Classification and designation for superalloys and high temperature intermetallic materials
| Elements | Min.（≥） | Max.（≤） | Similar | Remarks |
|---|---|---|---|---|
| C | - | 0.05 | ||
| Cr | 19.0 | 22.00 | ||
| Mo | 7.50 | 9.00 | ||
| Ni | - | Remainder | ||
| W | 7.50 | 9.00 | ||
| Al | 0.40 | 0.80 | ||
| Ti | 0.40 | 0.80 | ||
| Fe | - | 2.0 | ||
| Si | - | 0.80 | ||
| Mn | - | 0.50 | ||
| P | - | 0.013 | ||
| S | - | 0.013 | ||
| B | - | 0.005 | ||
| Ce | - | 0.05 | ||
| Zr | - | 0.06 |
GH3128
| 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) |
|---|---|---|---|---|---|---|
| 133 (≥) | 715 (≥) | 43 | 31 | 12 | Solution and Aging, Annealing, Ausaging, Q+T,etc | 143 |
| 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 |
|---|---|---|---|---|---|---|---|
| 181 (≥) | 547 (≥) | 33 | 12 | 41 | Solution and Aging, Annealing, Ausaging, Q+T,etc | 334 | |
| Temp. °C/°F |
Creep strain limit (10000h) (Rp1,0) N/mm2 |
Creep rupture strength (10000h) (Rp1,0) N/mm2 |
|||||
| 686 | 989 | 417 |
We can customize the production of GH3128 grade, contact us for the best solution.
–sales@specificsteel.com