Solution strengthening type austenitic steel thin plate

摘要

PROBLEM TO BE SOLVED: To provide a solid-solution strengthened austenitic steel thin plate that can cope with more and more thinning of a base material by improving tension, namely strength, and also has excellent low thermal expansion properties.SOLUTION: A solid-solution strengthened austenitic steel thin plate comprises, in mass%, Ni: 34-38%, Mn: 1% or less, and one or both of Mo and W (Mo: more than 5% and 10% or less and W: 1-5%), with the balance being Fe and impurities. Preferably, the solid-solution strengthened austenitic steel thin plate has a thickness of 300 μm or less.SELECTED DRAWING: None