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5. WELDING PARAMETERS TABLE
Parameters for TIG electrode
Electrode diameter
Amperage range
on DCEN Straight
polarity
Amperage range on
DCEP Straight polarity
Amperage range on AC
mm inch
1
.040" 15-80 / 20-60
1.6 1/16 70-150 10-20 60-120
2.4 3/32" 150-250 15-30 100-180
3.2 1/8" 250-400 15-40 160-250
4 5/32" 400-500 40-55 200-320
Parameters for TIG welding on stainless steel sheet (for reference only)
Electrode diameter mm
(inch)
Plate thickness mm
(inch)
Welding current(A) Gas flow(L/min)
1~2mm
(0.040”-5/64”)
1~3mm
(0.040”- 0.12”)
50 5
50~80 6
2~4mm
(5/64”-5/32 “)
3~6mm
(0.12”-0.24”)
80~120 7
121~160 8
161~200 9
201~300 10
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