Evaluation of the Methods for Estimating the Fully Reversed Unnotched Fatigue Limits of Steels

Table 5

Comparison of estimation methods in terms of evaluation values.

	HB-based	σu-based	FPCM	MFPCM	USM	MUSM	MM	HM
±10%	0.544	0.450	0.440	0.102	0.327	0.392	0.427	0.392
±20%	0.865	0.772	0.687	0.361	0.608	0.754	0.766	0.766
±30%	0.977	0.965	0.892	0.512	0.877	0.889	0.918	0.895
SD	0.155	0.170	0.199	0.353	0.240	0.182	0.167	0.187