... pump, metal sheet bending & cutting machine, steel bar straightening, bending & cutting machines, tamping rammer ... kinds of common carbon steel, hot-rolled steel, screw steel, flat steel, square steel and angle steel in construction project. specificationTech ... . Info.GQ40GQ50GQ65Steel diameter Q235-A(Φ6~Φ40)mm(Φ6~Φ50)mm(Φ6~Φ65)mmMax.Spec of Flat Steel ...