An Aluminum Silicon Brazing Alloy

UNS A94047

AMS 4185

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：0.096 lb/in

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 TemperRockwell 15T 60-69 

All other thicknesses 

hard TemperRockwell 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"