| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide an economic austenitic stainless steel welded joint having high creep strength, excellent weldability and a high P content. <P>SOLUTION: The austenitic stainless steel welded joint has composition comprising, by mass, 0.05 to 025% C, ≤2% Si, 0.01 to 3% Mn, 0.05 to 0.5% P, ≤0.03% S, 15 to 30% Cr, 6 to 55% Ni, 0.001 to 0.1% sol.Al and ≤0.03% N, and the balance Fe with impurities, and satisfying the inequality of ä(Cr+1.5×Si+2×P)/(Ni+0.31×Mn+22×C+14.2×N+5×P)≥1.388}, wherein each atomic symbol in the inequality denotes the content by mass% of the element. <P>COPYRIGHT: (C)2008,JPO&INPIT |
