ニオブ Nb 1

Нб 1
Hb 1
Nb 1
Nb 1

ГОСТ В51 ГОСТ 16099-80
ТУ В53 ТУ 48-19-284-84

C Si Fe N Ti Nb O Ta H
ГОСТ 16099-80 ≤0.01 ≤0.005 ≤0.005 ≤0.01 ≤0.005 ≤0.01 ≤0.1 ≤0.001

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