Effect of Rare Earth Ce on the Microstructure and Mechanical Properties of 34CrNiMo6 Steel for Wind Turbine Main Shaft

Table 1

Chemical compositions of 34CrNiMo6 steel (mass fraction, %).

Element	Ce	C	Si	Mn	P	S	Cr	Mo	Ni
Standard value BS EN 10083-3: 2006	—	0.30–0.38	0.40	0.50–0.80	0.025	0.035	1.30–1.70	0.15–0.30	1.30–1.70
1#	0	0.35	0.23	0.76	0.011	0.001	1.58	0.22	1.53
2#	0.01	0.32	0.22	0.76	0.011	0.001	1.59	0.23	1.54
3#	0.025	0.33	0.24	0.77	0.011	0.001	1.56	0.23	1.54
4#	0.05	0.34	0.21	0.77	0.011	0.001	1.55	0.24	1.55
5#	0.11	0.33	0.24	0.75	0.011	0.001	1.57	0.23	1.54