Rockwell Hardness (page 1 / 4)

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111
140HV
16N80
20
200HV
22 - 34
30
300HV
30T 56-68
32 to 39
32 to 43 HRC
32-39 HRC
32/38-C
32/39-C
33 to 39
33/39-C
36
36 to 43
36 to 43 HRC
37-45 HRC
38-44 HRC
38/42-C
39 - 43
39 to 43
39 to 44
39-44 HRC
39-45 HRC
39/44-C
40 to 43
409 to 442
41
42 to 48 HRC
42-48 HRC
420-560 HV30
45
45 to 53
46 HRC
48
485 ?25 HV0.3
50 HRC
57
60
60 +/- 2HRc
60 +/-2 HRC
60 +/-2HRc
60 HRC
70
71
74
75
80
80-90B
82
83
84
85
85 to 90 on 15N Scale
87
94
96 HRB to 33 HRC
99
A-307B
B0
B100
B100 Max
B120
B17
B38
B40
B49
B50
B52
B55
B55 Min
B55 to C32
B60
B60 for Barrel, and C45 for Drive Cap
B60 to B105
B65
B68
B68 to B71
B68 to C32
B69
B69 - B100
B69 to B100
B70
B70 Min
B70 to B100
B70 to B95
B70-B100
B71
B71 - B99
B71 to B95
B71 to B99
B75
B75 to 87
B76
B78
B80