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Standard Stainless Steel 2205 Duplex (UNS S32205) seamless and welded pipes are extensive engineered for oil and gas extraction, subsea piping systems, chemical process transport, marine cargo tanks, and wastewater treatment infrastructure. Its high strength capability allows engineers to design thinner wall pipe schedules, significantly reducing overall structural weight and material costs without compromising pressure ratings or corrosion safety.
| Product Form | Outer Diameter (OD) | Wall Thickness (WT) | Standard Length |
|---|---|---|---|
| Seamless Pipe (SMLS) | 10.3mm – 406.4mm (1/8" – 16") | 1.24mm – 40.49mm (SCH 10S – SCH 160) | 6m / 12m / Fixed Length |
| Welded Pipe (ERW / EFW) | 15.0mm – 1219.0mm (1/2" – 48") | 1.5mm – 30.0mm (SCH 5S – SCH 80S) | 6m / Cut-to-length |
| Heat Exchanger / Process Tube | 6.0mm – 76.2mm | 0.89mm – 6.0mm | Straight 6m / 12m / U-Bended |
| Element | Cr | Ni | Mo | N | C | Mn | Si | P | Fe |
|---|---|---|---|---|---|---|---|---|---|
| Min. | 22.0 | 4.50 | 3.00 | 0.14 | - | - | - | - | Bal. |
| Max. | 23.0 | 6.50 | 3.50 | 0.20 | 0.030 | 2.00 | 1.00 | 0.030 | Bal. |
| Tensile Strength Rm (MPa) | Yield Strength Rp0.2 (MPa) | Elongation A5 (%) | Hardness (HB) | Density (g/cm³) | PREN Index |
|---|---|---|---|---|---|
| ≥ 625 | ≥ 450 | ≥ 25 | ≤ 290 | 7.80 | 32 – 35 |
