4047 Aluminum
An Aluminum Silicon Brazing Alloy
Application
Laser Welded Covers for Microwave Integrated Circuits, and Similar devices, Housing, Liners.
Chemical Composition (Nominal %)
11.0- 13.0 Si, 0.30 Cu, 0.80 Fe, 0.15 Mn, 0.10 Mg, 0.20 Zn, Balance Al
Physical Characteristics
Density
.096 lb/in³
Yield
23,000 - 12,000 psi min
Elongation (@2% offset)
4% - 9%
.020" thickness of thinner
2%
Hardness (Rockwell 15T)
.020", .030", .060", .125"
thicknesses - F Temper
Rockwell 15T 60-69
All other thicknesses
½ hard Temper
Rockwell 15T 69-72
Sizes
Sheet/Coil
Thickness: .002" - .125"
Width: 12" max, dependent
on thickness and temper
Plate
Thickness: .250" - 1.500"
Width: dependent on length required
Rod
Diameter: .250" - 1.500"