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Standard: API5L,API5CT, ASTM, JIS, DIN, EN, API, BS,AWWA,JZS Steel Grade: GR.A-GR.C,X40-X70,S235,S275JRH,S335JRH,L245-L485 (PSL1/PSL2 is available) Usuage:Low pressure deliverd: Water/gas/oil Piling Pipelines Coastal Construction