(1) C5111: 3.5%~4.5%Sn, 0.03%~0.35%P, >99,5 proc. (Cu plius Sn plius P).
(2) C5102: 4.5% to 5.5% Sn, 0.03% to 0.35% P, >99,5 proc. (Cu plius Sn plius P). (3) PBC2: 87.0 procentai -91.0 procentai Cu, 9.0 procentai {{10}}.{12} } proc. S, 0.05 proc -0.20 proc P (2B: 0,15 proc -0,50 proc. P; 2C: 0,05 proc -0 .50 proc. P),<1.0% impurity.