| 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 |