Lecong Stainless is a reliable manufacturer and supplier of **Stainless Steel 422 Nuts**, based in Da Nang, Vietnam. The company is known for its focus on precision and quality. It provides dependable fastening solutions for demanding industrial settings. Lecong uses modern manufacturing technology and strict quality control processes to make nuts that meet international standards. These high-performance fasteners work well in industries that require strong materials, wear resistance, and thermal stability. With a solid distribution network and a customer-focused approach, Lecong Stainless has gained trust in sectors like aerospace, power generation, automotive, and heavy machinery manufacturing.
**Stainless Steel 422 Nuts** are made from a martensitic stainless steel alloy, which contains about 12% chromium, 0.2% to 0.5% molybdenum, and up to 1% nickel, as well as carbon, manganese, and silicon in controlled amounts. This mix gives them great mechanical strength and resistance to oxidation. With a tensile strength of 620 to 880 MPa and hardness up to 48 HRC after heat treatment, these nuts perform well under stress and at high temperatures. Their wear resistance and creep strength make them suitable for both thermal and mechanical applications. The alloy can be heat treated to enhance strength and is magnetic.
| 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.
Lecong 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.
**Stainless Steel 422 Nuts** are used in applications that need high strength, heat resistance, and durability. They are commonly found in turbines, power generation systems, and jet engines. They operate reliably under high temperatures and mechanical loads. Their resistance to oxidation and thermal fatigue makes them ideal for securing components in boilers, pressure vessels, and heat exchangers. In automotive and aerospace fields, 422 nuts are selected for key fastenings that need both strength and stability in size. They are also used in industrial machinery and marine environments, where good corrosion and heat resistance are vital for long-lasting performance.
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