CuAl10Ni5Fe4
ASTM B150 ; AMS4640 ; QQC465B
- Aerospace
- Defance
- Marin
- Industry
Typical Uses
Aerospace
Aircraft Parts, Bushings, Bearings,Valve Guides, Plunger Tips, Welded Piping Systems, Balls, Gears, Cams, Pump Parts
Industrial
Hydraulic Bushings for Earth Moving Equipment, Corrosion Resistant Articles,Heat Exchanger Flanges, Heat Exchanger Headers, Tanks, Valve Balls, Structural Members, Pump Shafts, Shafting, Condenser Tube for Power Stations and Desalting Units, Valve Seats
Marine
Pump Parts, Bolts, Nuts, Propellers, Ship Propellers
C-63000
Chemical Composition
(%max, unless shown as range or min)
| Cu* | Al | Fe | Mn | Ni** | Si | Sn | Zn |
Min/Max | 78.0-85.0 | 9.0-11.0 | 2.0-4.0 | 1.5 | 4.0-5.5 | 0.25 | 0.2 | 0.3 |
* Cu value includes Ag.
** Ni value includes Co.
Note: Cu + Sum of Named Elements, 99.5% min.
Applicable Specifications
* Bar, Rod – ASTM B150
* AMS 4640
* SAE J461
* SAE J463
Fabrication Processes
* Forging
* Hot Forming
Standard Temper Designation:
* Bar, Rod – HR50 – Drawn and Stress Relieved
* Shapes – M30 – As Hot Extruded; O30 – Hot Extruded and Annealed
Fabrication Properties
| Joining Technique | Suitability |
| Soldering | Not Recommended |
| Brazing | Fair |
| Oxyacetylene Welding | Not Recommended |
| Gas Shielded Arc Welding | Good |
| Coated Metal Arc Welding | Good |
| Spot Weld | Good |
| Seam Weld | Good |
| Butt Weld | Good |
| Capacity for Being Cold Worked | Poor |
| Capacity for Being Hot Formed | Good |
| Forgeability Rating | 75 |
| Machinability Rating | 30 |
Mechanical Properties (ASTM B505)
Form | Diameter or Distance Between Parallel Surfaces, in. [mm] | Tensile Strength, min | Yield Strength, at 0.5% Extension Under Load, min | Elongation in 4xdiameter or 4xthickness, min, % |
ksi | MPa | ksi | MPa |
Shapes | All Sizes | 85 | 585 | 42.5 | 295 | 10 |
Rod and Bar | 1/2 [12.7] to 1 [25.4] incl. | 100 | 690 | 50 | 345 | 5 |
| over 1 [25.4] to 2 [50.8] incl. | 90 | 620 | 45 | 310 | 6 |
| over 2 [50.8] to 3 [76.2] incl. | 85 | 585 | 42.5 | 295 | 10 |
Physical Properties
| US Customary | Metric |
| Melting Point – Liquidus | 1930 F | 1054 C |
| Melting Point – Solidus | 1895 F | 1035 C |
| Density | 0.274 lb/in3 at 68 F | 7.58 gm/cm3 at 20 C |
| Specific Gravity | 7.58 | 7.58 |
| Electrical Resistivity | 116 ohms-cmil/ft at 68 F | 19.28 microhm-cm at 20 C |
| Electrical Conductivity | 7 %IACS at 68 F | 0.041 MegaSiemens/cm at 20 C |
| Thermal Conductivity | 22.6 Btu · ft/(hr · ft2·°F) at 68 F | 39.1 W/m ·°K at 20 C |
| Coefficient of Thermal Expansion | 9·10-6 per °F (68-572 F) | 16.2·10-6 per °C (20-300 C) |
| Specific Heat Capacity | 0.09 Btu/lb/°F at 68 F | 377.1 J/kg · °K at 20 C |
| Modulus of Elasticity in Tension | 17500 ksi | 121000 MPa |
| Modulus of Rigidity | 6400 ksi | 44130 MPa |
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