BMS 200-RBOV
Operation
Rev:00
10 / 13
Manual
13 Test Method
Test Method
Indenter
Pre-
load
(kgf
Total
load
(kgf)
Field of application
HRA
Diamond
cone
10
60
Surface hardened parts with thin cases (≥0,4 mm)
HRB
1/16" ball
10
100
Non ferrous metals,unhardened steels
HRC
Diamond
cone
10
150
Hardnened steels
HRD
Diamond
cone
10
100
Surface hardnened parts with medium cases
HRE
1/8" ball
10
100
Aluminium amd magnesium alloys,antifriction
metals,synetic
metals
HRF
1/16" ball
10
60
Annealed cupper alloys,thin sheet metals (≥ 0,6 mm)
HRG
1/16" ball
10
150
Phospor-bronze,melleable iron of medium hardness
HRH
1/8" ball
10
60
Aluminium,zinc,lead,grinding stones
HRK
1/8" ball
10
150
Antifriction and other metals of very low hardness
HRL
1/4" ball
10
60
As HRK and hard rubber
HRM
1/4" ball
10
100
As HRK and HRL,laminated wood
HRP
1/4" ball
10
150
HRR
1/2" ball
10
60
HRK,HRL or HRM and syntetic materials
HRS
1/2" ball
10
100
HRV
1/2" ball
10
150
As HRK,HRL,HRM,HRP,HRR or HRS
HR 15 N
HR 30 N
HR 45 N
Diamond
cone
3
15
30
45
As HRA,HRC or HRD ,but especially thin case depth
(≥ 0,18 mm )
HR15T
HR30T
HR45T
1/16" ball
3
15
30
45
As HRB,HRF or HRG but especially for thin sheet metals
(≥ 0,25 mm )
HR15W
HR30W
HR45W
1/8" ball
3
15
30
45
HR15X
HR30X
HR45X
1/4" ball
3
15
30
45
For metals with very low hardness and for very thin
cases,for example thin linings of antifriction metals,HRX
and HRY especially for sintered metals
HR15Y
HR30Y
HR45Y
1/2" ball
3
15
30
45