QSN4-4-4SN3.0-5.0，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≤0.1QSN6.5-0.4SN6.0-7.0，ZN≤0.3，AL≤0.002，FE≤0.02，PB≤0.02，NI≤0.2，P0.26-0.40，CU余量，杂质总和≤0.1QSN7-0.2SN6.0-8.0，ZN≤0.3，AL≤0.01，FE≤0.05，PB≤0.02，NI≤0.2，P0.10-0.25，CU余量，杂质总和≤0.15QSN8-0.3SN7.0-9.0，P0.03-0.35，ZN≤0.20，NI≤0.20，FE≤0.10，PB≤0.05，CU余量QAL5AL4.0-6.0，SN≤0.1，ZN≤0.5，MN≤0.5，FE≤0.5，PB≤0.03，SI≤0.1，P≤0.01，CU余量，杂质总和≤1.6)