Research on Heat Source Model and Weld Profile for Fiber Laser Welding of A304 Stainless Steel Thin Sheet

Table 2

Process parameters of laser welding in different conditions.

Number	Power (W)	Welding speed (m/min)	Focus position (mm)	Gas pressure (MPa)
1	200	2	0	0.15
2	250	2	0	0.15
3	300	2	0	0.15
4	350	2	0	0.15
5	400	2	0	0.15
6	250	2	0	0.15
7	250	1.6	0	0.15
8	250	1.2	0	0.15
9	250	0.8	0	0.15
10	250	0.4	0	0.15