Material:A, B, D, A32, D32, E32, F32; Thickness: 8- ... :A36 D36 E36 F36, A40 D40 E40 F40Thickness: 8-100mmMaterial:A, B, D, A32, D32, E32, F32; Thickness: 8 ... -80mm The steel structure can be made acoording to your requirment ,whatevrer the materilas , color , types specification, ... all in the international standard line . If you want to build houses , please contact me and i am very pleased ...