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1发明要点及步骤钢水成分:w(Si)1.0%~3.5%,w(Al)0.5%,w(Cr)0.1%~3.0%,w(Mn)0.1%~1.0%,w(S)0.01%,w(Se)0.01%,w(N)0.005%,w(C)0.01%,此外还含有其它元素残留量,如w(Ti)、w(Nb)和(或)w(V),数量不超过0.005%。更适宜的成分为:w(Si)1.5%~3.0%;w(Al)0.05%,w(Cr)0.15%~2.0%;w(C)0.005
1, the invention of the main points and steps of the molten steel composition: w (Si) 1.0% to 3.5%, w (Al) 0.5% w (Cr) 0.1% to 3.0% w (Mn) 0.1% to 1.0% w (w), 0.01% of w (Se), 0.005% of w (N) and 0.01% of w (C), as well as residual amounts of other elements such as w The quantity does not exceed 0.005%. More suitable components are: w (Si) 1.5% to 3.0%; w (Al) 0.05%; w