... concrete tranporting pump, metal sheet bending & cutting machine, steel bar straightening, bending & cutting machines, tamping rammer,floor polishing ... all kinds of common carbon steel, hot-rolled steel, screw steel, flat steel, square steel and angle steel in construction project. specificationTech. ... Angle Steel Q235-A(50×50)mm(63×63)mm Frequency32/min28/min40/minPower2.2KW4.0KW5.5 KWB, Portable ...