... steel coil Grades description: Q235, SS400, Q345,SPHC, astm A36, A283, St37-2, S235JR The product has high strength,plasstidity,limited low ... inspection, weighing, packaging and logo etc) processing become steel, flat steel strip coil and longitudinal cutting products. They have been widely ... , mechanery, pressure vessel and other manufacturing industries Q345 grade steel coil low alloy carbon steel