Optimization of FCAW Parameters for Ferrite Content in 2205 DSS Welds Based on the Taguchi Design Method

Table 2

Process parameters and design levels used in experiments.

Parameters	Symbol	Units	Level 1	Level 2	Level 3
Welding current	I	Ampere	160	200	240
Welding voltage	U	Volt	20	23	26
Welding speed	S	cm/min	18	22	26
Torch angle with reference to vertical	T	Degree	0	15	30