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PRODUCT DATA of A357.0
MaterialA357.0
General InformationA357.0 is a heat-treatable Al-Si-Mg alloy generally used for permanent mold and premium quality castings in which special properties are developed by careful control of casting and chilling techniques. It has excellent casting characteristics, is heat treatable, and provides high strength, together with good toughness.
Chemical CompositionAl-7Si-0.55Mg-0.055Be low impurities
EXPERIENCE IN PRACTICE
Development StatusCommercial Product
PHYSICAL PROPERTIES
Crystal StructureFace centered cubic (fcc)
Magnetic PropertiesNonmagnetic
ELASTIC PROPERTIES
Tensile Modulus71.7 GPa
Shear Modulus26.9 GPa
THERMAL PROPERTIES
Thermal Conductivity152 W/m.K
Thermal Expansion Coefficient21.6 μstrain/°C
Specific Heat0.963 J/g.K
RELEVANT PROPERTIES FOR USE IN SPACE COMMUNITY
Stress Corrosion StatusLow Resistance to SCC: Table 3