Mourad Metals stands out as a top-notch manufacturer and supplier located in Tunis, Tunisia, with a focus on high-quality Stainless Steel 347 Flat Bars. This company has built a solid reputation for providing stainless steel products that adhere to international standards, boasting exceptional corrosion resistance, durability, and precise dimensions. Thanks to their state-of-the-art production facilities and a talented team, Mourad Metals caters to a diverse array of industries, including industrial, commercial, and engineering sectors. Their dedication to accuracy, prompt delivery, and competitive pricing has made them a go-to choice for clients in need of dependable stainless steel solutions for challenging applications.
Stainless Steel 347 Flat Bars are primarily made up of chromium (17–19%), nickel (9–13%), and a touch of niobium, which helps stabilize the steel and prevents carbide precipitation. This unique alloy offers remarkable resistance to intergranular corrosion, particularly after welding, while also maintaining impressive mechanical strength and toughness. The 347 flat bars are known for their good ductility, tensile strength, and hardness, along with reliable performance in high-temperature settings, making them perfect for heavy-duty and long-lasting applications.
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 347 | 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 347 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 347 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 347 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.
These Stainless Steel 347 Flat Bars find their way into various applications that demand outstanding corrosion resistance and strength at elevated temperatures. You’ll often see them in chemical processing equipment, heat exchangers, pressure vessels, furnace components, and architectural projects. They’re also widely used in the food processing, petrochemical, and marine industries due to their durability and resistance to oxidation. The blend of mechanical reliability and corrosion resistance makes 347 flat bars an excellent choice for structural, high-temperature, and industrial applications that require a long service life.
We provide products that come with both mill test certificates and third-party test certificates, ensuring the highest standards of quality and compliance.
Mourad Metals is a leading manufacturer, supplier, and exporter of high-quality bars, rods, and forgings, catering to various industries in Tunis, Tunisia
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