From: Wear Characteristics of the Nuclear Control Rod Drive Mechanism (CRDM) Movable Latch Serviced in High Temperature Water
Element
Co
Cr
Fe
C
Ni
W
Si
Point A
14.2
68.5
0.0
11.8
3.0
Point B
60.1
19.4
6.8
4.5
3.6
2.8
1.8