STANDARDIZED HARDNESS BLOCK

• Feature & Use

  . Conforms to National standard “calibration of hardness reference blocks”

  . Our company is the only standard hardness value delivery enterprise that is authorized by the General Administration of Quality Supervision, Inspection and Quarantine of the P.R.C.

  . High homogenization and nice repeatability

  
  

• Specifications

  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	200-300HV0.05 400-500HV0.1 400-500HV0.2 700-800HV0.2 700-800HV0.5 700-800HV1	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