Latham Steel, located in Hamilton, New Zealand, has built a solid reputation as a reliable manufacturer and supplier of Stainless Steel 347 Rectangular Bars. These bars are crafted with high-quality materials designed for strength, durability, and resistance to corrosion. The unique formulation of Stainless Steel 347, which includes niobium, offers outstanding protection against intergranular corrosion, making it a top choice for high-temperature and demanding environments. Latham Steel takes pride in ensuring that every rectangular bar adheres to strict international standards, providing dependable, precise, and long-lasting solutions for industries like chemical processing, petrochemical, aerospace, and power generation.
When it comes to composition, Stainless Steel 347 Rectangular Bars typically contain around 17–19% chromium, 9–13% nickel, along with trace amounts of niobium and carbon. The niobium stabilization is particularly beneficial as it prevents carbide precipitation during welding or exposure to high temperatures, which enhances resistance to intergranular corrosion. On the mechanical side, these bars boast a tensile strength ranging from 515 to 750 MPa, a yield strength between 205 and 450 MPa, and impressive elongation, coupled with good toughness and stability under thermal stress. These characteristics make them ideal for structural, high-temperature, and high-performance applications.
| 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.
You’ll find Stainless Steel 347 Rectangular Bars in a variety of applications, including furnace components, heat exchangers, turbine parts, chemical processing equipment, and architectural structures that face high temperatures or corrosive conditions. Their blend of strength, corrosion resistance, and thermal stability guarantees long-term reliability, low maintenance, and consistent performance. Engineers and manufacturers often turn to 347 rectangular bars for critical applications that demand high-performance stainless steel capable of enduring tough operational conditions.
We provide products that come with both mill test certificates and third-party test certificates, ensuring the highest standards of quality and compliance.
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