We are leading Manufacturer, Supplier and Exporter of Duplex Steel UNS S31803 Pipes & Tubes. These pipes & tubes are available in various grades, specification, size & thickness to our clients requirement . These pipes & tubes are used in various these application industry like oil refineries, chemical plants, power industry, industrial machinery and cement industry. These pipes are highly appreciated among the clients for their smooth finishing, durability, dimensional accuracy and corrosion resistance. We offer these pipes & tubes to our clients at market leading price.
| Standard | : | ASTM A790 / ASME SA790 UNS S31803, S32205, S32550, S32750, S32760 |
| Materials | : | ASTM A815 – UNS S31803 |
| Size | : | 1/2"NB TO 12 "NB IN |
| Seamless Pipes & Tubes Sizes | : | 1/2” NB - 8” NB |
| Welded Pipes & Tubes Sizes | : | 6” NB - 24” NB |
| Thickness | : | 0.5-45mm |
| Outer Diameter | : | 6.0-630mm |
| Dimensions | : | OD(6.0-630)*WT(0.5-45)mm |
| Schedule | : | SCH20, SCH30, SCH40, STD, SCH80 |
| Type | : | Welded / Fabricated / Seamless |
| Length | : | Single Random, Double Random & Cut Length. |
| STANDARD | WERKSTOFF NR. | UNS |
| Duplex 2205 | 1.4462 | S31803 |
| Ni | Cr | Mo | Mn | Si | C | N | S | P | Fe | |
| MIN | 4.5 | 22.0 | 3.0 | - | - | - | 0.14 | - | - | - |
| MAX | 6.5 | 23.0 | 3.5 | 2.0 | 1.0 | 0.03 | 0.2 | 0.02 | 0.03 | Balance |
| Nominal pipe size up to 4 = ± 0.79 mm | 5 thru 8 = + 1.58 mm / - 0.79 mm 10 thru 18 = + 2.37 mm / - 0.79 mm | 20 thru 24 = + 3.18 mm / - 0.79 mm |
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| Wall Thickness All Diameters = - 12.5% + tolerance not specified |
Length + 6.40 mm / - 0 mm |
Weight Weight = + 10% / - 1.5% |
