wrought steels used in aeronautical constructions
| Elements | Min.（≥） | Max.（≤） | Similar | Remarks |
|---|---|---|---|---|
| C | 0.28 | 0.35 | ||
| Si | 0.10 | 0.40 | ||
| Mn | 0.40 | 0.70 | ||
| P | - | 0.025 | ||
| S | - | 0.020 | ||
| Cr | 2.80 | 3.30 | ||
| Ni | - | 0.30 | ||
| Mo | 0.30 | 0.50 |
30CD12 Air 9160C wrought steels used in aeronautical constructions
| Proof strength Rp0.2 (MPa) |
Tensile strength Rm (MPa) |
Impact energy KV (J) |
Elongation at fracture A (%) |
Reduction in cross section on fracture Z (%) |
As-Heat-Treated Condition | Brinell hardness (HBW) |
|---|---|---|---|---|---|---|
| 236 (≥) | 986 (≥) | 32 | 44 | 13 | Solution and Aging, Annealing, Ausaging, Q+T,etc | 143 |
| Property | Density kg/dm3 |
Temperature T °C/F |
Specific heat J / kgK |
Thermal conductivity W/mK |
Electric resistance µΩ·cm |
Modulus of elasticity kN/mm2 |
Expansion rate |
|---|---|---|---|---|---|---|---|
| 798 (≥) | 789 (≥) | 12 | 31 | 11 | Solution and Aging, Annealing, Ausaging, Q+T,etc | 233 | |
| Temp. °C/°F |
Creep strain limit (10000h) (Rp1,0) N/mm2 |
Creep rupture strength (10000h) (Rp1,0) N/mm2 |
|||||
| 774 | 736 | 557 |
We can customize the production of 30CD12 Air 9160/C grade, contact us for the best solution.
–sales@specificsteel.com