Training & Workshops
Open root welding of austenitic and duplex stainless steel with gas tungsten-arc welding (GTAW) is typically performed using an inert backing gas for purging, such as argon, to protect the root pass from atmospheric contamination and oxidation. In many cases, using a backing gas for purging is impractical due to system design, access limitations, personnel safety, schedule and various economic factors. Until recently the only options available for open root welding of austenitic and duplex stainless steel that eliminated the need for backing gas were: flux agents, flux coated/flux cored rods and gas metal-arc welding using the short-circuiting transfer (GMAW-S). Each of these options have been used successfully, to some degree, in diverse service environments.
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Now after extensive application research, development and testing the need for backing gas has been eliminated for open root welding of austenitic and duplex stainless steel using a semiautomatic GTAW hot wire welding system technically known as High Deposition Metal Transfer Gas Tungsten-Arc Welding (HDMTGTAW), combined with stainless steel or duplex flux cored wires (AWS/ASME A/SFA-5.22 and A/SFA-5.22M) and argon shielding. The HDMTGTAW system when combined with flux cored wire for the root pass and solid wire for the remainder of the weldment is a complete, cost effective system for welding the entire weld from root to cap that is capable of producing quality welds with high integrity.
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Presented By
Charles W. “Pat” Patrick | Scott Witkowski | Brad Berglan | Ramon Solo
Maverick Testing Laboratories, Inc.
10001 Porter Road, Suite 100
La Porte, Texas 77571
William F. Newell, Jr., PE, PEng, IWE
Euroweld, Ltd.
255 Rolling Hills Road
Mooresville, NC 28117
Juvenal Calvo
TIP TIG USA, LLC
155 E 9th Avenue
Runnemede, New Jersey 08078
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FABTECH 2018 is November 6-8 in Atlanta
TipTig USA is exhibiting at FABTECH 2018.
FABTECH is where the industry comes together to see what’s now, what’s new and what’s next. It’s where connections are made and where deals get done. See cutting-edge exhibits, learn from expert-led education, network with peers and more, Nov. 6-8 at the Georgia World Congress Center.
2019 API Inspection and Mechanical Integrity Summit ~ January 28-31 ~ Galveston Island,Texas
Pipe Trades Training and Technology Conference Expo ~ February 19 – 21, 2019 ~ San Diego, CA
Presentation and Weld Demonstration for Carbon and Stainless-Steel Applications using TIP TIG
- Reduce Conventional TIG Labor by Increasing Deposition Rates Up to 400%
- Lowest Weld Heat with Increased Corrosion Property Retention on all Alloys
- Reduces Regular TIG Welding Skills on Any Application
- Superior Weld Quality Compared to Conventional TIG
- Lowest Possible Weld Fumes on all Alloys with no Spatter or Grinding