Patent ID: 8303733

Claim:
A ferrite-austenite stainless steel sheet for structural components excellent in workability and impact-absorbing properties, comprising, in terms of mass %, C: 0.001 to 0.1%, N: 0.01 to 0.15%, Si: 0.01 to 0.5%, Mn: 0.1 to 10%, P: 0.05% or less, S: 0.01% or less, Ni: 0.5 to 5%, Cr: 10 to 25%, Cu: 0.5 to 5%, and a balance of Fe and unavoidable impurities, the ferrite-austenite stainless steel containing a ferrite phase as a main phase and 10% or more of an austenite phase, wherein a work-hardening rate in a strain range of up to 30% is 1000MPa or more, when measured by a static tensile testing, and a difference between static and dynamic stresses which occurs when 10% of deformation is caused is 150MPa or more.