wrought steels used in aeronautical constructions
| Elements | Min.（≥） | Max.（≤） | Similar | Remarks |
|---|---|---|---|---|
| C | 0.10 | 0.16 | ||
| Si | 0.15 | 0.40 | ||
| Mn | 0.35 | 0.65 | ||
| P | - | 0.025 | ||
| S | - | 0.020 | ||
| Cr | 0.60 | 0.90 | ||
| Ni | 2.75 | 3.25 |
12NC12 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) |
|---|---|---|---|---|---|---|
| 638 (≥) | 727 (≥) | 23 | 12 | 22 | Solution and Aging, Annealing, Ausaging, Q+T,etc | 211 |
| 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 |
|---|---|---|---|---|---|---|---|
| 696 (≥) | 785 (≥) | 43 | 41 | 31 | Solution and Aging, Annealing, Ausaging, Q+T,etc | 413 | |
| Temp. °C/°F |
Creep strain limit (10000h) (Rp1,0) N/mm2 |
Creep rupture strength (10000h) (Rp1,0) N/mm2 |
|||||
| 538 | 868 | 222 |
We can customize the production of 12NC12 Air 9160/C grade, contact us for the best solution.
–sales@specificsteel.com