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Different alloys of aluminum used in aluminum Gravity Casting

sand casting (41)
Alloy Composition Key Properties Typical Applications
A356 Al-Si Good strength, ductility, and machinability; moderate corrosion resistance Engine blocks, housings, brackets
A380 Al-Si Excellent fluidity, pressure tightness, moderate strength Engine blocks, housings, transmission components
A413 Al-Si High-pressure tightness, good machinability, moderate strength Hydraulic cylinders, valves, pumps
B390 Al-Cu Very high strength and hardness, moderate ductility Pistons, cylinder heads
C355 Al-Cu Good strength, corrosion resistance, ductility Structural components, wheels, brackets
AM508 Al-Mg High strength, toughness, weldability Aerospace components, structural parts
AM6061 Al-Mg Good strength, ductility, corrosion resistance Building materials, extrusions, structural parts
ZA8 Al-Zn High strength, dimensional stability, moderate ductility Die-cast components with tight tolerances
K-Alloy Al-Si-Cu-Mg Exceptional corrosion resistance, high strength Marine applications, harsh environments
Hypereutectic Al-Si Al-Si High wear resistance and hardness, moderate strength Engine pistons, liners

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