English
Chinese
S31803, S32205, S32750, S31500
ASTM A790/A790M; ASME SA790/SA790M
OD 17.15～ 168.28mm
WT 1.65～2.11mm(Sch 5S)
WT 1.65～3.4mm(Sch 10S)
WT 2.31～7.11mm(Sch 40S)
WT 3.2～10.97mm(Sch 80S)
ASTM A789/A789M; ASME SA789/SA789M; GB/T 21833
OD 15.88～ 50.8mm
WT 0.89～4.0mm
ASTM A790/A790M; ASME SA790/SA790M
ASTM A789/A789M; ASME SA789/SA789M; GB/T 21833
| Duplex Stainless Steel Pipe and Tube | ||||
| Available Grade | Size | Standard | Application | |
| S31803, S32205, S32750, S31500 | ASTM A790/A790M; ASME SA790/SA790M OD 17.15～ 168.28mm WT 1.65～2.11mm(Sch 5S) WT 1.65～3.4mm(Sch 10S) WT 2.31～7.11mm(Sch 40S) WT 3.2～10.97mm(Sch 80S) ASTM A789/A789M; ASME SA789/SA789M; GB/T 21833 OD 15.88～ 50.8mm WT 0.89～4.0mm | ASTM A790/A790M; ASME SA790/SA790M ASTM A789/A789M; ASME SA789/SA789M; GB/T 21833 | The Duplex material is a kind of ferrite-austenitic duplex stainless steel, which is integrated conducive properties both of ferrite and austenitic and provided with higher intensity as well as tenacity; On the basis of high content of chrome and molybdenum, the duplex material is endowed with all sorts capability of corrosion; The duplex material possess low heat expanding while its conductivity is higher than austenitic stainless steel; The Duplex material owns good jointing property. Exchangers and pipelines used in the equipment of petroleum production, processing and transportation/ Crude oil, natural gas and sea water desalination/ chemicals processing and transportation equipment/ chloride solution processing, treatment and transportation/ Chemical tankers, oil tankers and water processing pipelines | |
