ER 90S - B9

Chemical Composition Analysis

Type Minimum maximum
C 0.07% 0.13%
Mn - 1.20%
Si 0.15% 0.50%
S - 0.01%
P - 0.01%
Ni - 0.80%
Cr 8.00% 10.50%
Mo 0.85% 1.20%
V 0.15% 0.30%
Al - 0.04%
Cu - 0.20%