Changzhou Joyruns Steel Tube CO.,LTD
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ASME SA790 Duplex Steel S31803 Cold drawing Condenser tube
Duplex Steel UNS S31803 Pipes are used in various industries like chemical processing, transport and storage, Oil and Gas exploration and processing equipment, Marine and other high chloride environments, Pulp and paper digesters, liquor tanks and paper machines.
Duplex S31803 Pipes & Tubing Chemical Composition
Grade | C | Mn | Si | P | S | Cr | Mo | Ni | N | Fe |
Duplex UNS S31803 | 0.030 max | 2.00 max | 1.00 max | 0.030 max | 0.020 max | 22.0 – 23.0 | 3.0 – 3.5 | 4.50 – 6.50 | 0.14 – 0.20 | 63.72 min |
Ferritic Stainless Steel S31803 Pipe and Tubes Mechanical Properties
| Element | Density | Melting Point | Tensile Strength | Yield Strength (0.2%Offset) | Elongation |
| Duplex UNS S31803 | 7.8 g/cm3 | 1350 °C (2460 °F) | Psi – 116000 , MPa – 800 | Psi – 80000 , MPa – 550 | 15 % |
Duplex Steel UNS S31803 Pipes & Tubes Equivalent Grades
| STANDARD | WERKSTOFF NR. | UNS |
| Duplex UNS S31803 | 1.4462 | S31803 |
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