Steel, steel structural part, electronic device, and steel structural part preparation method

An electronic device, comprising a steel structural part, wherein a material used by the steel structural part comprises a steel, the steel comprising:

• Fe, wherein a weight percentage of Fe in the steel is ≥60.67 wt %;
• Cr, wherein a weight percentage of Cr in the steel is 8.01 wt % to 8.99 wt %;
• Ni, wherein a weight percentage of Ni in the steel is 6 wt % to 7 wt %;
• Co, wherein a weight percentage of Co in the steel is 15.01 wt % to 15.99 wt %;
• Mo, wherein a weight percentage of Mo in the steel is 5.5 wt % to 6.5 wt %;
• Nb, wherein a weight percentage of Nb in the steel is ≤0.5 wt %;
• O, wherein a weight percentage of O in the steel is ≤0.3 wt %;
• and
• C, wherein a weight percentage of C in the steel is ≤0.05 wt %.