M-12MMitutoyo operates a policy of continuous improvement that aims to provide the customer with the benet of the latest technological advances.Therefore the company reserves the right to change any or all aspects of any product specication without notice.M-12Hardness Testing MachinesQuick Guide to Precision Measuring Instruments■Hardness Test Methods and Guidelines for Selection of a Hardness Testing MachineTest MethodMicro VickersMicro surface material characteristicsVickersRockwellRockwell SupercialDurometerRebound type portableBrinellShoreMaterialIC wafer●●Carbide, ceramics (cutting tool)▲●●Steel (heat-treated material, raw material)●▲●●●●●Non-ferrous metal●▲●●●●Plastic▲●●Grinding wheel●Casting●Sponge, rubber●ShapeThin metal sheet (safety razor, metal foil)●●●●Thin lm, plating, painting, surface layer (nitrided layer)●●small parts, acicular parts (clock hand, sewing-machine needle)●▲Large specimen (structure)●●●Metallic material conguration (hardness for each phase of multilayer alloy)●●Plastic plate▲▲●●Sponge, rubber plate●Inspection, judgmentStrength or physical property of materials●●●●●●▲●●Heat treatment process●●●●▲▲Carburized case depth●●Decarburized layer depth●●●Flame or high-frequency hardening layer depth●●●Hardenability test●●Maximum hardness of a welded spot ●Weld hardness●●High-temperature hardness (high-temperature characteristics, hot-workability)●Fracture toughness (ceramics)●●Key: ● Well-suited ▲ Reasonably suited


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