Component |
Hardness |
Scale |
|
|
|
Hardened Track for Roller |
670-840 |
HV |
Hardened Machine slideway |
70-75 |
HS |
Surface Hardened Gear (High spc'n) |
58-63 |
RC |
Modern Rails (Used for Normal traffic) |
300-340 |
HV |
Modern Rails (High Duty) |
340 -420 |
HV |
Shear Blades |
81-85 |
RC |
Carbide Dies (Drawing , Forming etc) |
80-92 |
RA |
Mild steel components |
120 |
HV |
Wrought iron |
102 |
HV |
Axe |
600 |
HV |
Fork/Rake |
700 |
HV |
Kitchen knife |
680 |
HV |
Stainless table knife |
550 |
HV |
Hammer Face |
660 |
HV |
Chisel |
600 |
HV |
File |
60-61 |
RC |
Drill Bit HSS |
63-65 |
RC |
Drill Bit Cobalt |
66-67 |
RC |