Stainless cold-rolling strip steel and manufacturing method thereof
A cold-rolled strip, unavoidable technology, used in metal rolling, rolling force/roll gap control, temperature control, etc., can solve problems such as cost increase, and achieve production cost reduction, good processability, and improved strength. Effect
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[0043] The invention reduces the production cost of stainless cold-rolled strip steel under the condition of obtaining high strength by adjusting the composition of the steel grade and changing the hot working and cold working process, so that the ferritic stainless steel can obtain higher strength after cold working And good ductility to meet the needs of deformation processing.
[0044] The characteristics of the present invention will be described in detail below through specific embodiments.
[0045] The composition weight percentage of the steel type of the present invention is: C≤0.02, Si: 0.2~0.80, Mn: 0.1~0.80, P≤0.040, S≤0.015, Cr 16.5~19.5, Nb: 0.2~0.6, N≤0.02, Al : 0.005 ~ 0.08, the rest is Fe and unavoidable impurities.
[0046]The steel with the above composition is manufactured by the following method: using molten iron, alloy and ferroalloy raw materials (or carbon scrap steel, scrap steel with the same and similar composition), and smelting through electric fu...
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