| 摘要 |
<p>PROBLEM TO BE SOLVED: To suppress a crack when falling or a production cost, in a large-size tank for a chemical liquid assembled by joining a plurality of members.SOLUTION: A large-size tank for a chemical liquid has a body member in which a bottom face and a lid are joined to a cylindrical body part by seam welding. The downmost end of the cylindrical body part is made to be an outward curl shape, and the large-size tank for a chemical liquid uses a ferritic stainless steel added with 0.1 mass% or greater of each of Cu and Nb, or a ferritic stainless steel added with 0.3 mass% or greater of Mo and 0.1 mass% or greater of Nb, as a tank material.</p> |
