Kanish Metals stands out as a reliable manufacturer and supplier of Stainless Steel 347H Flat Bars in Dubai, UAE. They offer top-notch products specifically designed to thrive in high-temperature and corrosive environments. This particular grade of stainless steel, 347H, is niobium-stabilized and has a higher carbon content compared to 347, which gives it exceptional creep and stress-rupture resistance when the heat is on. The flat bars crafted from this material are known for their durability, precision, and long-lasting reliability, making them perfect for critical industrial applications. Thanks to their advanced manufacturing techniques, rigorous quality control, and prompt delivery, Kanish Metals has built a solid reputation as a trusted supplier of Stainless Steel 347H Flat Bars across various industries in the region.
These flat bars are made up of 17–19% chromium, 9–13% nickel, and niobium, which helps prevent carbide precipitation during high-temperature use. They boast a tensile strength of around 515 MPa, a yield strength of 205 MPa, and an elongation of 40%. The increased carbon content not only enhances creep resistance but also ensures excellent mechanical stability and performance in high-temperature situations. With outstanding oxidation resistance and durability, these flat bars are well-suited for tough operating conditions where a long service life is crucial.
Dimensions : ASTM, ASME
Standard : ASTM / ASME SA A582, A276, A564, ASTM A484, 484M
Surface : hrap, hot rolled pickled or sand blasting finished, cold drawn, polished, hairline
Range : Range – 3.17mm to 350mm dia
| Element | C | Cr | Mn | Ni | P | S | Si |
| SS 347 | 0.08 max. | 17.0 – 19.0 | 2.00 max. | 9.0-13.0 | 0.045 max. | 0.03 max. | 0.75 max. |
| SS 347H | 0.04 – 0.10 | 17.0 – 19.0 | 2.00 max. | 9.0-12.0 | 0.045 max. | 0.03 max. | 0.75 max. |
| Element | Density | Melting Range,℃ | Tensile Strength | Yield Strength | Elongation | Hardness (Brinell) |
| SS 347H | 7.96 | 1450 ℃ | 515 | 205 | 40 | 201 |
| STANDARD | WERKSTOFF NR. | UNS |
| SS 347 | 1.4961 | S34700 |
| SS 347H | 1.4550 | S34709 |
The primary alloying element in Stainless Steel 347H is niobium (Nb), which stabilizes the material against carbide precipitation during welding and high-temperature exposure. This enhances its resistance to intergranular corrosion and improves its overall high-temperature strength.
Stainless Steel 347H is most suitable for applications in the temperature range of 800°C to 1500°F (427°C to 815°C). This range allows it to maintain its strength, corrosion resistance, and stability, particularly in high-temperature environments like furnaces.
Typical dimensions of a Stainless Steel 347H flat bar range from 0.25 inches (6 mm) to 6 inches (150 mm) in thickness and 1 inch (25 mm) to 12 inches (300 mm) in width. Custom sizes are also available.
Stainless Steel 347H Flat Bars find their place in industries that demand high-temperature strength, corrosion resistance, and dimensional stability. They are perfect for applications like boiler tubes, furnace components, heat exchangers, chemical processing equipment, pressure vessels, and petrochemical plants. Their ability to resist intergranular corrosion after welding makes them ideal for welded assemblies that face prolonged high-temperature service. Additionally, they are utilized in aerospace, power generation, and marine settings. With a reliable mix of strength, durability, and heat resistance, Stainless Steel 347H Flat Bars ensure optimal performance in essential engineering and industrial applications.
We provide products that come with both mill test certificates and third-party test certificates, ensuring the highest standards of quality and compliance.
Kanish Metals is a leading manufacturer, supplier, and exporter of high-quality bars, rods, and forgings, catering to various industries in Dubai, UAE
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