Structural Component

Abstract: This structural component is formed from a steel sheet, and has a flat sheet part 10a and a bent part 10b. The bent part 10b satisfies the following formula (1), formula (2), and formula (3). (1): 28=varea=45 (2): 0.17=r/t=6.90 (3): 0.22=n' Wherein varea represents the square root [µm] of a projection area of a minute defect on the bending inner side of the bending part 10b, r represents the minimum value [mm] of the curvature radius on the bending inner side of the bending part 10b, t represents the sheet thickness [mm] of the flat sheet part 10a, and n' represents nano-hardness interquartile range/average nano-hardness of the flat sheet part 10a.

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