Non-magnetizable austenitic cast steel G-X2CrNiMnMoNNb 21-16-5-3 Part 4: Castings
| Elements | Min.（≥） | Max.（≤） | Similar | Remarks |
|---|---|---|---|---|
| C | - | 0.030 | ||
| Si | - | 1.00 | ||
| Mn | 4.00 | 6.00 | ||
| P | - | 0.025 | ||
| S | - | 0.010 | ||
| Cr | 20.00 | 21.50 | ||
| Ni | 15.00 | 17.00 | ||
| Mo | 3.00 | 3.50 | ||
| Nb | - | 0.25 | ||
| N | 0.200 | 0.35 |
Non-magnetizable austenitic cast steel G-X2CrNiMnMoNNb 21-16-5-3 Part 4: Castings
| 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) |
|---|---|---|---|---|---|---|
| 789 (≥) | 515 (≥) | 34 | 21 | 42 | 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 |
|---|---|---|---|---|---|---|---|
| 431 (≥) | 474 (≥) | 43 | 33 | 23 | Solution and Aging, Annealing, Ausaging, Q+T,etc | 411 | |
| Temp. °C/°F |
Creep strain limit (10000h) (Rp1,0) N/mm2 |
Creep rupture strength (10000h) (Rp1,0) N/mm2 |
|||||
| 357 | 172 | 264 |
We can customize the production of X2CrNiMnMoNNb21-16-5-3 grade, contact us for the best solution.
–sales@specificsteel.com