Process for the production of a strip of a chromium stainless st

Details Process for the production of a strip of a chromium stainless st Process for the production of a strip of a chromium stainless st

1987-12-18

1989-03-14

Yee, Deborah

Metal treatment

Compositions

Heat treating

148 12E, C21D 802

Patent

active

048121762

ABSTRACT:
Process for producing steel strip of duplex structure wherein cold rolled strip of chromiun stainless steel comprising, in addition to Fe, 10.0% to 20.0% of Cr, to 0.15% of C, to 0.12% of N, the (C+N) being 0.02% to 0.20%, to 2.0% of Si, to 1.0% of Mn and to 0.6% of Ni, is continuously passed through a heating zone where it is heated to form a two-phase of ferrite and austenite and the heated strip is cooled at a cooling rate sufficient to transform the austenite to martensite. The product has high strength and elongation reduced plane anisotropy and hardness of at least HV 200.

REFERENCES:
patent: 3650848 (1972-03-01), Schneider et al.

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