Patent ID: 6821358
Filing Date: 2004-11-23
Classification: C21D,C22C

Abstract:
A method of producing a ferritic stainless steel which can be used for ferromagnetic parts, wherein the steel comprises, in its composition by weight:0%1%&lE;Si&lE;3% 0%10%&lE;Cr&lE;13% 0%0%N&lE;0.030% Cu&lE;0.5% Ti&lE;0.5% Nb&lE;1% Ca&gE;1Ã—10âˆ’4% 0&gE;10Ã—10âˆ’4% S&lE;0.030% P&lE;0.030% the remainder being iron and the impurities which are inevitable from the production of the steel; the method comprising subjecting the steel, after hot rolling and cooling, to an annealing heat treatment and then to a modification of cross-section by the method taken from the group of drawing and stretch forming.