| STEEL |
COMPOSITION |
HARDEN (F) |
TEMPER (F) |
ANNEAL (F) |
NORMALIZE (F) |
QUENCH |
ATMOSPHERE |
| A2 |
Medium Alloy |
1700-1800 |
350-1000 |
1550-1600 |
0 |
Air |
* Air/Inert |
| A6 |
High Carbon |
1800-1875 |
400-1000 |
1600-1650 |
0 |
Air |
* Air/Inert |
| D2 |
High Carbon |
1800-1875 |
400-1000 |
1600-1650 |
0 |
Air |
* Air/Inert |
| O1 |
Oil Harden |
1450-1500 |
350-500 |
1400-1450 |
1600 |
Oil |
* Air/Inert |
| W1 |
Water Harden |
1400-1550 |
350-650 |
1360-1400 |
1450-1600 |
Water |
* Air/Inert |
| S7 |
Shock Resisting |
1650-1750 |
400-1200 |
1500-1550 |
0 |
oil |
* Air/Inert/Nat Gas |
| H13 |
Hot Work Alloy |
1825-1875 |
1000-1200 |
1550-1650 |
0 |
Air/Oil |
* Air/Endo. |
| M2 |
Molybdenum High Speed |
2150-2250 |
1000-1200 |
1600-1650 |
0 |
Air/Oil/Salt |
* Air/Endo. |
| T2 |
Tungsten High Speed |
2300-2375 |
1000-1100 |
1600-1650 |
0 |
Air/Oil/Salt |
* Air/Endo. |
| 1040 |
Medium Carbon |
1550 |
1550 |
1550 |
1650 |
Water |
|
| 4130 |
Alloy Steel |
1600 |
0 |
1575 |
1625 |
Oil |
|
| 4140 |
Medium Carbon |
1575 |
400-1200 |
1550 |
1600 |
Oil |
* Air/Dis.Ammonia |
* Stainless steel foil wrap will minimize decarburization and scale on most tool steels processed under normal air atmosphere
|
