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Recommended Welding Wire Size Chart

WIRE SIZE CHART

RECOMMENDED WIRE SIZES

MIG SOLID WIRE GASLESS FLUX-CORED WIRE
MATERIAL THICKNESS .024" .030" .035" .045" .030" .035" .045"
24 Gauge (.025) X
22 Gauge (.031) X X X
20 Gauge (.037) X X X X
18 Gauge (.050) X X X X X
16 Gauge (.063) X X X X X
14 Gauge (.078) X X X X X X
1/8" (.125) X X X X X
3/16" (.188) X X X X
1/4" (.25) X X X
5/16" (.313) X X X
3/8" (.375) X X X

 

Multi-pass welding or a beveled joint design may be required on material thickness 3/16" and greater depending on your welding machine's amperage capability.