairo, Egypt, is a trusted manufacturer and supplier of Stainless Steel 442 Nuts, designed specifically for high-temperature and corrosion-resistant fastening needs. Made from high-chromium ferritic stainless steel, these nuts boast impressive resistance to oxidation, scaling, and harsh industrial environments. Khaled Stainless prioritizes precise threading, consistent hardness, and strict dimensional accuracy to adhere to international quality standards. The SS 442 nuts from Khaled Stainless find their place in power plants, furnaces, petrochemical facilities, and thermal processing industries, where durability, stability, and long-lasting performance at elevated temperatures are crucial.
Stainless Steel 442 is a ferritic stainless steel alloy that contains around 18–23% chromium and has a low carbon content, which gives it strong resistance to oxidation and scaling at high temperatures. SS 442 nuts demonstrate moderate tensile and yield strength, good hardness, and stable mechanical properties even under thermal stress. This alloy features low thermal expansion, solid resistance to sulfur-rich environments, and dependable performance in continuous service up to about 1050°C, making it an excellent choice for high-heat fastening applications.
| 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.
Khaled 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 frequently employed in high-temperature and oxidation-heavy settings where reliable fastening is essential. Common applications include furnaces, kilns, boilers, heat exchangers, exhaust systems, and equipment used in petrochemical processing. These nuts are widely found in power generation plants, as well as in the cement and steel industries, and industrial heating systems. Thanks to their outstanding resistance to scaling, thermal fatigue, and corrosion, SS 442 nuts are perfect for flanged joints, structural assemblies, and equipment that faces continuous heat, combustion gases, and challenging conditions.







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