steel bar heating machine, steel bar heating equipment Application of steel bar heating machine/equipment:A. Heating (hot forging, hot ... pieces. Detail applications are stated as follows: 1. Quench for various hardware and tools, such as plier, wrench, hammer, ... ax, screwing tools and shear (orchard shear).2.Quench for various automobile and motorcycle fittings, such as crankshaft, connecting rod ...