Research on Fatigue Damage in High-Strength Steel (FV520B) Using Nonlinear Ultrasonic Testing

Table 1

Chemical composition of FV520B (wt.%).

C	Si	Mn	P	S	Ni	Cr	Cu	Nb	Mo	Fe
≤0.07	≤0.07	≤1.0	≤0.03	≤0.03	5.0–6.0	13.2–14.5	1.3–1.8	0.25–0.45	1.3–1.8	Ba1