Attributes . Rockwell Hardness . Values

- (78)   111 (6)   140HV (13)   16N80 (1)   200HV (5)   22-34 (2)   25/34-C (1)   30 (11)   300HV (1)   30T 56-68 (1)   32 HRC to 43 HRC (3)   32 to 39 (1)   32 to 43 HRC (3)   32/39-C (5)   33/39-C (1)   36" (32)   37-45 HRC (10)   39-45 HRC (15)   41 (3)   42 to 48 HRC (1)   42-48 HRC (1)   420-560 HV30 (15)   45 (11)   46 HRC (1)   485 ?25 HV0.3 (2)   50 HRC (1)   550 + 100 HV 10 (4)   60 (96)   60 +/-2 HRC (3)   60 +/-2HRc (26)   60 HRC (38)   70 (47)   71 (3)   74% (2)   75% (33)   80 (74)   80 HRB min. (1)   80-90B (1)   82 to 85 on 15N Scale (32)   82% (3)   83 (20)   84 (3)   87% (28)   96 HRB to 33 HRC (1)   99% (9)   ?20% (22)   Approx. HRB 95 (1)   B0 (1)   B100 (11)   B100 Max (1)   B120 (21)   B17 (1)   B40 (3)   B49 (5)   B55 (2)   B55 Min (4)   B60 (1)   B60 to B105 (4)   B65 (4)   B68 (1)   B68 to C32 (1)   B68-C32 (2)   B69 (2)   B69 to B100 (15)   B70 (35)   B70 Min (4)   B70 to B100 (15)   B70 to B95 (4)   B70-B100 (1)   B71 (9)   B71 to B99 (1)   B75 (2)   B75 to 87 (11)   B76 (2)   B80 (24)   B80 Min (2)   B80 to B100 (14)   B80 to C32 (96)   B80-90 (6)   B80-B90 (27)   B81 (2)   B81 to B100 (3)   B82 (8)   B83 (17)   B85 (57)   B85 Min (11)   B85 to B95 (19)   B85 to B97 (10)   B86 (6)   B88 to B95 (9)   B90 (1)   B90 to B97 (1)   B92 (12)   B94 to B99 (18)   B95 (26)   B95 to C32 (4)   B96 to C33 (23)   B97 to B102 (13)   B99 (2)   B99 Max (39)