Kyaw Stainless, a well-respected manufacturer and supplier located in Naypyidaw, Myanmar, is dedicated to crafting top-notch Stainless Steel 348H Bars. With a strong focus on precision engineering and ensuring customer satisfaction, the company produces bars that adhere to international standards for strength, durability, and oxidation resistance. Utilizing cutting-edge manufacturing techniques and high-quality materials, Kyaw Stainless guarantees reliability even in the toughest environments. Their Stainless Steel 348H Bars are particularly recognized for their outstanding stability at high temperatures, making them perfect for industries like chemical processing, power generation, and heat treatment, where top performance is crucial.
These bars are primarily made of iron, chromium (17–19%), and nickel (9–13%), with added niobium and a higher carbon content to enhance high-temperature strength. The alloy boasts excellent resistance to intergranular corrosion and oxidation, even when consistently exposed to elevated temperatures. With superior tensile and yield strength, good creep resistance, and remarkable ductility, Stainless Steel 348H Bars are ideal for applications that demand durability, thermal stability, and mechanical reliability in both high-pressure and corrosive settings.
| Grade | C | Mn | Si | P | S | Cr | Mo | Ni | N |
| SS 348H | 0.08 max | 2 max | 0.75 max | 0.045 max | 0.030 max | 17 – 19 | – | 9 – 13 | – |
| Density | Melting Point | Tensile Strength | Yield Strength (0.2%Offset) | Elongation |
| 8.0 g/cm3 | 1400 °C (2550 °F) | Psi – 75000 , MPa – 515 | Psi – 30000 , MPa – 205 | 35 % |
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Stainless Steel 348H Bars are applied in aerospace, chemical processing, and power generation industries owing to their great high-temperature corrosion and creep stress resistance. They are typically used in heat exchanger parts, furnace components, boiler tubes, and nuclear reactor uses. Moreover, their high strength and weldability also qualify them for the production of structural parts, shafts, and fasteners in high-pressure and high-temperature industrial conditions. Their thermal stability at high temperatures provides durability and reliability in harsh working conditions.
High-temperature strength and corrosion resistance, ideal for aerospace, chemical processing, and nuclear applications requiring durability and reliable performance under extreme conditions.
Provide excellent resistance to oxidation and intergranular corrosion, suitable for heat exchangers, boiler tubes, and furnace components in high-temperature industrial environments.
Used in high-stress applications, offering superior strength and stability for structural components in aerospace, chemical, and nuclear industries.
Robust performance in high-temperature environments, ideal for critical components in chemical processing equipment, heat exchangers, and nuclear reactors.
Excellent mechanical properties and corrosion resistance, perfect for fasteners, fittings, and other components in demanding aerospace and industrial applications.
High strength and corrosion resistance, suitable for structural support in high-temperature environments such as chemical plants and power generation facilities.
You’ll find Stainless Steel 348H Bars commonly used in heat exchangers, pressure vessels, boiler tubes, and furnace components, thanks to their exceptional heat resistance and structural integrity. In the chemical and petrochemical sectors, they’re utilized in reactor vessels, piping systems, and thermal processing equipment. Their resistance to oxidation also makes them a great fit for the aerospace and power generation industries. Moreover, Stainless Steel 348H Bars are essential in refineries and food processing sectors, where materials that can withstand high temperatures and corrosion are vital for maintaining performance and prolonging service life in challenging operating conditions.
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