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. Physical properties Size range Size distribution…
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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
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Size range
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Size distribution |
Hall flow rate
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Bulk density
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Tap density
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| D10(Ã×m) | D50(Ã×m) | D90(Ã×m) | ||||
| 15-53Ã×m | 17-22 | 32-38 | 52-58 | ¨P18s/50g | ¡Ô4.20g/cm3 | ¡Ô4.80g/cm3 |
Heat treatment recommendations
980-1060¡«C/1h/AC+720¡«C©I10¡«C/8h/F«620C10C/8h/AC
Mechanical behavior
| 815¡«C high temperature durability performance | ||
| Constant stress (Ñ´/Mpa) | Duration(t/h) |
Elongation after break(Ñ´5/%)
|
| 690 | 80 | 5 |
| Test temperature | Tensile strength (¿¼b/Mpa) | Yield strength (¿¼p0.2/Mpa) |
Elongation (Ñ´5/%)
|
| 25¡Í | 1270 | 1030 | 12 |
| 650¡Í | 1000 | 860 | 12 |
Chemical composition range (wt,-%)
| Element | C | Cr | Ni | Co | Nb | Mo |
| wt¨Ô | 0.02-0.06 | 17.00-21.00 | 50.00-55.00 | ¨P1.00 | 4.75-5.50 | 2.80-3.30 |
| Element | Al | Ti | Fe | B | Mg | Mn |
| wt¨Ô | 0.20-0.80 | 0.65-1.15 | Bal | ¨P0.006 | ¨P0.010 | ¨P0.35 |
| Element | Si | P | S | Cu | O | N |
| wt¨Ô | ¨P0.35 | ¨P0.015 | ¨P0.015 | ¨P0.30 | ¨P0.020 | ¨P0.015 |
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