wrought steels used in aeronautical constructions
| Elements | Min.（≥） | Max.（≤） | Similar | Remarks |
|---|---|---|---|---|
| C | 0.37 | 0.44 | ||
| Si | 0.80 | 1.00 | ||
| Mn | 0.20 | 0.40 | ||
| P | - | 0.015 | ||
| S | - | 0.010 | ||
| Cr | 4.75 | 5.25 | ||
| Mo | 1.20 | 1.40 | ||
| V | 0.40 | 0.60 |
40CDV20 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) |
|---|---|---|---|---|---|---|
| 752 (≥) | 621 (≥) | 14 | 24 | 43 | Solution and Aging, Annealing, Ausaging, Q+T,etc | 222 |
| 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 |
|---|---|---|---|---|---|---|---|
| 194 (≥) | 813 (≥) | 23 | 43 | 41 | Solution and Aging, Annealing, Ausaging, Q+T,etc | 442 | |
| Temp. °C/°F |
Creep strain limit (10000h) (Rp1,0) N/mm2 |
Creep rupture strength (10000h) (Rp1,0) N/mm2 |
|||||
| 659 | 151 | 347 |
We can customize the production of 40CDV20 Air 9160/C grade, contact us for the best solution.
–sales@specificsteel.com