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. Author manuscript; available in PMC: 2015 Dec 16.
Published in final edited form as: Weld J. 2012 Sep;91(9):241s–246s.

Table 1.

Operating Variables for Generated Welding Fume Samples

Shielding Gas Gas Flow Weld Mode Wire Feed cm/min Voltage (V) Current (A)
Ar/CO2 99%/1% 19 L/min Short circuit 320 17–18 120
Ar/O2 99%/1% 19 L/min Short circuit 320 17–18 125
He/Ar/CO2 90%/7.5%/2.5% 19 L/min Short circuit 320 19.5 100
Ar/CO2 99%/1% 19 L/min Axial spray 760 25 200
Ar/O2 99%/1% 19 L/min Axial spray 760 23 200
Ar/O2 98%/2% 19 L/min Pulsed spray 760 0.9 V trim (pulsed)
Ar/CO2 75%/25% 19 L/min FCAW 760 26 160
none none SMAW     361(a) ~20 150
(a)

Equivalent wire feed speed based on an equal mass consumption rate.