05 guide for selecting filler wire diameter, 06 shielding gas selection, Arcmaster 200 ac/dc – Tweco 200 ACDC Arcmaster(April2006) User Manual
Page 43

ARCMASTER 200 AC/DC
April 13, 2006
7-3
7.05 Guide for Selecting Filler Wire Diameter
NOTE
The filler wire diameter specified in Table 7-4 is a guide only, other diameter wires may be used according
to the welding application
AC Current Range
DC Current Range
(Amps)
(Amps)
1/16” (1.6 mm)
30 - 95
20 - 90
3/32” (2.4 mm)
125 - 160
65 - 115
1/8” (3.2 mm)
180 - 240
100 - 165
3/16” (4.8 mm)
220 - 320
200 - 350
Filler Wire Diameter
Table 7-4: Filler Wire Selection Guide
7.06 Shielding Gas Selection
Shielding Gas
Argoshield is a registered trademark of BOC Gases Limited.
Aluminium & alloys
Welding Argon, Argoshield 80T, 81T
Carbon Steel
Welding Argon
Stainless Steel
Welding Argon, Argoshield 71T, 80T, 81T
Nickel Alloy
Welding Argon, Argoshield 71T
Copper
Welding Argon, Argoshield 81T
Titanium
Welding Argon, Argoshield 80T, 81T
Alloy
Table 7-5: Shielding Gas Selection
7.07 TIG Welding Parameters for Low Carbon & Low Alloy Steel Pipe
Current Range DC
Amperes
Thoriated 2%
3/32” (2.4 mm)
Thoriated 2%
3/32” (2.4 mm)
Thoriated 2%
3/32” (2.4 mm)
Electrode Type &
Diameter
Filler Rod for
Root Pass
Joint Preparation
120 - 170
Yes
100 - 160
Yes
90 - 130
No
Table 7-6: TIG Welding Parameters for Low Carbon & Low Alloy Steel Pipe