Aung Metals, a prominent manufacturer and supplier located in Naypyidaw, Myanmar, has built a solid reputation for crafting top-notch Stainless Steel 321H Round Bars and Rods. These bars are expertly engineered to provide exceptional resistance to intergranular corrosion and oxidation, even at high temperatures, ensuring they perform reliably in tough industrial settings. Aung Metals utilizes cutting-edge manufacturing processes and rigorous quality control measures to adhere to international standards. Offered in a range of sizes and finishes, these Stainless Steel 321H Round Bars and Rods are perfect for industries like chemical processing, petrochemicals, aerospace, and power generation, delivering durability, structural strength, and dependable performance in extreme heat and corrosive environments.
The composition of Stainless Steel 321H Round Bars and Rods includes chromium (17–19%), nickel (9–12%), carbon (0.08–0.10%), along with manganese, silicon, and titanium, which helps stabilize the alloy against carbide precipitation. These bars boast a tensile strength of about 515 MPa, a yield strength of around 205 MPa, and an elongation of 40%. They provide excellent mechanical stability at high temperatures, along with resistance to creep and oxidation, making them suitable for extended use in corrosive and elevated-temperature conditions without sacrificing durability.
Standard : 321H / 1.4878
Range : 3.17mm to 350mm dia
Designation : ASTM A276, ASME SA276
Finish : Bright, Black, Polish
Thickness: 4.0mm – 100mm
Type: Bar, Bright Bar, Black Bars, Hex Bar, Square Bar, Rods, Polish Bar, Forged Bar, Round Bar
Length : Random, Fix & Cut Length
| Grade | C | Mn | Si | P | S | Cr | Mo | Ni | N | Ti |
| 321H | 0.04 – 0.10 | 2 max | 0.75 max | 0.045 max | 0.03 max | 17 – 19 | 3 – 4 | 9 – 12 | – | 4xC min 0.60% max |
| Density | 8.0 g/cm3 |
| Melting Point | 1454 °C (2650 °F) |
| Tensile Strength | Psi – 75000 , MPa – 515 |
| Yield Strength (0.2%Offset) | Psi – 30000, MPa – 205 |
| Elongation | 35 % |
| Size (mm) | 10×10 | 12×12 | 16×16 | 20×20 | 25×25 | 32×32 | 40×40 | 50×50 |
|---|---|---|---|---|---|---|---|---|
| kg/m | 0.81 | 1.16 | 2.06 | 3.22 | 5.03 | 8.24 | 12.87 | 19.60 |
| Standard | SS 321H |
| UNS | S32109 |
| WERKSTOFF NR. / DIN | 1.4878 |
Yes, Stainless Steel 321H Round Bars and Rods can be used for natural gas applications. Their excellent resistance to high temperatures and corrosion makes them suitable for gas processing and pipeline systems.
Stainless Steel 321H Round Bars and Rods find extensive application in areas that demand heat resistance, corrosion protection, and mechanical reliability. They are ideal for creating heat exchangers, furnace components, pressure vessels, boiler tubes, and exhaust systems. These bars are widely used in chemical plants, petrochemical industries, power generation equipment, and aerospace components, where thermal stability and long-lasting durability are crucial. Additionally, Stainless Steel 321H Round Bars and Rods are utilized in the food processing and pharmaceutical sectors, where hygiene, oxidation resistance, and structural integrity are vital, ensuring consistent performance in challenging operational conditions.
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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