HSRD-45 MOTOR-DRIVEN SUPERFICIAL ROCKWELL HARDNESS TESTER

HSRD-45 MOTOR-DRIVEN SUPERFICIAL ROCKWELL HARDNESS TESTER Feature & Use: * Frictionless loading shaft, high precision testing force * Automatic testing process, no human operating error * Precision conforms to the Standards of GB/T230.2, ISO 6508-2 and ASTM E18 It's suitable to determine the Superficial Rockwell hardness of ferrous metals, alloy steels and hard alloys, as well as treated layers of metal surface, such as carburized layer, nitrided layer and electroplated coating, etc.