Cold Drawn Square Bar Diameter:5mm-80mm Lengh:4-12M Material:Q235,45#,40Cr, ... : Ø4mm-80mmLengths: 4-12m; other lengths can be customizedSquare steel bar:Description:1. Grade: 195, Q235, 45# etc.2. Dimensions: 5 ... as your requirements4. Usage: these products are widely used for machine-made industry,chemical industry,spin,shipping industry, architecture,food industry ...