Properties of aluminium alloys

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PropertiesUnitsGD-AI Si 9 CU 3
(diecasting)
GD-AI Si 12
(diecasting)
GK-AI Si12
(chill casting)
AI Mg Si 0,5
(wrought alloy)
Densityg/cm32,652,652,652,7
App. yielding pointN/mm214013080160
Tensile strengthN/mm2240240170215
Ductile yield%< 11612
Brinell hardnessHB806055no inform. avail.
Electr. resistivitym/Ohm mm2no inform. avail.17 - 2717 - 2728 - 34
Therm. conductivityW/mK110 - 120130 - 160140 - 170190 - 210
Heat resistance°C200200200200
Cold resistance°C–100–100–100–100