Carbon tool steel T12
The chemical composition of T12
T12 steel chemical composition (GB1298-86) w /%
| C | Si | Mn | S | P |
| 1.15~1.24 | ≤0.35 | ≤0.40 | ≤0.030 | ≤0.035 |
T12 thermal processing
T12 steel thermal processing
|
Item |
No heating temperature / ℃ | Start temperature / ℃ | Termination of temperature / ℃ |
Cooling |
| Steel ingotSteel billet | 1100～1150 1050～1100 |
1050～1100 1020～1080 |
850～750 800～750 |
700 ℃ after cold sand After slow cooling 700 ℃ |
