... ,channel steel,square bar 2,punch holes 3,notch iron worker, hydraulic ironworker, steel iron workersVarious metal plate,squarebar,Round bar,angle,channel ... )7°8°8°8°Sheraing size of one stroke(mm)16*2508*40020*33010*48025*33016*60030*35520*600Ram stroks(mm ... *14150*150*18110*110*14300*126*9300*85*7.5 iron worker