Galvanized steel pipe 1.hot dipped/electro galv. 2.OD:1/2"-8" ... .5-5.5mm 4..standard:GB,BS,EN,DIN,JIS,API,ASME,ASTM,ANSI hot dipped /elec. Galvanized welded steel pipe1.hot ... :1.5-5.5mm4.Standard:GB,BS,EN,DIN,JIS,API,ASME,ASTM,ANSI 5.Ends:PBE (plain and bevelled end); POE ...