Starc Metals is a reliable manufacturer and supplier of Stainless Steel 347H Square Bars and Rods, proudly based in Canberra, Australia. Renowned for our precision, quality, and dependability, we deliver top-notch stainless steel products that align with international standards and meet our customers’ needs. Our Stainless Steel 347H Square Bars and Rods are highly esteemed for their outstanding corrosion resistance, exceptional high-temperature strength, and durability in tough industrial settings. By employing advanced manufacturing techniques and rigorous quality control, Starc Metals caters to industries like aerospace, chemical processing, petrochemical, and power generation, offering robust and long-lasting solutions that prioritize safety, efficiency, and remarkable performance in critical applications.
These Stainless Steel 347H Square Bars and Rods mainly consist of 17–19% chromium, 9–13% nickel, and 0.5–0.75% niobium/tantalum, with a controlled carbon content of 0.04–0.10% to boost high-temperature strength. This austenitic stainless steel is known for its excellent resistance to intergranular corrosion and oxidation at high temperatures. Its mechanical properties include a tensile strength ranging from 515–750 MPa, a yield strength of about 205–450 MPa, and a density of 8 g/cm³. The material also boasts good ductility, toughness, and weldability, making it ideal for demanding, long-term industrial 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 offer excellent high-temperature strength, resistance to intergranular corrosion, and superior weldability. They are ideal for applications in extreme environments, such as chemical processing and heat exchangers.
Yes, Stainless Steel 347H Square Bars are fully recyclable and retain their properties after recycling. This makes them an environmentally sustainable choice for various applications.
No, Stainless Steel 347H Square Bars are generally non-magnetic in their annealed condition. However, slight magnetism may develop after cold working.
Stainless Steel 347H Square Bars and Rods find extensive use in industries that require high-temperature strength and corrosion resistance. In the chemical and petrochemical sectors, they are utilized in heat exchangers, furnace components, and reactor vessels that come into contact with aggressive chemicals. The aerospace and power generation industries rely on them for turbine components, exhaust systems, and high-temperature machinery. They are also essential in marine applications, including offshore equipment and systems exposed to seawater. Furthermore, they are employed in boilers, superheaters, and industrial machinery where durability, heat resistance, and mechanical stability are crucial.
We provide products that come with both mill test certificates and third-party test certificates, ensuring the highest standards of quality and compliance.
Starc Metals is a leading manufacturer, supplier, and exporter of high-quality bars, rods, and forgings, catering to various industries in Canberra, Australia
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