1.no joints in each coil,all the edgesare well deburred, 2.high quality with competive price 3.anti-corrosion, packing straps. blued steel straps 1.material,Q195,Q215,Q235,Q345,2.Width,from 12.7mm to 32mm3.thickness, from0.36mm to 1.2mm4.general tensile,580-700n/mm2,elongation,3-5% high tensile 800-900n/mm2,elongation 4-7%5. ribbon wound or oscillated wound