AUSTENITIC STAINLESS STEEL

• Main Authors: SEMBA, HIROYUKI, HAMAGUCHI, TOMOAKI, JOTOKU, KANA, ISEDA, ATSURO, HIRATA, HIROYUKI, ONO, TOSHIHIDE, TANAKA, KATSUKI, OKADA, HIROKAZU
• Format: Patent
• Language: English; French
• Published: 08.12.2016
• Subjects: ALLOYS; CHEMISTRY; FERROUS OR NON-FERROUS ALLOYS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUSMETALS OR ALLOYS; MAKING METAL MALLEABLE BY DECARBURISATION, TEMPERING OR OTHERTREATMENTS; METALLURGY; METALLURGY OF IRON; MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; TREATMENT OF ALLOYS OR NON-FERROUS METALS

An austenitic stainless steel in which the component composition thereof in terms of mass% is C: 0.05-0.13%, Si: 0.10-1.00%, Mn: 0.10-3.00%, P: 0.040% or less, S: 0.020% or less, Cr: 17.00-19.00%, Ni: 12.00-15.00%, Cu: 2.00-4.00%, Mo: 0.01-2.00%, W: 2.00-5.00%, 2Mo + W: 2.50-5.00%, V: 0.01-0.40%, Ti: 0.05-0.50%, Nb: 0.15-0.70%, Al: 0.001-0.040%, B: 0.0010-0.0100%, N: 0.0010-0.010%, Nd: 0.001-0.20%, Zr + Bi + Sn + Sb + Pb + As: 0.020% or less, and O: 0.0090% or less, the remainder being Fe and unavoidable impurities, and Nd + 13·(B - 11·N/14) 1.6·Zr being 0.0001-0.250%.