Table 6.

Welding process parameters for each layer.

Layers	Welding Parameters	3 O’clock	4 O’clock	5 O’clock	6 O’clock
1st layer	Welding speed (cm/min)	59.9	55.1	55.5	52.1
	Current (A)	219.2	196.7	210.4	194.4
	Voltage (V)	25.2	25.1	24.7	24.8
	Swing width (mm)	0	0	0	0
2nd layer	Welding speed (cm/min)	45.5	42.8	41.8	38.7
	Current (A)	207.9	198.4	188.2	185.8
	Voltage (V)	25.7	25.2	24.8	23.8
	Swing width (mm)	1.2	1.3	1.7	1.7
	Swing time (ms)	120	120	120	120
	Swing speed (mm/s)	10	10.8	14.2	14.2
	Edge dwell time (ms)	40	60	80	80
3rd layer	Welding speed (cm/min)	45.3	42.5	38.9	39
	Current (A)	193.1	194.1	180.9	176.5
	Voltage (V)	25.5	25.2	23.8	24.5
	Swing width (mm)	1.2	1.3	1.7	1.7
	Swing time (ms)	120	120	120	120
	Swing speed (mm/s)	10	10.8	14.2	14.2
	Edge dwell time (ms)	40	60	80	80
4th layer	Welding speed (cm/min)	47.7	43.8	37.7	37.1
	Current (A)	203	202.7	187.1	176
	Voltage (V)	25.3	24.4	23.8	24
	Swing width (mm)	1.8	2	2.4	2.4
	Swing time (ms)	120	120	120	120
	Swing speed (mm/s)	15	16.7	20	20
	Edge dwell time (ms)	40	60	80	80
5th layer	Welding speed (cm/min)	47.3	43.6	41.7	36.9
	Current (A)	199.2	184	177.5	189.1
	Voltage (V)	25.3	24.8	24.3	23.8
	Swing width (mm)	1.8	2	2.4	2.4
	Swing time (ms)	120	120	120	120
	Swing speed (mm/s)	15	16.7	20	20
	Edge dwell time (ms)	40	60	80	80
6th layer	Welding speed (cm/min)	44	43.5	43.9	41.6
	Current (A)	230	229.4	200.3	170.8
	Voltage (V)	25.4	25.2	24.9	24
	Swing width (mm)	2.4	2.6	3	3
	Swing time (ms)	150	150	150	150
	Swing speed (mm/s)	16	17.3	20	22
	Edge dwell time (ms)	40	60	80	80