Comparc ALPHA TIG 252 - DP, Owner'S Manual

Page: 27 / 31

21
Argon Gas , Gas type - Polarity
TABLE 8-1 TUNGSTEN SIZE
Electrode
Diameter
DC Positive
E le ct r od e
R ev er se Polar ity
DC - Negative
E le ct r od e
Str aigth Polar ity
AC Using High
Frequency
AC - balanced Wave
u s i n g
high fr equency
Thru 15
5 - 20
15 - 80
70 - 150
125 - 225
225 - 360
360 - 450
450 - 720
720 - 950
*
*
*
10 - 20
15 - 30
25 - 40
40 - 55
55 - 80
80 - 125
Thru15
5 - 20
10 - 60
50 - 100
100 - 160
150 - 210
200 - 275
250 - 350
325 - 450
Thru 15
10 - 20
20 - 30
30 - 80
60 - 130
100 - 180
160 - 240
190 - 300
250 - 400
.010"
.120"
.040"
1/16"
3/32"
1/8"
5/32"
3/16"
1/4"
2% Thorium Alloyed
Tungsten (Red Band)
.010"
.020"
.040"
1/16"
3/32"
1/8"
5/32"
3/16"
1/4"
Thru 25
15 - 40
25 - 85
50 - 160
135 - 235
250 - 400
400 - 500
500 - 750
750 - 1000
*
*
*
10 - 20
15 - 30
25 - 40
40 - 55
55 - 80
80 - 125
Thru 15
5 - 20
20 - 60
60 - 120
100 - 180
160 - 250
200 - 320
290 - 390
340 - 525
Zirconium Alloyed
Tungsten (Brown Band)
Thru 15
5 - 20
20 - 60
60 - 120
100 - 180
160 - 250
200 - 320
290 - 390
340 - 525
Thru 20
15 - 35
20 - 80
50 - 150
130 - 250
225 - 360
300 - 450
400 - 550
600 - 800
*
*
*
*
*
*
*
*
*
*
*
*
*
*
*
*
*
*
.010"
.020"
.040"
1/16"
3/32"
1/8"
5/32"
3/16"
1/4"
Pure tungsten
( Green Band )
Thru 20
15 - 35
20 - 80
50 - 150
130 - 250
225 - 360
300 - 450
400 - 500
600 - 800
The gas flow Argon is of 15 to 35 cubic feet per hour.
* Is not recommended.
This list is a guide recommended by the American W elding Society (AW S) and the electrode manufacturers.
SECTION 8 TUNGSTEN ELECTRODE
NOTE
8-1 SELECTING TUNGSTEN ELECTRODE.
For more information, it consult to your distributor on the TIG process.
Use clean glov es to prev ent polution in the tungsten electrode.