发明名称 |
AUSTENITIC STEEL ALLOY HAVING EXCELLENT CREEP STRENGTH AND RESISTANCE TO OXIDATION AND CORROSION AT ELEVATED USE TEMPERATURES |
摘要 |
An austenitic steel alloy having excellent creep strength and resistance to oxidation and corrosion at elevated use temperatures up to approximately 750° C. has the following chemical composition (in weight %): 0.02≦̸C≦̸0.15%; 0.1≦̸Si≦̸2.0%; 25≦̸Cr≦̸33%; 22≦̸Ni≦̸38%; 1≦̸Mo≦̸6%; 0.4≦̸Nb≦̸1.5%; B≦̸0.0120%; 0.01≦̸N≦̸0.2%; Mn≦̸2%; Co≦̸5%; W≦̸2%; Al≦̸0.05%; Cu≦̸5%; Ti≦̸0.5%; Ta≦̸0.5%; V≦̸0.5%; P≦̸0.05%; S≦̸0.05%, Remainder iron with melting related impurities and optional addition of rare earths and reactive elements such as Ce, Hf, La, Re, Sc and/or Y of together 1%. |
申请公布号 |
KR20150023935(A) |
申请公布日期 |
2015.03.05 |
申请号 |
KR20157002921 |
申请日期 |
2013.06.27 |
申请人 |
SALZGITTER MANNESMANN STAINLESS TUBES GMBH |
发明人 |
MENTZ JULIANE;SPIEGEL MICHAEL;KONRAD JOACHIM;SCHRAVEN PATRICK |
分类号 |
C22C38/44;C22C38/48;C22C38/60 |
主分类号 |
C22C38/44 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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