8/2/2019 Cold and Hot Wire Tig Pulse
1/19
Courtesy of G. Wrights Welding Ltd.
Cold and Hot Wire
Pulsed GTAWPresented
byGalen Wright
8/2/2019 Cold and Hot Wire Tig Pulse
2/19
Courtesy of G. Wrights Welding Ltd.
Welding of Cast Duplex
to Forged Duplex
8/2/2019 Cold and Hot Wire Tig Pulse
3/19
Courtesy of G. Wrights Welding Ltd.
Welding Procedure Specs
Material Spec
P10H GR 1 to A890-4A
Filler Material
ER329N Metrode, AWS 2209
Bare (Solid) Wire
0.090 & 0.045
Preheat Temperature
200 F
Interpass
300 F
Position
1G
Base Metal Thickness
Sour Service
0.188 to 2.0
Sour Service with Impact
0.625 to 2.0
Qualify Temperature
-75 F
Postweld Heat Treat N/A
8/2/2019 Cold and Hot Wire Tig Pulse
4/19
Courtesy of G. Wrights Welding Ltd.
Welding Process
Manual, Semi-Automatic,Automatic
Groove Design
Single V 75/24 Shielding Gas
99.98 % Argon
Flow Rate 30 CFH
Backing Gas 99.98 % Argon
30 CFH
Electrical Characteristics Polarity
DC Straight
Tungsten 2% Thoriated1/8
Heat Input Max 35,000 Joules /inch
Min 20,000 Joules/inch
8/2/2019 Cold and Hot Wire Tig Pulse
5/19
Courtesy of G. Wrights Welding Ltd.
Test Acceptance Criteria
Tensile Strength (Min)
Elongation (%) 2 inch
Charpy Impact Energy
(Avg /Single) Impact Temperature
Lateral Expansion
Hardness
Ferrite Content (%)
Pitting Corrosion @ 25 C
90,000 PSI (621 MPa)
25.0 (Min)
50/38 ft-lbs (Min)
[68/52 J(Min)]-75 F
0.38 mm
28 HRc (Max) [310 Hv (Max)]
97 HRb (Min) [232 Hv (Min)]
35 - 60
4 g/m2 (Max)
8/2/2019 Cold and Hot Wire Tig Pulse
6/19
Courtesy of G. Wrights Welding Ltd.
Test Results
Test Procedure forTensile ASTM A370/ASME IX
Bend Test ASME IX
Hardness Test ASTM E92 (Vickers)
/ BS EN 288 ASTM E18
(Rockwell)/API 6A
CVN Impact Test Temp -75 F
ASME VIII Div 1 UG-84
/ASTM A370; V-Notch Ferrite Content
ASTM E652
Test Results
Weld Cap 54.8% Weld Root 58.6%
Corrosion Test ASTM G46 Method A
8/2/2019 Cold and Hot Wire Tig Pulse
7/19
Courtesy of G. Wrights Welding Ltd.
Weld Station Setup
8/2/2019 Cold and Hot Wire Tig Pulse
8/19
Courtesy of G. Wrights Welding Ltd.
Weld Station Setup
8/2/2019 Cold and Hot Wire Tig Pulse
9/19
Courtesy of G. Wrights Welding Ltd.
XM Module Setup
8/2/2019 Cold and Hot Wire Tig Pulse
10/19
Courtesy of G. Wrights Welding Ltd.
Root Pass - Manual
8/2/2019 Cold and Hot Wire Tig Pulse
11/19
Courtesy of G. Wrights Welding Ltd.
Back Side Root
8/2/2019 Cold and Hot Wire Tig Pulse
12/19
Courtesy of G. Wrights Welding Ltd.
Fill Passes with Hot Wire TIG
8/2/2019 Cold and Hot Wire Tig Pulse
13/19
Courtesy of G. Wrights Welding Ltd.
Fill Pass Progression to Cap
8/2/2019 Cold and Hot Wire Tig Pulse
14/19
Courtesy of G. Wrights Welding Ltd.
Completed Butt Welds
8/2/2019 Cold and Hot Wire Tig Pulse
15/19
Courtesy of G. Wrights Welding Ltd.
Bore Weld Seal Surface
8/2/2019 Cold and Hot Wire Tig Pulse
16/19
Courtesy of G. Wrights Welding Ltd.
Seal Surface Repair
8/2/2019 Cold and Hot Wire Tig Pulse
17/19
Courtesy of G. Wrights Welding Ltd.
XM Cladding Samples
8/2/2019 Cold and Hot Wire Tig Pulse
18/19
Courtesy of G. Wrights Welding Ltd.
Narrow Groove Butt Weld
8/2/2019 Cold and Hot Wire Tig Pulse
19/19
Courtesy of G. Wrights Welding Ltd.
G. Wrights Welding Ltd
9424- 58 Ave NWEdmonton, Alberta
T6E 0B6
780-435-5755