hot dip galvanized steel pipe 1)Seamless carbon,hot dipped galvanized steel pipe,welded steel pipe,black&galvanized, Above is hot dip galvanized steel pipeOther Products Details:1)Round steel pipe:Size from 12mm to ... Sch10-40,ASTM A500,API5L.API5CT,DIN2440 and EN10219Material:Q195,Q235,Q345,SS400,S235JR,X42,X46,X52,X60,X65,X70 hot dip galvanized steel pipe