The Shore Scleroscope for Measuring Hardness of Metals

55 hard 80 hard alloy steels annealed applied to Free Babbit Metal bending brass brittle BRONZE bulb carbon tool steels carburizing cast cementation chilled chrome nickel steel cold rolled Cross Mark shows crystallization curve charts decarbonized Degrees of Flexure depth of hardening deterioration determine carbon content drop hammer ductility elongation Faht FIGURE fracture gears glass tube hardened steel hardness measurements hardness number heat treated heat treatment high carbon steels high hardness high speed steel higher highest hardness increase indicates instrument Load in Pounds low carbon steels machines MAGNIFIER HAMMER manganese manufacturers Mark shows Elastic material mild steel milling cutters obtained over-heated permanent set pieces plain carbon steel Pounds applied prescribed hardness pressure properties pyrometer quenched readings rebound resist the file resistance to wear scale SCLEROSCOPE HARDNESS scleroscopes Send screw shows Elastic Limit spring standard steel hardened strength surface temper drawing tough tungsten universal hammer usually valve vanadium steel