Adam Stainless is your go-to source for top-notch **Stainless Steel 348H bars** right from Canberra, Australia. These bars are crafted for outstanding strength, heat resistance, and corrosion performance. Each bar is manufactured with precision to meet international standards, guaranteeing excellent dimensional accuracy, a smooth finish, and consistent mechanical properties. When it comes to high-temperature and corrosive environments, Stainless Steel 348H bars from Adam Stainless are the perfect choice, offering reliable performance and a long service life in even the toughest industrial applications.
Stainless Steel 348H is a high-carbon variant of grade 348, featuring around 18% chromium, 8–11% nickel, along with small amounts of niobium (columbium) and tantalum. The increased carbon content boosts creep strength and stability at high temperatures, while niobium helps prevent carbide precipitation and enhances resistance to intergranular corrosion. On the mechanical side, Stainless Steel 348H boasts a tensile strength of about 515–620 MPa and a yield strength of around 205 MPa, with impressive oxidation resistance up to 900°C and good toughness.
| 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 Adam 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.
These Stainless Steel 348H bars find their place in a variety of industries, including **chemical processing, power generation, aerospace, petroleum refining, and heat treatment**. They are particularly well-suited for **boiler components, heat exchangers, furnace parts, and high-temperature structural assemblies**, where strength and corrosion resistance are crucial. With Adam Stainless’s Stainless Steel 348H bars, you can count on dependable performance even under extreme thermal and mechanical stress, ensuring durability, efficiency, and reliability in critical industrial operations.
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