Lug-All-2As the leader in vacuum tight and dimensionally stable aluminum castings, we are proud to announce the launch of a new alloy, HyDuct5. This high ductility aluminum alloy is perfect for applications where high ductility is required. Additional benefits include superior corrosion resistance and excellent plating and anodization properties.
The table below summarizes the relative performance of these materials compared to the 356 series.


HyDuct5 356-T6 356-T51
Ultimate Tensile 35,000 33,000 25,000
Yield Strength 18,000 24,000 17,000
% Elongation 9% 3% 2%
Brinell Hardness 70 75 60
Machinability 1 2 4
Stability Rating 1 4 1
Material Cost 3 3 2
Corrosion Resistance 1 2 2
Anodization Appearance 1 4 4
Castability 4 1 1

Relative ratings (1=excellent, 2=good, 3=fair, 4=poor)


From Table 1 it is easily recognized that 356-T6 suffers from poor dimensional stability while 356-T51 has poor machining characteristics. Both of these alloys also suffer from medium corrosion resistance and weak anodization properties. These drawbacks limit design flexibility and performance while increasing costs. In comparison, HyDuct5TM provides excellent properties for applications where high ductility is demanded. This alloy can also be used in marine applications where corrosion resistance is a must, and its anodization appearance make it an excellent choice for cosmetic parts. The one limitation of this alloy is applications where pressure or vacuum tightness is required.

Please contact us for help in choosing the right alloy for your application.

Palmer Foundry has served the high technology market since 1976. We have the experience necessary to help you design and implement successful casting applications. We have a hard-earned reputation for high quality, excellent service, and cost effectiveness in these demanding applications for aluminum castings.