... and high strength plate 1,Material:CortenB. 2,Specification:Thickness of 8-420mm. cutted any size Q345,Q390,Q420,Q460GB/T1591Makes ... , the general construction and each kind of project machinery, like the mine and each kind of project construction.12Mn,15MnVN,16Mn,15MnVGB1591Q295(A,B ...