Nickel-based alloy excellent in corrosion resistance and workability,申请号US19970893553-传众专利搜索

Nickel-based alloy excellent in corrosion resistance and workability

申请公布号：US5879818(A)

申请号：US19970893553

申请日期：1997.07.11

申请公布日期：1999.03.09

申请人：

SUMITOMO METAL INDUSTRIES, LTD.

发明人：KINOMURA, SYOJI;KAN, TAKAO;YAMADERA, YOSHIMI

分类号：C22C19/05;F22B37/04;F28F21/08;(IPC1-7):B32B15/02

主分类号：C22C19/05

摘要：An alloy having an excellent corrosion resistance and workability and being suitable particularly for seamless tubes of the industrial waste incineration boiler. The alloy consists essentially of, in weight %,: - up to 0.05% C, up to 0.5% Si, up to 0.5% Mn, - up to 0.01% P 20-25% Cr, 8-12% Mo, - more than 0.5% and up to 1.0% Nb, more than 15% and - up to 20% Fe, - up to 0.4% Al, up to 0.1% in total of rare earth metals, - up to 0.01% Ca, up to 0.01% Mg, up to 0.01% B, - and the balance Ni and incidental impurities, wherein the Fe content and the Nb content are defined so as to satisfy the following formula (a):Fe(%)>/=4xNb(%)+12.5(a)