1.1 This specification covers three grades of ferrocolumbium, designated Low-Alloy Steel Grade, Alloy and Stainless Steel Grade, and High-Purity Grade.
1.2 The values stated in inch-pound units are to be regarded as the standard.
77.100 Ferroalloys. Including classification, designation, sampling, chemical analysis, etc. / Ферросплавы. Включая классификацию, обозначение, отбор образцов, химический анализ и т.д.
