1)api 5l gr.b sch 40 2)OD:1/2"-48" 3)WT: ... or as customers’ requirementApplicationsPetroleum, chemical, power, gas, metallurgy, shipbuilding, construction,nuclear,etcMin order1 pieceDelivery ... advance , the balance against with the copy of B/L) Equipment Quality Control: Our products ... sprial welded steel pipe (SSAW),seamless steel pipe (SMLS) ,and LSAW pipe! The sizes: Pipe fittingType:elbows, reducers ...