Heat-resistant steels
| Elements | Min.（≥） | Max.（≤） | Similar | Remarks |
|---|---|---|---|---|
| C | - | 0.12 | ||
| Si | 0.70 | 1.40 | ||
| Mn | - | 1.00 | ||
| P | - | 0.040 | ||
| S | - | 0.030 | ||
| Cr | 23.00 | 26.00 | ||
| Ni | - | 1.00 | ||
| Al | 0.70 | 1.20 |
Heat-resistant steels
| 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) |
|---|---|---|---|---|---|---|
| 886 (≥) | 933 (≥) | 23 | 34 | 33 | Solution and Aging, Annealing, Ausaging, Q+T,etc | 233 |
| 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 |
|---|---|---|---|---|---|---|---|
| 727 (≥) | 212 (≥) | 13 | 23 | 33 | Solution and Aging, Annealing, Ausaging, Q+T,etc | 412 | |
| Temp. °C/°F |
Creep strain limit (10000h) (Rp1,0) N/mm2 |
Creep rupture strength (10000h) (Rp1,0) N/mm2 |
|||||
| 733 | 792 | 371 |
We can customize the production of ISO H6 grade, contact us for the best solution.
–sales@specificsteel.com