Mild Steel Flat Bar Used for making hoop iron,tools and machinery parts,and room frame structure and escalator in construction StandardAISI, ASTM, BS, DIN, GB, JIS ... : I-Beam, Channel, Angle, H-Beam, C-Beam, Galvanized Steel Coil, Hot Rolled Steel Plate, Cold Rolled Steel Plate, Mild Steel Plate, Structure Steel, difference kind of ...