FERRALIUM alloy 255
| Elements | Min.（≥） | Max.（≤） | Similar | Remarks |
|---|---|---|---|---|
| C | - | 0.04 | ||
| Si | - | 1.00 | ||
| Mn | - | 1.50 | ||
| P | - | 0.040 | ||
| S | - | 0.030 | ||
| Cr | 24.0 | 27.0 | ||
| Ni | 4.5 | 6.5 | ||
| Mo | 2.9 | 3.9 | ||
| Cu | 1.50 | 2.50 | ||
| N | 0.10 | 0.25 |
FERRALIUM alloy 255
| 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) |
|---|---|---|---|---|---|---|
| 992 (≥) | 182 (≥) | 44 | 34 | 31 | Solution and Aging, Annealing, Ausaging, Q+T,etc | 342 |
| 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 |
|---|---|---|---|---|---|---|---|
| 246 (≥) | 136 (≥) | 34 | 22 | 13 | Solution and Aging, Annealing, Ausaging, Q+T,etc | 214 | |
| Temp. °C/°F |
Creep strain limit (10000h) (Rp1,0) N/mm2 |
Creep rupture strength (10000h) (Rp1,0) N/mm2 |
|||||
| 176 | 727 | 273 |
We can customize the production of FERRALIUM alloy 255 grade, contact us for the best solution.
–sales@specificsteel.com