Hardness Chart
Typical Plasma Nitriding Results
- SHOW -
- HIDE -
Material | Recommended Core Hardness | Plasma Nitrided Surface Hardness | Total Case Depth (inches) |
---|---|---|---|
1020, 1045, Cast Iron | 14-8 | File Hard 0.0005" | 0.002-0.010 |
8620, 9310, 9315, P6 | 14-8 | 52-58 | 0.012-0.028 |
4130, 4140 |
28-32
|
52-58 | 0.008-0.024 |
4340 | 28-32 | 49-55 | 0.008-0.024 |
P20 | 28-36 | 57-62 | 0.008-0.020 |
Nitralloy 135 M | 28-36 | 67-71 | 0.008-0.020 |
A2 | 54-56 | 65-70 | 0.005-0.010 |
D2, D4, D6 | 57-59 | 65-70 | 0.005-0.010 |
H13, S7 | 45-50 | 67-71 | 0.004-0.012 |
M2, M42, ASP | 60-65 | 69-72 | 0.0005-0.002 |
304, 316 S.S. | 0 | 62-66 | 0.002-0.008 |
15-5, 17-4, PH SS | 31-38 | 62-66 | 0.002-0.008 |
429, 436, S.S. | 24-38 | 68-70 | 0.004-0.008 |