| Product Classification : High Temperature Alloy | |||||||||||||||
| Material : GH4738 | |||||||||||||||
| Corresponding Brand | |||||||||||||||
| National Standard | American Standard | France Standard | |||||||||||||
| GH738/GH4738 | Waspaloy | NC20K14 | |||||||||||||
| Chemical Composition | |||||||||||||||
| % | C | Cr | Co | Mo | Al | Ti | B | Zr | Fe | Mn | Si | P | S | Cu | Ni |
| Min | 0.03 | 18.00 | 12.00 | 3.50 | 1.20 | 2.75 | 0.00 | 0.02 | The resting | ||||||
| Max | 0.10 | 21.00 | 15.00 | 5.00 | 1.60 | 3.25 | 0.01 | 0.08 | 2.00 | 0.10 | 0.15 | 0.15 | 0.15 | 0.10 | |
| Physical and Mechanical Propertie s | |||||||||||||||
| Melting Point | Specific Heat Capacity | Coefficient of Expansion | Density | Magnetism | |||||||||||
| 1330~1360ºC | 515(360ºC)c/(J/(kg.C)) | 12.47(20~100ºC)α/10-6C-1 | ρ=8.22g/cm3 | None | |||||||||||
| Application | |||||||||||||||
| GH4738 high-temperature alloy is used to make turbine discs, blades, and sealing rings for aviation engines, as well as flue gas turbine blades, turbine discs, and large bolts. | |||||||||||||||