HK-D_HK-DB-BA-e-2020
5
2.2 General application and test area
General application
•
for assembled machine parts and permanently installed parts
•
Measuring at recesses of moulded parts
•
Heavy work objects
•
Fault analysis of pressure boilers, steam generators and other equipment
•
In a narrow, difficult to access test area where the work item is installed
•
Guide bearings and other parts
•
Material identification of the metal type
Fast tests on a large scale and various measuring positions for heavy work objects
Test area
Table 1
Material
Hardnes
s
method
D/DC
D+15
C
G
DL
Steel and
Cast steel
HRC
17.9
~
68.5 19.3
~
67.9 20.0
~
69.5
20.6
~
68.2
HRB
59.6
~
99.6
47.7
~
99.9
37.0
~
99.9
HRA
59.1~85.8
HB
127
~
651
80
~
638
80
~
683
90
~
646
81
~
646
AGM
83
~
976
80
~
937
80
~
996
80
~
950
HS
32.2
~
99.5 33.3
~
99.3 31.8
~
102.1
30.6
~
96.8
Hammered
steel
HB
143~650
Cold
Working-
Tools-
steel
HRC
20.4
~
67.1 19.8
~
68.2 20.7
~
68.2
AGM
80
~
898
80
~
935
100
~
941
Stainless
steel
HRB
46.5
~
101.7
HB
85
~
655
AGM
85
~
802
Summary of Contents for HK-D
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