WL 1.6974-1 Aerospace; high-strength hardened and tempered nickel-cobalt steel with approx. 0,3 C, 8 Ni, 4,5 Co, 1 Cr, 1 Mo, consumable electrode remelted; bars and forgings. Формат поставки-PDF. Язык стандарта-Немецкий, Английский
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