Ahmed Sheets and Plates, located in Safat, Kuwait, stands out as a top-notch manufacturer and supplier of high-quality stainless steel products, including their renowned Stainless Steel 347H Flat Bars. The company has built a solid reputation for its precision, durability, and unwavering commitment to quality, ensuring that their materials consistently meet international standards. Thanks to their advanced manufacturing techniques, rigorous quality control, and prompt delivery, Ahmed Sheets and Plates caters to various industries, including chemical, marine, construction, and engineering. Their 347H flat bars are particularly prized for their remarkable high-temperature strength, corrosion resistance, and long-lasting performance, making them perfect for demanding industrial and structural applications.
Stainless Steel 347H Flat Bars are crafted from an austenitic stainless steel alloy that’s stabilized with niobium, which helps prevent chromium carbide formation and boosts resistance to intergranular corrosion. The “H” in the name signifies a higher carbon content, which translates to superior tensile strength, creep resistance, and durability even at elevated temperatures. This alloy is rich in chromium, nickel, and niobium, providing outstanding mechanical properties like toughness, ductility, and stability at high temperatures. These flat bars are designed to maintain their structural integrity, resist scaling, and deliver reliable performance in tough industrial, marine, and high-temperature settings.
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.
You’ll find Stainless Steel 347H Flat Bars widely utilized in industries that demand exceptional strength, heat resistance, and corrosion protection. They’re commonly used in chemical processing equipment, heat exchangers, pressure vessels, boilers, marine components, and power generation machinery. Additionally, they’re well-suited for petrochemical plants, aerospace applications, and high-temperature structural projects where long-term durability is essential. Engineers and fabricators trust 347H flat bars for their excellent weldability, creep resistance, and extended service life. Ahmed Sheets and Plates guarantees that their 347H flat bars adhere to strict industrial standards, providing reliable solutions for their clients.
We provide products that come with both mill test certificates and third-party test certificates, ensuring the highest standards of quality and compliance.
Junaid Metals is a leading manufacturer, supplier, and exporter of high-quality bars, rods, and forgings, catering to various industries in Manama, Bahrain
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