SS ER 309 L

Chemical Composition Analysis

Grade I
Type Minimum maximum
C - 0.03%
Mn 1.00% 2.50%
Si 0.30% 0.65%
S - 0.03%
P - 0.03%
Cr 23.00% 25.00
Ni 13.00% 14.00%
Mo - 0.75%
Cu - 0.75%


Grade II
Type Minimum maximum
C - 0.03%
Mn 1.00% 2.50%
Si 0.30% 0.65%
S - 0.03%
P - 0.03%
Cr 23.00% 25.00
Ni 12.00% 13.00%
Mo - 0.75%
Cu - 0.75%