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CHART 1 -
Select tungsten diameter and alumina nozzle based on current and application.
Color
Tungsten Types
Gold
1.5% Lanthanated
Blue
2% Lanthanted
Grey
2% Ceriated
Chartreuse
1.5% Lanthanum,
or Purple
0.08% Zirconium,
0.08% Yttrium
White
0.08% Zirconiated
Tungsten
Cup Size DC Polarity
Diameter
Amp Range
0.020"
3, 4 or 5
2-20
0.040"
4 or 5
15-80
1/16"
4, 5 or 6
30-140
3/32"
6, 7 or 8
60-220
1/8"
7, 8 or 10 220-325
5/32"
8 or 10
300-375
CHART 2 -
Select Collet/Collet body or Gas Lens Collet body (requires insulator) based on
tungsten diameter and application.
Tungsten Electrode
Collet Part No.
Diameter in. (mm)
(Industry Ref.)
.020 (0.5)
KP2029-1B1 (13N20)
.040 (1.0)
KP2029-2B1 (13N21)
1/16 (1.6)
KP2029-3B1 (13N22)
3/32 (2.4)
KP2029-4B1 (13N23)
1/8 (3.2)
KP2029-5B1 (13N24)
CHART 3
(Alumina Gas Nozzle)
Size
Nozzle Orifice Dia. In.
(16th of an inch)
(mm)
1/4 (6)
4
5/16 (8)
5
3/8 (10)
6
7/16 (11)
7
1/2 (12.5)
8
5/8 (16)
10
8
AC
DC
Applications
Polarity
Polarity
Good choice for welding titanium, nickel,
X
copper, mild steel and stainless steel.
X
X
Good all around choice for both AC and DC, in welding
X
X
low alloyed & non-corroding steels, aluminum,
X
X
magnesium, titanium, nickel, and copper.
X
A very good choice for aluminum or magnesium alloys.
AC Polarity
Amp Range
2-20
20-80
40-150
70-230
240-350
350-375
Collet Body Part No.
(Industry Ref.)
KP2031-1B1 (13N25)
KP2031-2B1 (13N26)
KP2031-3B1 (13N27)
KP2031-4B1 (13N28)
KP2031-5B1 (13N29)
-
Select alumina gas nozzle orifice size based on application.
Standard gas nozzle, 1-27/32" (46.8mm) long, or gas lens,
1-5/8" (41.2mm) long.
Standard Nozzle Part No.
(Industry Ref.)
KP2017-1B1 (13N08)
KP2017-2B1 (13N09)
KP2017-3B1 (13N10)
KP2017-4B1 (13N11)
KP2017-5B1 (13N12)
KP2017-6B1 (13N13)
Gas Lens Collet Body Part No.
(Industry Ref.)
KP2033-1B1 (45V41)
KP2033-2B1 (45V42)
KP2033-3B1 (45V43)
KP2033-4B1 (45V44)
KP2033-5B1 (45V45)
Gas Lens Part No.
(Industry Ref.)
KP2019-1B1 (53N58)
KP2019-2B1 (53N59)
KP2019-3B1 (53N60)
KP2019-4B1 (53N61)
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