납 C1C

С1С
C1C
S1S
Pb1Pb

ГОСТ В51 ГОСТ 3778-98

Fe Cu As Zn Sn Sb Pb Bi Ag
ГОСТ 3778-98 ≤0.001 ≤0.001 ≤0.0005 ≤0.001 ≤0.0005 ≤0.001 ≥99.99 ≤0.005 ≤0.001

σB, МПа d5, %
15 60-70
11-13 30-40