GB Standard Round Bar is a kind of metal material with high strength and corrosion resistance.Usually used in construction, machinery, ships and other industries. In the construction industry, steel rods can be used to reinforce concrete structures such as stairs, Bridges, floors, etc. Steel rods can also be used to make mechanical parts, such as bearings, gears, bolts, etc. In addition, steel rods can also be used in foundation engineering, tunnel engineering, water conservancy engineering and so on.