Optimization of Cryogenic Process Parameters for the Minimization of Surface Residual Stress in Pure Iron Using Taguchi Design

Table 6

The chemical composition of pure iron blanks.

Element	Wt%
Fe	>99.8
C	0.013
Si	0.028
Mn	0.029
Ni	0.035
S	0.02
Cr	0.02
Cu	0.034
P	0.0072
Al	0.0023