Title:
HIGH MAGNETIC INDUCTION AND LOW IRON LOSS NON-ORIENTED ELECTRICAL STEEL SHEET WITH GOOD SURFACE STATE AND MANUFACTURING METHOD THEREFOR
Document Type and Number:
WIPO Patent Application WO/2016/150195
Kind Code:
A1
Abstract:
A high magnetic induction and low iron loss non-oriented electrical steel sheet with a good surface state, having a chemical composition of 0 ＜ C ≤ 0.004%, 0.1% ≤ Si ≤ 1.6%, 0.1％ ≤ Mn ≤ 0.8%, 0.1% ≤ Al ≤ 0.6%, Ti ≤ 0.0015%, and the balance being Fe and other inevitable impurities, with 0.2% ≤ (Si+Al) ≤ 2.0% being satisfied. A method for manufacturing the steel sheet, comprising: a molten iron pretreatment, smelting with a converter, RH refining, casting into blanks, hot rolling, acid pickling, cold rolling, annealing and coating. The non-oriented electrical steel sheet has excellent magnetism, an ultralow iron loss and a higher steel mass purity as well as a good surface quality.
Inventors:
ZHANG FENG (CN)
WANG BO (CN)
SONG YANLI (CN)
LV XUEJUN (CN)
MA AIHUA (CN)
HUANG CHANGGUO (CN)
WANG BO (CN)
SONG YANLI (CN)
LV XUEJUN (CN)
MA AIHUA (CN)
HUANG CHANGGUO (CN)
Application Number:
PCT/CN2015/096635
Publication Date:
September 29, 2016
Filing Date:
December 08, 2015
Export Citation:
Assignee:
BAOSHAN IRON & STEEL (CN)
International Classes:
C22C38/14; C21D8/12; C22C38/06
Domestic Patent References:
| WO2012087045A2 | 2012-06-28 |
Foreign References:
| CN103388106A | 2013-11-13 | |||
| CN104789862A | 2015-07-22 | |||
| CN102134675A | 2011-07-27 |
Other References:
See also references of EP 3272898A4
Attorney, Agent or Firm:
SHANGHAI PATENT & TRADEMARK LAW OFFICE, LLC (CN)
上海专利商标事务所有限公司 (CN)
上海专利商标事务所有限公司 (CN)
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