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) |
|---|---|---|---|---|---|---|
| 172 (≥) | 161 (≥) | 21 | 22 | 41 | Solution and Aging, Annealing, Ausaging, Q+T,etc | 244 |
| 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 |
|---|---|---|---|---|---|---|---|
| 654 (≥) | 898 (≥) | 13 | 11 | 43 | Solution and Aging, Annealing, Ausaging, Q+T,etc | 321 | |
| Temp. °C/°F |
Creep strain limit (10000h) (Rp1,0) N/mm2 |
Creep rupture strength (10000h) (Rp1,0) N/mm2 |
|||||
| 727 | 493 | 259 |
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