Aung Metals, a prominent manufacturer and supplier located in Naypyidaw, Myanmar, has earned a solid reputation for crafting top-notch Stainless Steel 347H Hex Bars. These bars are engineered to provide outstanding resistance to corrosion, oxidation, and high-temperature stress, making them perfect for tough industrial settings. Aung Metals employs cutting-edge manufacturing methods and rigorous quality control to guarantee precision, durability, and adherence to international standards. Offered in a variety of sizes and finishes, the Stainless Steel 347H Hex Bars are widely utilized in industries that demand exceptional strength, stability, and performance in high-temperature conditions.
The composition of Stainless Steel 347H Hex Bars includes chromium (17–19%), nickel (9–13%), carbon (0.04–0.10%), along with manganese, silicon, and stabilizing niobium. The addition of niobium enhances resistance to intergranular corrosion and carbide precipitation during welding and thermal exposure. These bars boast a tensile strength of approximately 515 MPa, a yield strength of 205 MPa, and an elongation of 40%. Their remarkable mechanical stability, oxidation resistance, and creep strength make them ideal for high-temperature and corrosive service applications.
Dimensions : ASTM, ASME
Standard : ASTM / ASME SA A276, A479, ASTM A493
Length : Random, Fix & Cut Length
Size : 20MM to 150MM
| Element | C | Cr | Mn | Ni | P | S | Si |
| SS 347h | 0.08 max. | 17.0 – 19.0 | 2.00 max. | 9.0-13.0 | 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 |
| HEXAGONS | ||
|---|---|---|
| Size(mm) | WT PER FEET IN KGS | WT PER MTR IN KGS |
| 16 | 0.55 | 1.79 |
| 18 | 0.69 | 2.27 |
| 20 | 0.85 | 2.80 |
| 22 | 1.03 | 3.39 |
| 25 | 1.33 | 4.38 |
| 28 | 1.67 | 5.49 |
| 30 | 1.92 | 6.30 |
| 32 | 2.19 | 7.17 |
| 36 | 2.77 | 9.07 |
| 38 | 3.08 | 10.11 |
| 40 | 3.41 | 11.20 |
| 45 | 4.32 | 14.18 |
| 50 | 5.34 | 17.50 |
| 56 | – | – |
| 60 | – | – |
| 65 | – | – |
| 70 | – | – |
| 75 | – | – |
| 80 | – | – |
| 90 | – | – |
| 100 | – | – |
SS 347H stainless steel contains high carbon content (0.04–0.10%), along with chromium (17–19%) and nickel (9–12%), which enhance its resistance to high temperatures and intergranular corrosion. Its stabilizing addition of tantalum or niobium prevents carbide precipitation, making it ideal for high-stress applications like hexagonal bars.
The high carbon content in SS 347H enhances its high-temperature strength and resistance to creep, making it suitable for extreme heat environments. Unlike lower-carbon steels, it stabilizes its microstructure, preventing carbide precipitation and improving oxidation resistance, which is crucial for high-temperature applications compared to other stainless steels like 304 or 316.
SS 347H Hex Bar is commonly used in the aerospace, chemical processing, and power generation industries. It is preferred for its excellent high-temperature resistance, resistance to intergranular corrosion, and stability in harsh environments. Its ability to withstand extreme temperatures and prevent carbide precipitation makes it ideal for critical applications.
Stainless Steel 347H Hex Bars are widely used in sectors that require high-temperature strength and corrosion resistance. They are perfect for manufacturing components like heat exchangers, boiler parts, furnace equipment, and pressure vessels. These bars also play a crucial role in chemical processing, petrochemical, and power generation industries, where durability and oxidation resistance are vital. Furthermore, Stainless Steel 347H Hex Bars are employed in aerospace, marine, and refinery applications for parts that face extreme heat and corrosive environments, ensuring long-lasting performance and reliability.
We provide products that come with both mill test certificates and third-party test certificates, ensuring the highest standards of quality and compliance.
Aung Metals is a leading manufacturer, supplier, and exporter of high-quality bars, rods, and forgings, catering to various industries in Naypyidaw, Myanmar
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