Wind Tower Steel 1.Thickness:2-400mm 2.width:864-4020mm 3.material:Q345-C/D/E,Q390,Q420,Q500, S355-JO/J2/K2/NL, A572 Gr50/70, Wind Power Pole / Wind Power Steel plate1Thickness:2-400mm2Width:864-4020mm3Length:2000-23000mm4Material:Q345-C/D/E--Z15/Z25/Z35,Q390,Q420,Q500,S355-JO/J2/J2G3/K2/NL,A572-Gr50/70.5Table of Standard comparisons:GB/TISOROCTASTMJISDINEN10025Q345CE335DD(4951)345Gr50(345) ...