| S32750: | ASME SA790/ ASTM A790 S32750 WELDED PIPE | SAF2507: | ASME SA790 / ASTM A790 SAF2507 WELDED PIPE |
|---|---|---|---|
| 1.4410: | ASME SA928 / ASTM A928 S32750 WELDED PIPE | S31803 WELDED PIPE: | ASME SA790/ ASTM A790 ASME SA928 / ASTM A928 |
| SAF2205 WELDED PIPE: | ASME SA790/ ASTM A790 ASME SA928 / ASTM A928 | S32760 WELDED PIPE: | ASME SA790/ ASTM A790 ASME SA928 / ASTM A928 |
| S32304 WELDED PIPE: | ASME SA790/ ASTM A790 ASME SA928 / ASTM A928 | S31500 WELDED PIPE: | ASME SA790/ ASTM A790 ASME SA928 / ASTM A928 |
| High Light: | super duplex， welded steel pipe | ||
Super Duplex Stainless Steel Welded Pipe， ASTM 790， ASME SA790 ， S31803 (SAF 2205) ， S32750 (SAF2507)， S32760(1.4501)
TONG CHUANG SPECIAL STEEL deal with Austenitic Stainless Steel， Nickel Alloy Steel(Hastelloy ， Monel， Inconel， Incoloy ) seamless and welded pipe and tube already more than 25 years， every year sell more than 80000 tons of steel pipe and tube. Our client already cover more than 45 countries， Like Italy， UK， Gernmany， USA， Canada， Chile， Colombia， Saudi Arabia， Korea， Singapore， Austrial， Poland， France ， ….And our group branch company and factory have been already approved by :ABS， DNV， GL， BV， PED 97/23/EC， AD2000-WO， GOST9941-81， CCS， TS， CNNC， ISO9001-2008， ISO 14001-2004.
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 |
Duplex Stainless Steel Pipe Application:
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
