Kyaw Stainless, located in Naypyidaw, Myanmar, stands out as a top manufacturer and supplier of high-quality Stainless Steel 348 Nuts. The company is committed to providing precision-engineered fasteners that adhere to international standards for durability, performance, and resistance to corrosion. With state-of-the-art manufacturing facilities and a strong focus on quality assurance, Kyaw Stainless delivers dependable fastening solutions across various industries. Their Stainless Steel 348 Nuts are well-known for their exceptional strength, heat resistance, and outstanding performance in challenging environments, establishing Kyaw Stainless as a trusted name in Myanmar’s stainless steel market.
These Stainless Steel 348 Nuts are primarily made up of chromium, nickel, and columbium (niobium), which help improve their stability against carbide precipitation. Typically, the composition includes around 17–19% chromium, 9–13% nickel, along with trace amounts of carbon, manganese, silicon, phosphorus, and sulfur. These nuts boast impressive mechanical properties, including high tensile strength, good yield strength, and remarkable toughness, even at elevated temperatures. Their excellent resistance to oxidation, creep, and intergranular corrosion makes them perfect for high-temperature and high-stress applications.
| Element | Content (%) |
|---|---|
| Iron, Fe | 66 |
| Chromium, Cr | 18 |
| Nickel, Ni | 10 |
| Manganese, Mn | 2.0 |
| Silicon, Si | 1.0 |
| Nb + Ta | 0.8 |
| Cobalt, Co | 0.2 |
| Tantalum, Ta | 0.1 |
| Carbon, C | 0.080 |
| Phosphorous, P | 0.045 |
| Sulfur, S | 0.030 |
| Properties | Metric | Imperial |
|---|---|---|
| Tensile strength | 655 MPa | 95000 psi |
| Yield strength (@ strain 0.200%) | 275 MPa | 39900 psi |
| Izod impact | 120 – 160 J | 88.5 – 118 ft-lb |
| Charpy impact | 160 J | 118 ft-lb |
| Shear modulus (typical for steel) | 77.0 GPa | 11200 ksi |
| Elastic modulus | 190-210 GPa | 27557-30458 ksi |
| Poisson’s ratio | 0.27-0.30 | 0.27-0.30 |
| Elongation at break (in 50 mm) | 45% | 45% |
| Hardness, Brinell (converted from Rockwell B hardness) | 147 | 147 |
| Hardness, Knoop (converted from Rockwell B hardness) | 164 | 164 |
| Hardness, Rockwell B | 85 | 85 |
| Hardness, Vickers (converted from Rockwell B hardness) | 169 | 169 |
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High temperature applications. Available in sizes from M6 to M36, these nuts are highly resistant to corrosion and oxidation, making them suitable for nuclear reactors and chemical devices.
Designed to connect threaded rods in harsh environments. Sizes range from M6 to M36, making them ideal for applications in hot and humid environments, such as medical plants and power plants
Available in sizes from M6 to M24, they offer high thermal stability and resistance, suitable for use in aerospace and industrial equipment.
Enhanced weight distribution with integrated flanges. Available in sizes from M6 to M24, these panels are used in complex applications such as furnace components and heat exchangers, providing strong support.
Designed for high stress and high temperature environments. Available in sizes from M6 to M36, they are ideal for use in industrial equipment and nuclear reactors, providing exceptional strength and durability.
Large surface area for efficient torque application. Sizes range from M6 to M24, making it suitable for secure communications in hot environments, such as chemical applications and space applications.
These SS 348 Nuts are applied in aerospace, chemical processing, power plants, nuclear reactors, and exhaust systems because of their high-temperature stability and corrosion resistance. Their higher oxidation and creep deformation resistance makes them suitable for heat exchangers, boilers, and pressure vessels, providing long-term performance in harsh environments.
Stainless Steel 348 Nuts find extensive use in industries that require top-notch corrosion and heat resistance. They are particularly suited for chemical processing equipment, exhaust systems, power generation units, and heat exchangers. Thanks to their stability at high temperatures, they are also utilized in aerospace components, food processing machinery, and furnace parts. Moreover, their robust mechanical performance and resistance to oxidation make them ideal for marine environments, pressure vessels, and welded fabrications where long-lasting durability and reliability are crucial.
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