Heat-resisting steel bars
| Elements | Min.（≥） | Max.（≤） | Similar | Remarks |
|---|---|---|---|---|
| C | 0.17 | 0.26 | ||
| Si | 1.80 | 2.70 | ||
| Mn | 8.50 | 11.00 | ||
| P | - | 0.35 | ||
| S | - | 0.03 | ||
| Ni | 2.00 | 3.00 | ||
| Cr | 18.00 | 21.00 | ||
| N | 0.20 | 0.30 |
2Cr20Mn9Ni2Si2N
| 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) |
|---|---|---|---|---|---|---|
| 551 (≥) | 458 (≥) | 14 | 33 | 22 | Solution and Aging, Annealing, Ausaging, Q+T,etc | 113 |
| 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 |
|---|---|---|---|---|---|---|---|
| 319 (≥) | 282 (≥) | 22 | 34 | 44 | Solution and Aging, Annealing, Ausaging, Q+T,etc | 311 | |
| Temp. °C/°F |
Creep strain limit (10000h) (Rp1,0) N/mm2 |
Creep rupture strength (10000h) (Rp1,0) N/mm2 |
|||||
| 981 | 287 | 476 |
We can customize the production of 2Cr20Mn9Ni2Si2N grade, contact us for the best solution.
–sales@specificsteel.com