Grade AC8A
Corresponding Standard JIS H 5202-2010
Aluminium Alloy Castings
Classification Aluminum and Aluminum Alloys
AC8A Chemical Element Composition Content (%)
Component Fe Si Mn Cr Ni Cu Ti Pb Zn Sn Mg More
Minimum Value - 11 - - 0.8 0.8 - - - - 0.7 Al:余量
Maximum Value 0.8 13 0.15 0.1 1.5 1.3 0.2 0.05 0.15 0.05 1.3
AC8A Mechanical Properties
condition Heat Treatment or Condition
Tensile Strength
σb
Mpa
Elongation or Extension Rate
δ
%
Hardness
HBW
permanent mould casting test pieces as fabricated (F) ≥170 - Approx. 85①②
permanent mould casting test pieces cooled from an elevated temperature shaping process + artificially age hardened (T5) ≥190 - Approx. 90①②
permanent mould casting test pieces Solution Heat Treatment + Artificial Aging (T6) ≥270 - Approx. 110①②

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