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Home Material JIS H 5202-2010
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Grade AC2A
Corresponding Standard JIS H 5202-2010
Aluminium Alloy Castings
Classification Aluminum and Aluminum Alloys
AC2A Chemical Element Composition Content (%)
Component Fe Si Mn Cr Ni Cu Ti Pb Zn Sn Mg More
Minimum Value - 4 - - - 3 - - - - - Al:余量
Maximum Value 0.8 6 0.55 0.15 0.3 4.5 0.2 0.15 0.55 0.05 0.25
AC2A 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) ≥180 ≥2 Approx. 75①②
permanent mould casting test pieces Solution Heat Treatment + Artificial Aging (T6) ≥270 ≥1 Approx. 90①②
sand casting test pieces as fabricated (F) ≥150 - Approx. 70①②
sand casting test pieces Solution Heat Treatment + Artificial Aging (T6) ≥230 - Approx. 90①②

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