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Material
Inside Hardness
Outside Hardness
SUJ-2
HRC 602
SACM645
HRC 24~28
HV1050 over
SKD-61
HRC 43~44
HV1050 over
SKH-51
HRC 60~61
 
D
D1
H
T
1.0
3
6
4
1.5
2.0
4
8
6
2.5
 
100
150
200
1.0
40
60
80
1.5
40
60
80
2.0
40
60
80
2.5
40
60
80
 
D
D1
H
T
1.0
2
4
4
1.5
2.0
4
7
4
2.5
 
100
150
200
1.0
40
50
70
1.5
40
50
70
2.0
40
50
70
2.5
40
50
70
# SKH-51, Make to order
 

 
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