公开(公告)号：US20060086429A1

公开(公告)日：2006-04-27

申请号：US10513767

申请日：2003-05-02

申请人： Yvan Houbaert ,  Carl-Dieter Wupperman ,  Olaf Fischer ,  Jurgen Schneider

发明人： Yvan Houbaert ,  Carl-Dieter Wupperman ,  Olaf Fischer ,  Jurgen Schneider

IPC分类号： H01F1/04

CPC分类号： C22C38/004 ,  C21D8/1211 ,  C21D8/1255 ,  C21D8/1272 ,  C21D9/52 ,  C22C38/02

摘要： The present invention relates to a cold-rolled steel strip or sheet in thicknesses of ≦0.70 mm for electromagnetic applications, consisting of a steel containing (in % by weight) C: 1000° C. and has been final hot-rolled at a hot-rolling final temperature TF>800° C. to form a hot strip, which has then been cooled, starting from a temperature TC of the hot strip amounting to at least 750° C. but less than 850° C., at a cooling speed ΔT/Δt of at least 400° C./min. to a temperature of less than 300° C., subjected after cooling to a surface treatment such as mechanical descaling and/or pickling, after the surface treatment has been cold-rolled at a temperature amounting to maximum 500° C., and has finally been final-annealed.

摘要翻译： 本发明涉及电磁应用的厚度<= 0.70mm的冷轧钢带或片，由含有（重量％）C：<0.01％，Si：3.2-7％，Al： <2％，Mn：<= 1％，其余为铁和常规杂质，其在熔炼后被铸造形成基材，例如板坯，薄板坯或薄带，然后将其加热 通过温度T 1000℃，并且在热轧最终温度T F F / 800℃下最终热轧，以形成热带 ，然后冷却，从热条的温度T℃开始至少750℃但小于850℃，至少冷却速度DeltaT / Deltat至少 400℃/ min。 在低于300℃的温度下，在冷却至表面处理如机械除锈和/或酸洗之后，在表面处理在最大温度为500℃的温度下进行冷轧后， 被最终退火。