Kyaw Stainless, a well-respected manufacturer and supplier located in Naypyidaw, Myanmar, is known for its top-notch Stainless Steel 420 Nuts. With a keen emphasis on durability, precision, and resistance to corrosion, this company consistently delivers products that align with international standards. The Stainless Steel 420 Nuts from Kyaw Stainless find their way into various industrial sectors where strength and reliability are paramount. Each product undergoes rigorous quality checks, making them perfect for demanding applications in engineering, construction, and manufacturing both in Myanmar and beyond.
These Stainless Steel 420 Nuts are primarily made of iron, with 12–14% chromium, along with trace amounts of carbon, manganese, and silicon. This martensitic stainless steel grade boasts impressive hardness and strength after heat treatment. The nuts show excellent corrosion resistance in mild environments, good tensile strength, and outstanding wear resistance. Their mechanical properties include a tensile strength of around 700–950 MPa and a hardness level between 48 to 52 HRC, making them ideal for applications that require both strength and moderate corrosion resistance.
| Specifications | : | ASTM A /SA 193 / 194 |
| Dimensions | : | ASTM,DIN, BS,GB, IS and all International Standards |
| Length | : | 3 mm to 200 mm |
| Nuts size | : | M02 to M33 |
| Fe | C | Mn | Si | Cr | Ni* | Mo* | P | S | Cu* | Al* | Sn* |
|---|---|---|---|---|---|---|---|---|---|---|---|
Balance | 0.15-0.40% | 1.00% max | 1.00% max | 12.00-14% | 0.50% max | 0.50% max | 0.04% max | 0.03% max | 0.50% max | 0.15% max | 0.05% max |
| Property | Metric |
|---|---|
Density | 7.74 g/cm3 |
Elastic Modulus | 200 GPa |
Electrical Resistivity | 0.55 x 10-7 .m |
Tensile Strength | 655 MPa |
Yield strength (Temper: Annealed) Minimum 0.2% offset | 40,000 psi |
Yield Strength (Temper: Hardened + 350°F) Typical 2% offset | 195,000 psi |
Elongation (% in 50 mm) | 25 |
Brinell Hardness (HB) | 241 max |
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Corrosion-resistant product known for high hardness. Stainless Steel 420 Nuts are available in sizes from M6 to M36, suitable for applications where wear resistance and durability are crucial, such as in cutting tools and industrial machinery.
Designed for joining threaded rods, available in sizes from M6 to M36. They are used in applications requiring high hardness and resistance to wear, such as in machinery and automotive components.
Featuring a nylon insert for secure fastening, Stainless Steel 420 Nylon Insert Nuts come in sizes from M6 to M24. They offer stability and prevent loosening, ideal for applications where vibration resistance and durability are important.
Enhanced load distribution with integrated flanges. Available in sizes from M6 to M24, they are used in heavy-duty machinery and structural applications where high hardness and support are needed.
Designed for high-stress applications, Stainless Steel 420 Heavy Hex Nuts are available in sizes from M6 to M36. They offer superior hardness and strength, making them suitable for use in industrial machinery and demanding environments.
A large surface area for effective torque application. Available in sizes from M6 to M24, they are ideal for secure fastening in tight spaces within various industrial and structural applications.
Stainless Steel 420 Nuts find extensive applications in automotive, aerospace, and marine sectors, where wear resistance and high strength are essential. They are also utilized in pump shafts, turbine blades, cutlery, and surgical tools, ensuring reliability in critical applications. They are suitable for petrochemical, construction, and heavy machinery sectors, offering safe fastening in corrosive and high-temperature environments. They are also employed in defense, food processing, and precision engineering applications, where their greater mechanical strength, hardness, and durability result in long-term performance and reliability.
You’ll find Stainless Steel 420 Nuts widely used in industries like automotive, marine, aerospace, petrochemical, and construction. They’re perfect for high-stress applications such as machinery assemblies, pumps, valves, and fasteners that face moderate corrosion and wear. Their high hardness makes them suitable for tools, precision instruments, and equipment that experience friction and impact. Plus, these nuts perform admirably in slightly corrosive or damp conditions, providing a cost-effective and reliable fastening solution for industrial and mechanical applications that demand durability and performance.







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