... Description Specifications of Hot Rolled Steel Plate:Carbon Structural Steel Plate:1)Grade:Q235-A,B,C,D2)Specifications:5-120x1500-3660xL3)Standard ... Steel Plate:1)Grade:Q235 A,B Q345 A,B,C,D,E Q390 A,B,C,D,E Q420 A,B,C,D ... ,E Q460 C,D,E 2)Specifications:3)Standard:GB/T3274-1988Carbon steel heavy plate for medium/low ...