Aluminum Alloy 4047
Composition: Al-12%Si
Zuoyuan offers exclusive and customized services according to customers’ industry attributes.
Product Details
Products Description
Zuoyuan Al4047 as a thermal management material,its processed by rapid solidification provides good corrosion resistance, improved fluidity during welding process with smooth finishes,
as well as reduced shrinkage. It is suitable for elevated temperature operations.
Chemical Compositions
| Weight % |
Si | Fe | Cu | Mn | Mg | Ti | Zn | Other | Al |
| ZY-4047 | 11.0-13.0 | 0.8 | 0.3 | 0.15 | 0.1 | 0.15 | 0.2 | 0.05(each) 0.15(total) |
Bal |
Significant Application
Used as lids extremely for hermetic packages due to the excellent weldability.The Al4047/Al-12%Si alloy can achieve the military standard,assure the helium leakage rate below 1×10-9(Pa-m3)/s.
Zuoyuan 4047 Data Sheet
| Grade | CTE 25℃ ppm/℃ |
Thermal Conductivity 25℃ W/mK |
Density g/cm³ |
Tensile Strength MPa |
Yield Strength MPa |
Poisson's Ratio |
Elongation % |
Elastic Modulus GPa |
| ZY-4047 | 21.6 | 193 | 2.66 | 208 | 129 | 0.33 | 0.18 | 70 |
Applications
» Laser welded covers for microwave integrated circuits;» Electronic Housing;
» Welding filler wires;
» Liners;
» Millimeter Wave Field;
» 4047 housings.
Advantages
» Light weight;» Excellent welding performance superior to AA4047;
» Smooth finishes;
» Readily machinable,plateable.
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