锡青铜QSN1.5-0.2SN1.0-1.7，P0.03-0.35，ZN≤0.30，NI≤0.2，FE≤0.10，PB≤0.05，CU余量QSN4-0.3SN3.5-4.5，P0.03-0.35，FE≤0.10，PB≤0.5，ZN≤0.30，NI≤0.2，CU余量QSN4-3SN3.5-4.5，ZN2.7-3.3，AL≤0.002，FE≤0.05，PB≤0.02，NI≤0.2，P≤0.03，CU余量，杂质总和≤0.2QSN4-4-2.5SN3.0-5.0，ZN3.0-5.0，AL≤0.002，FE≤0.05，PB1.5-3.5，NI≤0.2，P≤0.03，CU余量，杂质总和≤0.2QSN4-4-4SN3.0-5.0，ZN3.0-5.0，AL≤0.002，FE≤0.05，PB3.5-4.5，NI≤0.2，P≤0.03，CU余量，杂质总和≤0.2QSN6.5-0.1SN6.0-7.0，ZN≤0.3，AL≤0.002，FE≤0.05，PB≤0.02，NI≤0.2，P0.10-0.25，CU余量，杂质总和≤0.1)