Alloy Steel
| Elements | Min.（≥） | Max.（≤） | Similar | Remarks |
|---|---|---|---|---|
| C | - | 0.60 | ||
| Si | - | - | ||
| Mn | 7.00 | 10.00 | ||
| P | - | - | ||
| S | - | - | ||
| Ni | 3.50 | 5.00 | ||
| Cr | - | - | ||
| Al | - | - | ||
| Cu | - | - | ||
| Ti | - | - | ||
| Fe | - | - | ||
| N | 0.30 | 0.50 | ||
| Mo | - | - |
Alloy Steel
| 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) |
|---|---|---|---|---|---|---|
| 229 (≥) | 296 (≥) | 34 | 13 | 31 | 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 |
|---|---|---|---|---|---|---|---|
| 289 (≥) | 795 (≥) | 43 | 24 | 33 | Solution and Aging, Annealing, Ausaging, Q+T,etc | 112 | |
| Temp. °C/°F |
Creep strain limit (10000h) (Rp1,0) N/mm2 |
Creep rupture strength (10000h) (Rp1,0) N/mm2 |
|||||
| 369 | 887 | 179 |
We can customize the production of K12249 grade, contact us for the best solution.
–sales@specificsteel.com