N1 secondary

N – Non ferrous materials, N1
Material classification:

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)