Low alloy and high strength plate 1,Material:CortenB. 2,Specification:Thickness of 8-420mm. cutted any size Q345,Q390,Q420,Q460GB/T1591Makes mechanical device and other structural elements like drilling machine, power shovel, electricity drive wheel counter- mine trolley, mineral product automobile, excavator, car loader, bulldozer, each kind of hoist crane, coal mine hydraulic pressure support ...