Aluminum Alloy 4047/AlSi12
- Baienwei offers exclusive and customized services according to customers’ industry attributes.
|BEW 4047||11.0-13.0||0.8||0.3||0.15||0.1||0.15||0.2||0.05(each) 0.15(total)||Bal|
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.
Baienwei 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
BEW 4047 Data Sheet
CTE 25℃ ppm/25℃
Tensile Strength MPa
Yield Strength MPa
Elastic Modulus GPa
- Laser welded covers for microwave integrated circuits;
- Electronic Housing;
- Welding filler wires;
- Millimeter Wave Field.
- BEW 4047 housings.
- Light weight;
- Excellent welding performance superior to AA4047;
- Smooth finishes;
- Readily machinable,plateable.