N – NE-Metalle, N1Materialklassifizierung:
3.0205 (Al99)3.0305 (Al99.9)3.0505 (AlMn0.5Mg0.5)3.0915 (AlFeSi)3.1255 (AlCuSiMn)3.1325 (AlCuMg1)3.1645 (AlCuMgPb)3.1734 (AlCu4Mg1.5Ni2)