Amer Stainless is a well-respected manufacturer and supplier of precision-engineered stainless-steel products, proudly based in Amman, Jordan. With a strong commitment to innovation, quality assurance, and customer satisfaction, Amer Stainless delivers robust solutions for a variety of industrial and commercial sectors. One of their standout products is the **Stainless Steel 442 Nuts**, crafted to provide exceptional performance in settings that demand heat resistance, corrosion protection, and reliable long-term fastening. Thanks to cutting-edge production technology and stringent quality control measures, Amer Stainless guarantees that each nut adheres to international standards, ensuring secure and dependable fastening for critical applications across diverse industries.
**Stainless Steel 442 Nuts** are crafted from a high-chromium ferritic stainless-steel grade, featuring around 18–23% chromium, along with controlled carbon content and stabilizing elements like silicon and titanium. This unique composition offers remarkable oxidation and scaling resistance, particularly in high-temperature environments. The material boasts impressive mechanical strength, hardness, and dimensional stability during thermal cycling. Stainless Steel 442 also exhibits good corrosion resistance, maintaining its structural integrity even in tough conditions. Each nut is meticulously machined and undergoes thorough mechanical and dimensional testing to ensure it meets international standards and delivers consistent performance.
| 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.
Amer 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** find their place in various industries that require fasteners capable of enduring high temperatures, corrosion, and mechanical stress. They are commonly used in furnace systems, boilers, exhaust assemblies, heat treatment equipment, and thermal processing machinery. Additionally, these nuts are essential in applications where reliability and durability are paramount, ensuring that critical components remain securely fastened even under challenging conditions.
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