Rockwell Hardness Tester can be used to test the surface Rockwell hardness of steel, alloy steel, hard alloy, electroplating layer and carburizing, nit riding, cyanide layer; It is an indispensable hardness measuring instrument in machinery, metallurgy and metrology department.
Manual testing process, no need for electric controlling .
It’s steady and reliable for testing of curved surface .
Precision conforms to the Standards of GB/T 230.2, ISO 6508-2 and ASTM E18 .
3.Main technical specifications :
Measurement Range: 20-88HRA, 20-100HRB, 20-70HRC
Test Force: 588.4, 980.7, 1471 Newton (60, 100, 150 kgf)
Sample permitted maximum height: 170 mm
The distance between pressure head center and the wall: 135 mm