Table 1: Chemical composition of the workpiece.

C%	Si%	Mn%	P%	S%	Cr%	Mo%	Ni%	Cu%	Al%	Ti%	Sn%	V%
0.43	0.24	0.79	<0.035	0.024	1.10	0.19	0.022	0.025	0.029	0.004	0.002	0.005