MERIH STAINLESS, based in Istanbul, Turkey, stands out as a top manufacturer and supplier of high-quality stainless steel products, delivering effective solutions for various industrial needs. Their Stainless Steel 348H Bars are crafted to provide outstanding resistance against high-temperature oxidation, scaling, and corrosion. Renowned for their durability, stability, and reliability, these bars are produced under rigorous quality standards to comply with international norms. MERIH STAINLESS guarantees precision engineering, exceptional mechanical properties, and prompt delivery, making these bars perfect for demanding sectors like power generation, chemical processing, and aerospace, where long-lasting, high-performance stainless steel is essential.
Stainless Steel 348H Bars are crafted from a high-temperature austenitic stainless steel alloy, featuring around 20–25% chromium, 20–25% nickel, 0.04–0.10% carbon, along with trace amounts of manganese, silicon, and titanium. This unique blend provides remarkable resistance to oxidation, scaling, and thermal creep. In terms of mechanical properties, 348H Bars boast a high tensile strength of at least 515 MPa, a yield strength of about 205 MPa, and excellent creep rupture resistance at high temperatures. Their combination of toughness, high-temperature stability, and corrosion resistance makes them ideal for applications that face prolonged exposure to extreme heat and stress.
| 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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All Stainless Steel 348H Bars are thoroughly tested at Merih Stainless to ensure quality and performance. Our products are certified to the international standards and tested for mechanical strength, corrosion resistance, and high-temperature durability. We provide MTC, third-party inspection reports, and international specifications for assurance.
348H round bars offer high-temperature strength and corrosion resistance, ideal for aerospace, chemical processing, and nuclear applications requiring durability and reliable performance under extreme conditions.
348H flat bars provide excellent resistance to oxidation and intergranular corrosion, suitable for heat exchangers, boiler tubes, and furnace components in high-temperature industrial environments.
348H square bars are used in high-stress applications, offering superior strength and stability for structural components in aerospace, chemical, and nuclear industries.
348H rectangular bars deliver robust performance in high-temperature environments, ideal for critical components in chemical processing equipment, heat exchangers, and nuclear reactors.
348H hexagonal bars provide excellent mechanical properties and corrosion resistance, perfect for fasteners, fittings, and other components in demanding aerospace and industrial applications.
348H T-bars offer high strength and corrosion resistance, suitable for structural support in high-temperature environments such as chemical plants and power generation facilities.
Stainless Steel 348H Bars find extensive use in industries that demand exceptional high-temperature strength and corrosion resistance. They are perfect for components in boilers, heat exchangers, pressure vessels, and chemical reactors that operate under elevated temperatures. These bars are also utilized in power plants, petrochemical and refinery equipment, aerospace components, and furnace parts where thermal creep and oxidation pose significant challenges. Furthermore, 348H Bars are well-suited for manufacturing turbine components, ensuring reliability and performance in high-stress environments.
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