Effect of Microstructure on the Corrosion Fatigue Crack Growth of Low and Medium Steels

Table 2

Chemical composition of 15CrMo.

Chemical element	C	Si	Mn	P	S	Cr	Ni, Cu	Mo
Quality percentage %	0.12∼0.18	0.17∼0.37	0.40∼0.70	≤0.035	≤0.035	0.80∼1.10	≤0.30	0.40∼0.55