Table 1.

Experimental condition of MPAW for 304 stainless steel diaphragms.

Parameter	Value	Parameter	Value
Welding materials	304 stainless steel diaphragms	Shielding gas	99.99% pure argon
Type of welding seam	Edge joint	Shielding gas flow rate	20.0 SCFH
Peak current	3.0–5.0 A	Plasma gas	99.99% pure argon
Base current	1.5–2.5 A	Plasma gas flow rate	0.4 L/min
Pulse rate	0–100 pps	Clamp distance	0.25 mm
pulse width	50%	CTWD	1.0 mm
Travel speed	3.65–13.15 mm/s	Electrode diameter	1.0 mm