Niazi Stainless, a well-respected manufacturer and supplier located in Manama, Bahrain, specializes in top-notch Stainless Steel 442 Nuts that are built to handle the rigorous demands of industrial applications. Renowned for their commitment to global quality standards, Niazi Stainless guarantees that each SS 442 nut offers outstanding strength, impressive corrosion resistance, and long-lasting durability. With a focus on precision engineering and ensuring customer satisfaction, the company provides reliable fastening solutions that excel in high-temperature and corrosive environments. Their Stainless Steel 442 Nuts have earned the trust of various sectors, including petrochemical, construction, automotive, and power generation, making Niazi Stainless a go-to supplier in Bahrain and the GCC.
Crafted from high-chromium ferritic stainless steel, these nuts contain around 18–23% chromium, along with carefully controlled levels of carbon, silicon, manganese, and trace elements that boost stability and corrosion resistance. They showcase remarkable mechanical properties, such as high tensile strength, solid hardness, and excellent heat resistance. Thanks to their ferritic structure, they offer improved oxidation resistance and maintain mechanical stability even at elevated temperatures, ensuring reliable performance in challenging 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.
Niazi 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 a popular choice in industries that need fasteners capable of withstanding high temperatures and corrosive conditions. They’re frequently used in furnace systems, boilers, heat exchangers, and exhaust assemblies due to their strong resistance to scaling and oxidation. In petrochemical facilities, SS 442 nuts play a crucial role in securing equipment that faces harsh chemicals and thermal fluctuations. Additionally, they find applications in power generation, automotive manufacturing, construction frameworks, and heavy machinery. Their durability, stability, and corrosion-resistant features make them a trusted option for critical fastening needs.
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