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    • 10. 发明授权
    • Steel having excellent corrosion resistance and steel having excellent
corrosion resistance and workability
    • 具有优异的耐腐蚀性的钢和具有优异的耐腐蚀性和可加工性的钢
    • US5720920A
    • 1998-02-24
    • US783472
    • 1997-01-14
    • Kenji KatoAkihiro Miyasaka
    • Kenji KatoAkihiro Miyasaka
    • C22C38/06C22C38/18
    • C22C38/18C22C38/06
    • The present invention relates to a steel having excellent corrosion resistance and workability and more particularly to a steel having excellent corrosion resistance and workability in an exhaust system of internal combustion engines in, for example, internal combustion engines in automobiles and ships. A steel having excellent corrosion resistance and a steel having excellent corrosion resistance and workability, characterized by comprising Si: not less than 0.01 to less than 1.2%, Mn: 0.1 to 1.5%, Cr: 2.5 to 9.9%, and Al: more than 3.0 to 8.0%, and, reduced to, C: not more than 0.02%, P: not more than 0.03%, S: not more than 0.01%, and N: not more than 0.02%, and further comprising 0.01 to 0.5% in total of Nb, V, Ti, Zr, Ta, and Hf so as to meet a particular conditional formula, or further comprising at least one member selected from Cu, Mo, Sb, Ni, W, rare earth elements, and Ca, with the balance consisting of Fe and unavoidable impurities.
    • 本发明涉及具有优异的耐腐蚀性和可加工性的钢,更具体地说,涉及在例如汽车和船舶的内燃机中的内燃机的排气系统中具有优异的耐腐蚀性和可加工性的钢。 具有优异耐腐蚀性的钢和具有优异的耐腐蚀性和加工性的钢,其特征在于,Si:不低于0.01至小于1.2%,Mn:0.1至1.5%,Cr:2.5至9.9%,Al:大于 3.0〜8.0%,C:不大于0.02%,P:0.03%以下,S:0.01%以下,N:0.02%以下,进一步含有0.01〜0.5% 总共有Nb,V,Ti,Zr,Ta和Hf,以满足特定的条件式,或者还包括选自Cu,Mo,Sb,Ni,W,稀土元素和Ca中的至少一种, 余量由Fe和不可避免的杂质组成。