Isis Metals is a trusted manufacturer and supplier of Stainless Steel 347 Rectangular Bars, proudly based in Manila, Philippines. We specialize in delivering top-notch stainless steel products that are built for strength, durability, and resistance to corrosion. Our Stainless Steel 347 Rectangular Bars are crafted from high-quality raw materials and cutting-edge manufacturing techniques, ensuring they perform exceptionally well in high-temperature and corrosive settings. These bars are known for their excellent weldability, oxidation resistance, and structural stability. At Isis Metals, we guarantee that every Stainless Steel 347 Rectangular Bar meets international standards, making them a go-to choice for the chemical, power generation, and engineering sectors.
Stainless Steel 347 Rectangular Bars are austenitic stainless steels that are stabilized with niobium (10×C–1%). They contain chromium (17–19%), nickel (9–13%), and a minimal amount of carbon (≤0.08%). This unique composition significantly boosts their resistance to intergranular corrosion and high-temperature oxidation. The material boasts a tensile strength of about 515 MPa, a yield strength of 205 MPa, and an elongation of 40%. With outstanding mechanical strength, thermal stability, and creep resistance, these bars are perfect for prolonged exposure to high temperatures without compromising their structural integrity.
| Grade | C≤ | Mn | P≤ | S≤ | Si≤ | Cr | Ni | Nb |
| 347 | 0.08 | 2.0 | 0.045 | 0.03 | 0.75 | 17.0-19.0 | 9.0-13.0 | 10*C-1.0 |
| Grade | Tensile, min, ksi[MPa] | Yield, min, ksi[MPa] | Elongation, %(min) | Hardness, HB(max) |
| 347 | 75【515】 | 30【205】 | 40 | 201 |
| STANDARD | WERKSTOFF NR. | UNS | JIS | GOST | EN |
| 347 | 1.4550 | S34700 | SUS347 | 08Ch18N12B | X6CrNiNb18-10 |
Yes, Stainless Steel 347 Rectangular Bars are designed to withstand high temperatures due to their excellent oxidation resistance and high-temperature strength. They are ideal for applications involving elevated temperatures, such as in aerospace and chemical processing.
Yes, Stainless Steel 347 Rectangular Bars are fully recyclable. Their high recyclability makes them an environmentally friendly option, as they can be reused without losing quality or performance.
The pressure rating of Stainless Steel 347 Rectangular Bars depends on factors such as size, thickness, and application. Generally, these bars are designed to withstand high pressure in demanding environments, but specific ratings should be confirmed based on the application's design codes and standards.
Stainless Steel 347 Rectangular Bars find their place in a variety of applications that demand high-temperature strength and corrosion resistance. They are perfect for heat exchangers, boiler components, exhaust manifolds, furnace parts, and equipment used in chemical processing. Thanks to their remarkable weldability and oxidation resistance, these bars are also utilized in petrochemical plants, aerospace, and power generation industries. Furthermore, they are well-suited for pressure vessels, refinery piping, and welded fabrication projects that operate under extreme heat conditions. The combination of durability and corrosion resistance makes them an excellent choice for these demanding applications.














We provide products that come with both mill test certificates and third-party test certificates, ensuring the highest standards of quality and compliance.
Isis Metals is a leading manufacturer, supplier, and exporter of high-quality bars, rods, and forgings, catering to various industries in Manila, Philippines
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