Al Summan Metals, a highly regarded manufacturer and supplier based in Dubai, UAE, is recognized for its premium Stainless Steel 347H Square Bars and Rods. These bars are purpose-built to deliver exceptional resistance to corrosion, oxidation, and elevated temperatures. Al Summan Metals prides itself on accurate manufacturing methods, thorough quality inspection, and adherence to international standards, guaranteeing that their products are long-lasting and robust. The Stainless Steel 347H Square Bars and Rods are available in a range of dimensions and finishes, making them ideal for sectors such as chemical processing, power generation, petrochemicals, and construction, where dependability and performance matter most.
These bars consist of chromium (17–19%), nickel (9–13%), carbon (0.04–0.10%), together with manganese, silicon, and stabilizing niobium. Including niobium improves resistance to intergranular corrosion and aids in preventing carbide precipitation during welding and exposure to heat. Offering a tensile strength of roughly 515 MPa, a yield strength of about 205 MPa, and an elongation of 40%, these bars exhibit outstanding creep strength, thermal stability, and mechanical durability, which makes them highly suitable for high-temperature 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
Size: Tolerance: H8, H9, H10, H11, H12, H13K9, K10, K11, K12
| Element | C | Cr | Mn | Ni | P | S | Si |
| 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 347H | 1.4550 | S34709 |
| SQUARES | ||
|---|---|---|
| Size(mm) | WT PER FEET IN KGS | WT PER MTR IN KGS |
| 16 | 0.62 | 2.05 |
| 18 | 0.79 | 2.59 |
| 20 | 0.76 | 2.49 |
| 22 | 1.18 | 3.87 |
| 25 | 1.52 | 5.00 |
| 28 | 1.91 | 6.27 |
| 30 | 2.19 | 7.20 |
| 32 | 2.50 | 8.19 |
| 36 | 3.16 | 10.37 |
| 38 | 3.52 | 11.55 |
| 40 | 3.90 | 12.80 |
| 45 | 4.94 | 16.20 |
| 50 | 6.10 | 20.00 |
| 56 | 7.65 | 25.08 |
| 60 | – | – |
| 65 | – | – |
| 70 | – | – |
| 75 | – | – |
| 80 | – | – |
| 90 | – | – |
| 100 | – | – |
Stainless Steel 347H Square Bars deliver outstanding strength at high temperatures, protection against intergranular corrosion, and excellent weldability. They are well-suited for use in harsh conditions, including chemical processing and heat exchangers.
Yes, Stainless Steel 347H Square Bars can be completely recycled and keep their characteristics after the recycling process. This makes them an eco-friendly, sustainable option for a range of applications.
No, Stainless Steel 347H Square Bars are typically non-magnetic when in their annealed state. That said, minor magnetism can arise following cold working.
Stainless Steel 347H Square Bars and Rods are frequently employed in sectors that require outstanding strength and resistance to corrosion under high temperatures. They are ideal for manufacturing parts such as pressure vessels, heat exchangers, furnace components, boiler tubes, and exhaust systems. These bars also serve refineries, chemical plants, and power generation facilities thanks to their capacity to withstand thermal stress. In addition, they are well suited for aerospace, marine, and construction applications where lasting stability, weldability, and oxidation resistance are essential for efficient and dependable performance.
We supply products accompanied by both mill test certificates and third-party test certificates, guaranteeing the highest standards of quality and compliance.
Al Summan 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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