4140 plate equivalent 42CrMo4 Plate

4140 plate equivalent which grade of steel,and how is the differece?

C Si Mn S P  Cr Mo
42CRMO4 0.38-0.45 0.17-0.37 0.50-0.80 ≤0.035 ≤0.035 0.90-1.20 0.15-0.25
4140 0.38-0.43 0.15-0.35 0.75-1.00 ≤0.040 ≤0.035 0.80-1.10 0.15-0.25

4140 plate equivalent