Metallurgical and Mechanical Research on Dissimilar Electron Beam Welding of AISI 316L and AISI 4340

Table 1

The chemical composition of the base metals.

Material elements	Si	P	S	C	Mo	Mn	Ni	Cr	Fe
AISI 316L	0.39	0.031	0.005	0.027	2.89	1.84	10.65	16.62	68.95	19.9	12.38
AISI 4340	0.35	0.010	0.001	0.391	0.21	0.79	1.90	0.88	74.79	1.44	13.99