Heat-resisting steel bars
| Elements | Min.（≥） | Max.（≤） | Similar | Remarks |
|---|---|---|---|---|
| C | 0.22 | 0.30 | ||
| Si | 1.40 | 2.20 | ||
| Mn | 10.50 | 12.50 | ||
| P | - | 0.35 | ||
| S | - | 0.03 | ||
| Cr | 17.00 | 19.00 | ||
| N | 0.22 | 0.33 |
3Cr18Mn12Si2N
| 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) |
|---|---|---|---|---|---|---|
| 778 (≥) | 324 (≥) | 22 | 23 | 34 | Solution and Aging, Annealing, Ausaging, Q+T,etc | 241 |
| 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 |
|---|---|---|---|---|---|---|---|
| 331 (≥) | 784 (≥) | 43 | 43 | 32 | Solution and Aging, Annealing, Ausaging, Q+T,etc | 431 | |
| Temp. °C/°F |
Creep strain limit (10000h) (Rp1,0) N/mm2 |
Creep rupture strength (10000h) (Rp1,0) N/mm2 |
|||||
| 436 | 397 | 969 |
We can customize the production of 3Cr18Mn12Si2N grade, contact us for the best solution.
–sales@specificsteel.com