Q235B flat bar 1.thickness:1.5-20mm 2.width:20mm-200mm 3.length:6m-12m 4.could do add boron Q235B flat bar 1.material:ss400,s235jr,q235b,a36.2.apply for : funiture,building,structure,car,equipment.3.advantage:we can do as your requirements about the thickness,width,length.also in order to cut your cost,We can add aboron.4.pictures: Q235B flat bar