DIRECT PRODUCTION OF AUSTENITIC STAINLESS STEEL SHEET HAVING EXCELLENT ACID RESISTANCE AND DEEP DRAWABILITY
PURPOSE:To directly produce the stainless steel sheet having excellent acid resistance and deep drawability by subjecting the sheet of a specific sheet thickness which is obtd. by rapidly solidifying the melt of an austenitic stainless steel and has a high equi-axed crystal rate to cold rolling and...
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Format: | Patent |
Sprache: | eng |
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Zusammenfassung: | PURPOSE:To directly produce the stainless steel sheet having excellent acid resistance and deep drawability by subjecting the sheet of a specific sheet thickness which is obtd. by rapidly solidifying the melt of an austenitic stainless steel and has a high equi-axed crystal rate to cold rolling and annealing treatment. CONSTITUTION:The molten steel of the austenitic stainless steel is supplied onto the moving cooling body, such as roll or belt of a continuous casting machine for sheets and is rapidly solidified, by which the sheet is directly produced. The sheet having >=50% equi-axed crystal rate and 0.1 to 20mm thickness is produced by adjusting the casting conditions. The austenitic stainless steel sheet which is small in both of corrosion resistance and earing rate and has the excellent acid resistance and small molding anisotropy is easily obtd. in this way. |
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