Aung Metals, a prominent manufacturer and supplier located in Naypyidaw, Myanmar, is known for its top-notch Super Duplex Steel Hex Bars. These bars are celebrated for their exceptional strength, durability, and resistance to corrosion, all thanks to advanced manufacturing techniques and rigorous quality control measures. Aung Metals is dedicated to delivering reliable, high-performance materials that adhere to international standards, catering to a variety of industries. With a strong emphasis on precision engineering, competitive pricing, and prompt delivery, Aung Metals has established itself as a trusted name in Myanmar’s metal sector, serving a wide range of clients in marine, oil, gas, and chemical industries.
Super Duplex Steel Hex Bars are made up of about 25% chromium, 7% nickel, 4% molybdenum, and nitrogen, creating a balanced dual-phase microstructure of austenite and ferrite. This distinctive composition boosts their resistance to pitting, crevice corrosion, and stress corrosion cracking. On the mechanical side, these bars showcase remarkable tensile strength (up to 800 MPa), high yield strength, and impressive toughness, even in freezing temperatures. The blend of outstanding corrosion resistance and mechanical strength makes Super Duplex Steel Hex Bars perfect for challenging industrial settings and high-pressure applications.
Standards : ASTM A276, ASTM A484, AISI
Grade : 201, 202, 301, 302, 303, 304, 304H, 304L, 316, 316H, 316L, 309, 309S, 310, 310S, 316Ti, 317, 317L, 347, 321, 321H, 410, 416, 420, 430, 430F, 431, 440C, 630, 17-4PH, F51
Range : from 2.00mm to 6.35mm (0.078″ to 0.25″)dia.
Tolerance : DIN 671, ASTM A484 & as per customer’s specific requirement.
Finish : Cold drawn, Centreless Ground, Polished
| Grade | Su | C | Si | P | Cr | Ni | M | Mo | Other |
|---|---|---|---|---|---|---|---|---|---|
| 316 | 0.030 max | 0.08 max | 0.75 max | 0.045 max | 16.0-18.0 | 10.0 14.0 | 2.00 max | 2.0 3.0 | – |
| 317L | 0.030 max | 0.035 max | 0.75 max | 0.045 max | 18.0-20.0 | 11.0 14.0 | 2.00 max | 3.0 4.0 | – |
| 304 | 0.030 max | 0.08 max | 0.75 max | 0.045 max | 18.0-20.0 | 8.0 11.0 | 2.00 max | – | – |
| 310 S | 0.030 max | 0.08 max | 1.5 max | 0.045 max | 24.0-26.0 | 19.0 22.0 | 2.00 max | 3.0 4.0 | – |
| 347 H | 0.030 max | 0.04 0.10 | 0.75 max | 0.045 max | 17.0- 19.0 | 9.0 13.0 | 2.00 max | – | 10C(Cb+Ta)<1.10% |
| 321 | 0.030 max | 0.08 | 0.75 max | 0.045 max | 17.0-20.0 | 9.0 12.0 | 2.00 max | – | 5C 0.70% |
| Grade | Tensile Strength | Yield Strength (0.2%Offset) | Density | Elongation | Melting Point |
|---|---|---|---|---|---|
| SS 303 | Psi – 85,000 | Psi – 45,000 | 55% | 50 % | Rb 180 |
| SS 202 | 515 MPa | 275 MPa | 8.0 g/cm3 | 40 % | 1454 °C |
| SS 304 | Psi – 75000 , MPa – 515 | Psi – 30000 , MPa – 205 | 8.0 g/cm3 | 40% | 1400 °C |
| SS 304L | Psi – 75000 , MPa – 515 | Psi – 30000 , MPa – 205 | 8.0 g/cm3 | 40% | 1400 °C |
| SS 316 | Psi – 75000 , MPa – 515 | Psi – 30000 , MPa – 205 | 8.0 g/cm3 | 35 % | 1454 °C |
| SS 316L | 485 Min | 170 Min. | 8.0 g/cm3 | 40 % | 1400 °C |
| Type | Peeled nd Ground | Cold Drawn and Polish | Peeled and Polished | Cold Drawn and Ground |
|---|---|---|---|---|
| Sizes (mm) | 20.00 – 50.00 | 3.00 to 75.00 | 40.00 – 150.00 | 10.00 to 75.00 |
| Sizes (inch) | 3/4 – 2.00 | 1/8 to3.00 | 1.50 – 6.00 | 5/6 to 2.50 |
| Tolerance | h9 to h11 | h8 to h11 | h11, h11-DIN 1013 | h8 to h11 |
| CD | CF | CG | BD | ST | P&T |
|---|---|---|---|---|---|
| Cold drawn | Cold finished | Centreless ground | Bright drawn | Smooth turned | Peeled and turned |
| P | HRAP | HF | SRE | PR | RT |
| Polished | Hot rolled annealed and pickled | Hot finished | Slit rolled edge | Peeled and reeled | Rough turned/peeled |
The typical lifespan of stainless steel forged bars varies based on usage, environment, and maintenance but generally lasts 20 to 50 years, with proper care, especially in corrosion-resistant conditions.
Yes, stainless steel forged bars and rods can be customized in size, including diameter, length, and shape, to meet specific requirements for various applications in industries like manufacturing and construction.
Stainless steel forged bars are considered environmentally friendly due to their recyclability, durability, and resistance to corrosion. They have a long lifespan, reducing the need for frequent replacements and minimizing waste.
These bars find extensive use in industries that require high strength and excellent corrosion resistance. Typical applications include marine and offshore engineering, desalination plants, oil and gas exploration, chemical processing, and heat exchangers. They are also employed in pump shafts, pressure vessels, valves, and structural components that face harsh or corrosive conditions. Thanks to their superb mechanical properties and resistance to chloride-induced corrosion, these bars are especially valuable in subsea equipment and pipelines. Their versatility and dependability make Super Duplex Steel Hex Bars a crucial material for essential industrial and engineering applications.






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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