Heat-resisting steel bars
| Elements | Min.（≥） | Max.（≤） | Similar | Remarks |
|---|---|---|---|---|
| C | 0.35 | 0.45 | ||
| Si | 1.90 | 2.60 | ||
| Mn | - | 0.70 | ||
| P | - | 0.035 | ||
| S | - | 0.60 | ||
| Cr | 9.00 | 10.50 | ||
| Mo | 0.70 | 0.90 |
4Cr10Si2Mo
| 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) |
|---|---|---|---|---|---|---|
| 822 (≥) | 913 (≥) | 32 | 41 | 43 | Solution and Aging, Annealing, Ausaging, Q+T,etc | 232 |
| 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 |
|---|---|---|---|---|---|---|---|
| 391 (≥) | 389 (≥) | 14 | 23 | 21 | Solution and Aging, Annealing, Ausaging, Q+T,etc | 121 | |
| Temp. °C/°F |
Creep strain limit (10000h) (Rp1,0) N/mm2 |
Creep rupture strength (10000h) (Rp1,0) N/mm2 |
|||||
| 133 | 148 | 326 |
We can customize the production of 4Cr10Si2Mo grade, contact us for the best solution.
–sales@specificsteel.com