Shot Peening Effects on Subsurface Layer Properties and Fatigue Performance of Case-Hardened 18CrNiMo7-6 Steel

Table 1

Chemical composition of 18CrNiMo7-6 steel.

Element	C	S	Si	Mn	P	Cr	Ni	Mo	Fe
Composition (Wt.%)	0.15–0.21	≤0.035	≤0.40	0.50–0.90	≤0.025	1.50–1.80	1.40–1.70	0.25–0.35	Balance