hot rolled flat bar Grade:Q195,Q235 Size:10*2mm-200*16mm; length---6/12m hot rolled flat bar Description:a kind of steel with a rectangle sectionf steel with a rectangle section and 12-300mm width,4-60mm thickness Grade: Q195,Q235. Size: 10*2mm-200*16mm; length---6/12m. Use: shipbuilding, electric power transmission, machinery manufacturing, steel structure, boiler..