2
Narrow testing space where work piece installed
Bearings and other parts
Cases which require the test result with normalized original recording
Material identification of the metal material warehouse
Quick tests of large range and multipoint measuring positions for heavy
workpiece
1.2.2 Testing Range
Testing range see table 1 and table 2.
Table 1
Material
Hardness
method
Impact device
D/DC
D+15
C
G
E
DL
Steel and
cast steel
HRC
17.9
~
68.5
19.3
~
67.9
20.0
~
69.5
22.4
~
70.7
20.6
~
68.2
HRB
59.6
~
99.6
47.7
~
99.9
37.0
~
99.9
HRA
59.1~85.
8
61.7
~
88.0
HB
127
~
651
80
~
638
80
~
683
90
~
646
83
~
663
81
~
646
HV
83
~
976
80
~
937
80
~
996
84
~
1042
80
~
950
HS
32.2
~
99.5
33.3
~
99.3
31.8
~
102.1
35.8
~
102.6
30.6
~
96.8
Hammered
steel
HB
143~650
Cold work
tool steel
HRC
20.4
~
67.1
19.8
~
68.2
20.7
~
68.2
22.6
~
70.2
HV
80
~
898
80
~
935
100
~
941
82
~
1009
Stainless
steel
HRB
46.5
~
101.7
HB
85
~
655
HV
85
~
802
Table 1