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Duplex 2205 Pipe is an advanced alloy composed of Chromium, molybdenum, and nickel. This material is widely utilized due to its superior corrosion-resistant properties compared to standard stainless steel. The presence of Ferrite in ASTM A790 Duplex Stainless Steel Welded Pipe significantly enhances its performance in aggressive corrosive environments.
| ASTM Specification | ASTM A790 / ASME SA790 |
|---|---|
| Welded Tube Size | 6.35 mm To 152 mm OD |
| Seamless Pipe Size | Wall thickness: 0.05 - 20 mm, OD: 4 - 219 mm |
| Pipe Schedule | SCH10, SCH20, SCH40, SCH80, SCH160, XXS, etc. |
| Finish | Annealed & Pickled (AP), Bright Annealed (BA), Polished, Mirror Finish |
| End Connections | Beveled End, Plain End, Screwed/Threaded |
| Applications | Oil & Gas, Petrochemical, Dairy, Heat Exchangers, Boilers |
| Cr | Ni | Mo | C | N | Mn | Si | Fe |
|---|---|---|---|---|---|---|---|
| 22.0-23.0 | 4.50-6.50 | 3.00-3.50 | .030 Max | 0.14-0.20 | 2.00 Max | 1.00 Max | Balance |
| Pipe Size (in) | Diameter (in) | Internal Area (in2) | Weight (kg/m) |
|---|---|---|---|
| 1/8 | 0.405 | 0.006 | 0.036 |
| 1/4 | 0.540 | 0.010 | 0.063 |
| 1/2 | 0.840 | 0.030 | 1.026 |
| 1 | 1.315 | 0.086 | 2.050 |
| 2 | 2.375 | 3.036 | 5.043 |
| 4 | 4.500 | 12.073 | 16.006 |
