AUSTENITIC STAINLESS STEEL CONTAINING COPPER AND NITROGEN AND ITS APPLICATIONS FOR THE PRODUCTION OF BANDS, TUBES, BARS OR RODS

摘要

P AUSTENITIC STAINLESS STEEL CONTAINING COPPER AND NITROGEN. / P P STEEL IS COMPOSED AS A PERCENTAGE BY WEIGHT OF 0.05 MAXIMUM OF CARBON, 1.5 TO 3.0 OF MANGANESE, ABOUT 0.06 MAXIMUM OF PHOSPHORUS, ABOUT 0.035 MAXIMUM SULFUR, ABOUT 1 MAXIMUM SILICON, 15 TO 20 CHROMIUM, 3 TO 4.7 NICKEL, 1.75 TO 3 COPPER, 0.10 TO 0.30 NITROGEN, 0 TO 0.3 OF NIOBIUM, TITANIUM, TANTALIUM OR MIXTURES OF SAID ITEMS, AND IRON COMPLEMENT, EXCEPT INEVITABLE IMPURITIES, THIS STEEL HAVING A FACTOR OF STABILITY OF AUSTENITY WHICH IS BETWEEN 30 AND 33, THESE VALUES CALCULATED BY THE FORMULA: 30CMNCRNICU30N. / P P APPLICATION IN METALLURGY. / P