... ,good service. We have all kinds of Q345B steel coils.The detailed specifications of Q345B steel coils.We are professional in selling ... steel alloy steel and stainless steel,the standard are BS,GB,ASTM,JIS,DIN,SY.We have successfully passed ISO9001 and ... .5mmMaterialQ195,Q215,Q235,20#,30#,45#StandardAISI,ASTM,BS,DIN,GB,JISTechniquehot rolled,cold drawn,coatedUsageWidely used in structural industries ...