Sahil Metals stands out as a reliable manufacturer and supplier based in Riyadh, Saudi Arabia, specializing in top-notch Stainless Steel 347 Flat Bars. These bars are crafted for exceptional durability, strength, and corrosion resistance. With a keen eye on precision and adherence to international standards, Sahil Metals is dedicated to meeting the diverse needs of various industries, including petrochemical, construction, power generation, and engineering. The Stainless Steel 347 Flat Bars are prized for their toughness, ability to resist intergranular corrosion, and stability under high temperatures, making them a go-to choice for demanding industrial applications.
These flat bars are austenitic stainless steels, containing 17–20% chromium and 9–13% nickel, with niobium added to enhance stabilization. This addition helps prevent carbide precipitation during welding or when exposed to high temperatures for extended periods, boosting their resistance to intergranular corrosion and oxidation. They boast impressive tensile strength ranging from 515–750 MPa, along with excellent yield strength and toughness. Stainless Steel 347 Flat Bars retain their mechanical properties even in high-temperature settings, ensuring they deliver reliability, durability, and performance in both thermal and structural 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.
You’ll find Stainless Steel 347 Flat Bars widely utilized in industries that demand strength, corrosion resistance, and durability at elevated temperatures. They’re commonly found in boilers, heat exchangers, furnace components, chemical processing plants, and power generation systems. Their outstanding oxidation resistance and capability to withstand intergranular corrosion make them ideal for petrochemical refineries and thermal processing tasks. Moreover, these flat bars are also employed in aerospace, marine, and construction projects where long service life, reliability, and high performance in extreme conditions are crucial. Their versatility guarantees consistent results across a variety of industrial sectors.
We provide products that come with both mill test certificates and third-party test certificates, ensuring the highest standards of quality and compliance.
Sahil Metals is a leading manufacturer, supplier, and exporter of high-quality bars, rods, and forgings, catering to various industries in Riyadh, Saudi Arabia
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