Tweco 200 ACDC Arcmaster(April2006) - 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