铍青铜QBE2BE1.80-2.1,NI0.2-0.5,AL≤0.15,FE≤0.15,PB≤0.005,SI≤0.15,CU余量,杂质总和≤0.5QBE1.9BE1.85-2.1,NI0.2-0.4,TI0.10-0.25,AL≤0.15,FE≤0.15,PB≤0.005,SI≤0.15,CU余量,杂质总和≤0.5QBE1.9-0.1BE1.85-2.1,NI0.2-0.4,TI0.10-0.25,MG0.07-0.13,AL≤0.15,FE≤0.15,PB≤0.005,SI≤0.15,CU余量,杂质总和≤0.5QBE1.7BE1.6-1.85,NI0.2-0.4,TI0.10-0.25,AL≤0.15,FE≤0.15,PB≤0.005,SI≤0.15,CU余量,杂质总和≤0.5QBE0.6-2.5BE0.40-0.70,CO2.4-2.7,AL≤0.20,SI≤0.20,FE≤0.10,CU余量)