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?ISO6506-1:1999,Metallic materials¡ªBrinell hardness test¡ªPart 1:Test method ISO6506-2:1999,Metallic materials¡ªBrinell hardness test¡ªPart 2:Verification and calibration of testing machines ISO6506-3:1999,Metallic materials¡ªBrinell hardness test¡ªPart 3:Calibration of reference blocks ISO6507-1:1997,Metallic materials¡ªVickers hardness test¡ªPart 1:Test method ISO6507-2:1997,Metallic materials¡ªVickers hardness test¡ªPart 2:Verification and calibration of testing machines ISO6507-3:1997,Metallic materials¡ªVickers hardness test¡ªPart 3:Calibration of reference blocks ISO6508-1:1999,Metallic materials¡ªRockwell hardness test¡ªPart 1:Test method(sacles A¡¢B¡¢C¡¢D¡¢E¡¢F¡¢G¡¢H¡¢K¡¢N¡¢T) ISO6508-2:1999,Metallic materials¡ªRockwell hardness test¡ªPart 2:Verification and calibration of testing machines(sacles A¡¢B¡¢C¡¢D¡¢E¡¢F¡¢G¡¢H¡¢K¡¢N¡¢T) ISO6508-3:1999,Metallic materials¡ªRockwell hardness test¡ªPart 3:Calibration of reference blocks(sacles A¡¢B¡¢C¡¢D¡¢E¡¢F¡¢G¡¢H¡¢K¡¢N¡¢T) ASTM E10 Test method for Brinell hardness of Metallic materials ASTM E18-03 Test methods for Rockwell hardness and Rockwell Superficial hardness of Metallic materials ASTM E92 Test method for Vickers hardness of Metallic materials |