C52100 C5210 BZn12-24 CuNi127n24 CW403J C75700 BZn12-26 CuNi127n27 CW410J C77000 QSn8-0.3 CuZn8 CW453K C51100 C5111 CuZn5 CW451K C51000 C5102 QSn6.5-0.1 CuZn6 CW452K C51900 C5191 QSn4-0.3 CuZn4 CW450K CuZn15 C2300 H80 C24000 CZ103 CuZn20 C2400 H70 C26000 CZ106 CuZn30 C2600 C26100 C2200 H85 C23000 CZ102