Species

Binding energy (eV)

Atomic concentration of element (%)

Mild steel

Cast iron

10% chromium

20% chromium

Fe_2p

712.0/726.0

12.1

8.1

7.3

6.9

S_2p

160.5/164.2/168.8

11.7

20.4

22.7

24.1

Pb_4f

137.4/138.6

7.2

11.4

10.2

13.6

O_1s

531.5

69

60.1

59.8

55.4