Hot Dipped Galvanized Seamless Steel Pipe 1.Standard:ASTM A106,A53,GB/T8162,GB/T8163 ... 12-914mm 3.WT:2-60mm Hot Dipped Galvanized Seamless Steel Pipe1.Standard: ASTM A106,ASTM A53,EN10255,GB/T8162, ... : oiled, varnished, black-painted, galvanized, 3PE anti-corrosion, etc6.Pipe ends: 1). plain end 2). bevelled end 3). both ends ... or according to your requirement. Hot Dipped Galvanized Seamless Steel Pipe