니오븀 NbШ 0

НбШ 0
HbSh 0
NbSh 0
NbШ 0

ГОСТ В51 ГОСТ 16100-79

C Si Fe N Ti Nb O Ta
ГОСТ 16100-79 ≤0.03 ≤0.03 ≤0.07 ≤0.03 ≤0.06 ≤0.02 ≤0.2