GH4169(Inconel 718)
GH4169 is a Nb-Mo reinforced nickel-based high-temperature alloy. Its normal working environment is 253-650C. It has good mechanical properties below 650C. Under special circumstances, GH4169 can be used at 800°C for a short period of time. GH4169 is suitable for many high temperature applications, such as gas turbine components
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GH4169 is a Nb-Mo reinforced nickel-based high-temperature alloy. Its normal working environment is 253-650C. It has good mechanical properties below 650C. Under special circumstances, GH4169 can be used at 800°C for a short period of time. GH4169 is suitable for many high temperature applications, such as gas turbine components.
Physical properties
|
Size range
|
Size distribution |
Hall flow rate
|
Bulk density
|
Tap density
|
||
| D10(μm) | D50(μm) | D90(μm) | ||||
| 15-53μm | 17-22 | 32-38 | 52-58 | ≤18s/50g | ≥4.20g/cm³ | ≥4.80g/cm³ |
Heat treatment recommendations
980-1060°C/1h/AC+720°C±10°C/8h/F一620C10C/8h/AC
Mechanical behavior
| 815°C high temperature durability performance | ||
| Constant stress (δ/Mpa) | Duration(t/h) |
Elongation after break(δ5/%)
|
| 690 | 80 | 5 |
| Test temperature | Tensile strength (σb/Mpa) | Yield strength (σp0.2/Mpa) |
Elongation (δ5/%)
|
| 25℃ | 1270 | 1030 | 12 |
| 650℃ | 1000 | 860 | 12 |
Chemical composition range (wt,-%)
| Element | C | Cr | Ni | Co | Nb | Mo |
| wt％ | 0.02-0.06 | 17.00-21.00 | 50.00-55.00 | ≤1.00 | 4.75-5.50 | 2.80-3.30 |
| Element | Al | Ti | Fe | B | Mg | Mn |
| wt％ | 0.20-0.80 | 0.65-1.15 | Bal | ≤0.006 | ≤0.010 | ≤0.35 |
| Element | Si | P | S | Cu | O | N |
| wt％ | ≤0.35 | ≤0.015 | ≤0.015 | ≤0.30 | ≤0.020 | ≤0.015 |
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