| Material: | UNS S31803 (2205 / 1.4462 | Type: | Straight Tube & U Bend Tube |
|---|---|---|---|
| Inspection: | ET， HT， UT ， PMI | Finish: | Pickled And Annealed |
| Thickness: | 0.1mm-60mm | Outer Diameter: | 6mm-630mm Or Customized |
| Length: | 3-6M Or As Customized | Applications: | Industry，construction，boiler，oil And Gas，Oil Gas Sewage Transport |
| High Light: | ASTM A790 Duplex， Straight Duplex， Austenitic Duplex | ||
ASTM A790 UNS S31803 (2205， 1.4462) Duplex Stainless Steel Seamless Round Pipe
TONG CHUANG GROUP has rich experience of manufacturing experience about Stainless / Duplex / Nickel Alloy / Copper Alloy Steel Tubes & Pipes， Fittings， Flanges， etc.. Our clients cover more than 70 countries around the world. We offer steel products with high quality.
Standards: ASTM/ASME A789/SA789， A790/SA790，A450，A530
Material: UNS S31803(Cr22Ni5Mo3/1.4462)/2205，UNS S32750(1.4410)，UNS S31500(Cr18NiMo3Si2)，
UNS32760(1.4501)
Chemical Composition:
| Grade | C max | Si max | Mn max | P max | S max | Cr | Ni | Mo | N |
| UNS S32750 | 0.030 | 0.8 | 1.2 | 0.030 | 0.015 | 24.0-26.0 | 6.0-8.0 | 3.0-5.0 | 0.24-0.32 |
| UNS S31803 | 0.030 | 1.0 | 2.0 | 0.020 | 0.020 | 21.0-23.0 | 4.5-6.5 | 2.5-3.5 | 0.08-0.20 |
| UNS S31500 | 0.030 | 1.0 | 1.2-2.0 | 0.030 | 0.030 | 18.0-19.0 | 4.5-5.5 | 2.5-3.5 | 0.05-0.10 |
Physical Properties:
| Grade | Y.S.MPa min | T.S.Mpa min | Elongation % | Hardness HRC |
| UNS S32750 | 550 | 800 | 15 | 20 |
| UNS S31803 | 450 | 620 | 25 | 20 |
| UNS S31500 | 440 | 630 | 30 | 20 |
Applications:
Chemical processing， Transport and Storage.
Oil and gas exploration and offshore rigs.
Oil and gas refining.
Marine environments.
Pollution control equipment.
Pulp and paper manufacturing
Chemical process Plant
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