Heat Treat Specifications
|
|
|
Superior Chisel
Steel Analysis |
| |
|
Carbon .55 -.60 |
| |
|
Manganese .70
-.90 |
| |
|
Silicon 1.80 -
2.20 |
| |
|
Chrome .20 - .35 |
| |
|
Moly .15 - .25 |
| |
Heat Treat
Spec. For Above Steel |
| |
Start |
Forge 1800o
- 2000oF - Stop |
| |
|
Forge @ 1500oF
(Cherry Red) |
| |
Hardening: |
| |
|
Heat to 1625oF
& Quench in Oil |
| |
|
Draw to 650oF |
| |
|
Rockwell "C" 48-52 |
| |
|
Decarb. will be
.010 - .020 |
| |
|
|
| |
If standard heat
treating furnaces are not available, use the color system - the chisel should
be heated to a light orange color and to be quenched in oil. |
|
|
