Andre Stainless stands out as a top manufacturer and supplier of Stainless Steel 422 Nuts in Pulau Ujong, Singapore. They specialize in providing high-strength, heat-resistant fastening solutions that are crucial for various applications. With a solid reputation for their expertise in high-performance stainless steels, Andre Stainless crafts SS 422 nuts that offer remarkable mechanical strength, outstanding oxidation resistance, and dependable performance even in high-temperature settings. These nuts are produced to meet strict quality and dimensional standards, making them perfect for industries like power generation, aerospace, thermal processing, and more, where superior fastener performance is a must under stress and heat.
Stainless Steel 422 Nuts are crafted from a hardenable martensitic stainless steel alloy that contains about 12% chromium, along with molybdenum, tungsten, and vanadium. These elements significantly boost the material’s creep resistance, strength, and oxidation resistance at elevated temperatures. SS 422 nuts can be heat treated to achieve impressive tensile strengths that exceed 1000 MPa and hardness levels ranging from 40 to 50 HRC. This alloy maintains its mechanical properties at temperatures as high as 620°C, making it a reliable choice for long-term use in thermally demanding applications.
| 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 422 nuts come in sizes from M6 to M64. Known for high strength and wear resistance, they are suitable for aerospace and automotive applications requiring durability under high stress.
A corrosion-resistant product, Stainless Steel 422 coupling nuts, used to connect two male threads, are available in sizes from M6 to M36. Their high strength and heat resistance make them ideal for heavy-duty industrial applications.
A corrosion-resistant product, Stainless Steel 422 nylon insert nuts, or lock nuts, are available in sizes from M3 to M36. The nylon insert prevents loosening due to vibration, making them ideal for high-stress applications.
A corrosion-resistant product, Stainless Steel 422 flange hex nuts feature an integrated flange and come in sizes from M5 to M20. They provide load distribution and stability, suitable for high-stress and high-temperature environments.
A corrosion-resistant product, Stainless Steel 422 heavy hex nuts are available in sizes from M10 to M48. Their thicker design offers increased strength and durability, ideal for heavy-duty and high-stress applications.
A corrosion-resistant product, Stainless Steel 422 square nuts provide a larger contact surface and come in sizes from M6 to M30. They are suitable for high-stress and heavy clamping applications where stability is crucial.
Andre Stainless ensures high-quality material with rigorous testing, such as hardness, spectro analysis, PMI, tensile, micro and macro structural, pitting resistance, and IGC testing. We assure superior performance through these checks. In addition to our quality commitment, we provide the following essential documentation: commercial invoices, packaging lists with weights, box numbers, labels, and a Certificate of Origin legalized by the Chamber of Commerce or Embassy. Our Third-Party Inspection Certificate ensures full customer satisfaction with the price and delivery of Stainless Steel 422 Nuts.
You’ll find Stainless Steel 422 Nuts commonly used in steam turbines, jet engines, boilers, high-temperature piping systems, and industrial furnaces. Their ability to endure thermal cycling, high stress, and corrosive gases makes them vital components in the energy, aerospace, petrochemical, and marine industries. These nuts ensure secure, long-lasting fastening in equipment where standard stainless steels might falter due to heat or mechanical fatigue. With excellent thermal stability and resistance to stress rupture, SS 422 nuts are the go-to option for engineers looking for durable and high-performance fasteners in challenging operating environments.
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