ニオブ NbSh 1

НбШ 1
HbSh 1
NbSh 1
NbШ 1

ГОСТ В51 ГОСТ 16100-79

C Si Fe N Ti Nb O Ta
ГОСТ 16100-79 ≤0.06 ≤0.03 ≤0.08 ≤0.05 ≤0.07 ≤0.04 ≤0.3