ITEM | Standard Number | Descriptions |
1 | AIR 9160 C | wrought steels used in aeronautical constructions |
Elements | Min.(≥) | Max.(≤) |
C | 0.08 | |
Si | 0.40 | 1.00 |
Mn | 1.00 | 2.00 |
P | 0.030 | |
S | 0.015 | |
Cr | 13.50 | 16.00 |
Ni | 24.00 | 27.00 |
Mo | 1.00 | 1.50 |
V | 0.10 | 0.50 |
Al | 0.35 | |
Ti | 1.90 | 2.300 |
B | 0.001 | 0.010 |