CuZn36Pb3 CuZn38Pb1.5 CuZn39Pb0.5 CuZn39Pb2 CuZn39Pb3 CuZn40Pb2 CuZn44Pb2 CuZn20Al CuZn28Sn CuZn31Si CuZn35Ni CuZn39Sn CuSn37Al CuZn40Al1 CuZn40Al2 CuZn40Ni CuZn40Mn CuzN40MnPb 2.0220 2.0230 2.0240 2.0250 2.0261 2.0265 2.0280 2.0335 2.0321 2.0360 2.0331 2.0332 2.0375 2.0371 2.0372 2.0380 2.0401 2.0402 2.0410 2.0460 2.0470 2.0490 2.0540 2.0530 2.0510 2.0560 2.550 2.0571 2.0572 2.0580 CuSn4 CuSn6