Description

They are separately used to calibrate various series of Hardness Testers.

Features and Use

  • Conforms to National standard ” calibration of hardness reference blocks”
  • Authorized by the General Administration of Quality Supervision, Inspection and Quarantine of the P.R.C.
  • High homogenization and good repeatability
Description Range of Hardness Dimensions (mm) Weight (kg)
Brinell standardized block 200±50HBS
100±25HBS
100 x 80 x 16 1
Rockwell standardized block 80-88HRA
85-95HRB
20-30HRC
35-55HRC
60-70HRC
60 x 40 x 10 0.19
Vickers standardized block 200±25HV5
450±50HV5
450±50HV10
450±50HV30
750±50HV10
60 x 40 x 10 0.19
Superficial Rockwell standardized block 89-91HR15N
42-50HR30N
75-80HR30N
37-61HR45N
87-93HR15T
70-82HR30T
60 x 40 x 10 0.19
Portable Brinell standardized block 200±50HBS 75 x 75 x 22 1
Hammer-hitting type Brinell standardized block 175-225HBS 150 x 12 x 12 0.17
Micro-Vickers standardized block 200-300HV0.05
200-300HV0.1
400-500HV0.1
400-500HV0.2
700-800HV0.2
700-800HV0.5
700-800HV1
Φ25 x 5 0.03
Leeb standardized block 790±40HLD Φ90 x 55 2.7
Shore standardized block 95±4HSD
60±4HSD
30±4HSD
65 x 52 x 15 0.39