| 摘要 |
<p>PROBLEM TO BE SOLVED: To provide a weld article of low Ni austenitic stainless steel sheet having good corrosion resistance of a weld HAZ part while maintaining necessary strength.SOLUTION: There is provided a weld article of low Ni austenitic stainless steel sheet containing, by mass%, C: 0.04 to 0.15%, Si: 1.50% or less, Mn: 2.0 to 6.0% or less, P: 0.06% or less, S: 0.005% or less, Ni: 1.0 to 4.9%, Cr: 15.0 to 19.0% or less, Cu: 1.0 to 3.5%, N: 0.04 to 0.20%, Sn: 0.02% or less, B: 0.001 to 0.010% and the balance substantially being Fe and inevitable impurities, and having no sensitized structure when etching a weld HAZ part with current of 1A per 1 cmof area in 10% oxalic acid solution for 90 seconds.</p> |
