Properties of aluminium alloys

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Properties of aluminium alloys - Page 10
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Properties	Units	GD-AI Si 9 CU 3 (diecasting)	GD-AI Si 12 (diecasting)	GK-AI Si12 (chill casting)	AI Mg Si 0,5 (wrought alloy)
Density	g/cm³	2,65	2,65	2,65	2,7
App. yielding point	N/mm²	140	130	80	160
Tensile strength	N/mm²	240	240	170	215
Ductile yield	%	< 1	1	6	12
Brinell hardness	HB	80	60	55	no inform. avail.
Electr. resistivity	m/Ohm mm²	no inform. avail.	17 - 27	17 - 27	28 - 34
Therm. conductivity	W/mK	110 - 120	130 - 160	140 - 170	190 - 210
Heat resistance	°C	200	200	200	200
Cold resistance	°C	–100	–100	–100	–100