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Practice of X80 pipeline steel production
Author(s): 
Pages: 46-49
Year: Issue:  1
Journal: Research on Iron and Steel

Abstract: 通过铁水预处理脱硫-120 t顶底复吹转炉脱磷-120 t顶底复吹转炉(脱碳)-LF-RH-板坯连铸-冷装-1 500 mm热连轧宽带成材-卷取,试生产了X80管线钢热轧宽带.试验结果表明:X80管线钢铸坯中w(T(O))为81×10-6,w(N)为58×10-6,w(H)<1×10-6;该钢的屈服强度(Rel)为600~640 MPa,抗拉强度(Rm)为720~765 MPa,伸长率(A)为28...
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