N – NE-Metalle, N3Materialklassifizierung:
2.0060 (E-Cu57)2.0240 (CuZn15)2.0360 (CuZn40)2.0550 (CuZn40Al2)2.0855 (CuNi2Si)2.0978 (CuAl11Ni6Fe6)2.1086 (G-CuSn10Zn)2.1188 (CuSn5Pb20-C)