The invention relates to an aluminum casting alloy and to cast products made thereof consisting of, in weight percent: Mg 1.0-2.6, Si 0.5-2.0, Mn 0.9-1.4, Fe<0.50, Cu<1.0, Zn<0.30, Ti<0.20, Be<0.003, balance aluminum and inevitable impurities.

L'invention concerne un alliage de moulage d'aluminium et aux pièces coulées faites se composer en, en pour cent de poids : Magnésium 1.0-2.6, Silicium 0.5-2.0, Manganèse 0.9-1.4, Fe