Aluchrom 4 18 YHf
| Elements | Min.（≥） | Max.（≤） | Similar | Remarks |
|---|---|---|---|---|
| Ni | - | 0.5000 | ||
| Cr | 17.0000 | 19.0000 | ||
| C | - | 0.0800 | ||
| S | - | 0.0300 | ||
| Mn | - | 0.5000 | ||
| Si | - | 0.6000 | ||
| Al | 3.5000 | 5.0000 | ||
| Y | - | 0.1500 | ||
| Zr | - | 0.1500 | ||
| Hf | - | 0.1500 | ||
| P | - | 0.0400 | ||
| Cu | - | 0.5000 |
Aluchrom 4 18 YHf
| 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) |
|---|---|---|---|---|---|---|
| 719 (≥) | 721 (≥) | 31 | 13 | 23 | Solution and Aging, Annealing, Ausaging, Q+T,etc | 414 |
| 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 |
|---|---|---|---|---|---|---|---|
| 662 (≥) | 221 (≥) | 34 | 13 | 43 | Solution and Aging, Annealing, Ausaging, Q+T,etc | 332 | |
| Temp. °C/°F |
Creep strain limit (10000h) (Rp1,0) N/mm2 |
Creep rupture strength (10000h) (Rp1,0) N/mm2 |
|||||
| 272 | 132 | 454 |
We can customize the production of Aluchrom 4 18 YHf grade, contact us for the best solution.
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