... carbon steel manufacturer(Q235B,SS400,S235JR,ASTM A36,St37-2,Q345B,S355JR *Factory price Hot rolled mild angle steel ... carbon steel manufacturer (Q235B,SS400,S235JR,ASTM A36,St37-2,Q345B,S355JR ) Specification of the steel angle as below ... :Material: Q235B,SS400,S235JR,ASTM A36,St37-2,Q345B,S355JR Size: 25*25*3mm ~ 200*200*24mm ... steel manufacturer (Q235B,SS400,S235JR,ASTM A36,St37-2,Q345B,S355JR