Phehlukwayo Metal, located in Cape Town, South Africa, is a reputable manufacturer and supplier of top-notch Stainless Steel 347H Square Bars and Rods. These products are celebrated for their remarkable high-temperature strength, resistance to corrosion, and overall durability, making them perfect for tough industrial and engineering tasks. Phehlukwayo Metal prides itself on precision manufacturing, strict quality control, and compliance with international standards, ensuring that their products deliver reliability, accurate dimensions, and long-lasting performance. Their Stainless Steel 347H Square Bars and Rods are particularly suited for components that face extreme heat and corrosive conditions, which is why they’re commonly found in industries like aerospace, chemical processing, power generation, and petrochemicals.
The composition of Stainless Steel 347H Square Bars and Rods mainly includes iron, along with 17–19% chromium, 9–13% nickel, 0.04% carbon, and trace amounts of columbium (niobium) and tantalum for stabilization. This austenitic stainless steel is known for its exceptional high-temperature strength, outstanding corrosion resistance, and good weldability. In terms of mechanical properties, 347H Square Bars and Rods boast a tensile strength ranging from 600 to 850 MPa, along with high yield strength and excellent ductility. Their unique blend of toughness, thermal stability, and oxidation resistance makes them ideal for high-temperature and corrosive environments.
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.
These Stainless Steel 347H Square Bars and Rods are extensively utilized in creating furnace components, heat exchangers, boiler tubes, chemical processing equipment, and parts for the aerospace sector. Their ability to resist high-temperature corrosion makes them a go-to choice for power generation facilities, petrochemical industries, and industrial machinery that operate under extreme heat and oxidizing conditions. Additionally, they are used in structural and mechanical applications where stability, strength, and a long service life are essential. Phehlukwayo Metal’s Stainless Steel 347H Square Bars and Rods ensure reliable performance, exceptional durability, and consistent quality.
We provide products that come with both mill test certificates and third-party test certificates, ensuring the highest standards of quality and compliance.
Phehlukwayo Metals is a leading manufacturer, supplier, and exporter of high-quality bars, rods, and forgings, catering to various industries in Cape Town, South Africa
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