Description: 1) Material: Q235B, Q345B, SS400, A36, A572, A992 Gr50, S235JRG2, S235JR, S275JR or JO ... -made each kind of material and the specification according to customer requestDescription:1) Material: Q235B, Q345B, SS400, A36, A572, A992 Gr50, S235JRG2 ...