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

Table 1

Chemical composition of 45 steel.

Chemical element	C	Si	Mn	P	S	Cr	Ni	Cu
Quality percentage %	0.42∼0.50	0.17∼0.37	0.50∼0.80	≤0.035	≤0.035	≤0.25	≤0.25	≤0.25