文档介绍：Brinell
(布氏)
Rockwell Hardness
(洛氏硬度)
Rockwell Superficial Hardness
(罗克韦尔表面硬度)
 
 
Rockwell C
(洛氏C)
 
3000 kgf
Rockwell A
(洛氏A)
Rockwell B
(洛氏B)
Rockwell D
(洛氏D)
 
 
 
Approximate
近似
Rockwell C
(洛氏C)
150 kgf
Vickers
10 mm
60 kgf
100 kgf
100 kgf
15 kgf
30 kgf
45 kgf
Tensile
(拉伸)
150 kgf
Diamond
(钻石)
Hardness
(硬度)
Ball
(球)
Diamond
(钻石)
1//16" ball
(1//16球)
Diamond
(钻石)
1/16" ball
(1/16球)
1/16" ball
(1/16球)
1/16" ball
(1/16球)
Strength
(强度)
Diamond
(钻石)
HRC
HV
HB
HRA
HRB
HRD
HR15N
HR30N
HR45N
ksi (MPa)
HRC
68
940
---
---
---
68
67
900
---
---
---
67
66
865
---
---
---
66
65
832
739
---
---
65
64
800
722
---
---
64
 
 
 
 
 
 
 
 
 
 
 
63
772
705
---
---
63
62
746
688
---
---
62
61
720
670
---
---
61
60
697
654
---
---
60
59
674
634
---
---
59
 
 
 
 
 
 
 
 
 
 
 
58
653
615
---
---
58
57
633
595
---
---
57
56
613
577
---
---
56