... steel,including stainless steel, tool steel, die steel,bearing steel,etc. And in shapes, we provide steel round bar, steel square bar,steel flat bar, steel plate, steel sheet, steel coil, steel ... ,1.2738,1.2601,1.2379,1.6582,O1,NAK80,H13, D2,D3,4140,4340,42CrMo, SS400, S355,CK45, A36, Q345 ... detailed specifications when inquire.We will reply to you ASAP. Alloy Steel Plate 30CrMo