| Name | Expertise | Status |
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Ernie Leimkuhler
U.S.
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| Questions about Oxy-Acetylene welding/cutting, MIG, TIG, Flux-core, Stick welding,
brazing and soldering, bike frames, air frames, motorcycle frames, structural welding,
pipeline welding.Also questions about Welding Certifications. All questions about
fabrication of metals (stainless steel, steel , aluminum, brass, bronze, copper). Some
questions about underwater welding. | Available
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Scratch
U.S.
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| I am a certified welder holding 3G 4G and 6G certifications with TIG STICK and MIG processes. Questions dealing with carbon and stainless steel components I could be most helpful in. | Available
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Ed Kerr
U.S.
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| I can answer questions about TIG,MIG and Stick welding, Oxy fuel and Plasma cutting. The affects welding and heat have on certain metals. Materials you can and cannot weld. What to do and not to do on pressure vessel and pipe repairs. | Available
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Dean Stewart
U.S.
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| Architectural fabrication and application questions.
Welding of all metals except for Aluminum.
TIG welding questions of all kinds. | Available
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Belinda R. Gattman
U.S.
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| Most on welding and fabrication, blueprints, pipefitting, orbital welding.
I can give advice on technique and choosing the right rods, process, and material to use. I know a few short cuts to use that may help in different areas. I have helped train new welders and have been welding in the construction industry for 31 years. | Available
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| Recent Answers |
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2008-11-30 warped aluminum sheet: That is gonna be bad. MIG distorts aluminum very badly. The only way to avoid that is to preheat the aluminum and run short MIG pulses, preferably with a pulser. After the fact all you can do is hammer...
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2008-11-27 TIG root pipe "6G": I would have to see the exact code you are testing to, there are several. Some specify weld direction, others don't. Uphill is traditional for pipe roots, and it is the better skill to master. I recommend...
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2008-11-21 Cap weld: Cover passes on 7018 are often completed with a wide weave to make a smoother weld. If done correctly it can be fine. However it is much more likely you will get slag inclusions with a weaving cover...
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2008-11-20 refilling oxy acetylene welding tanks: They WERE their property, but technically they are just "ownership" tanks and not rentals. Ownership tanks can be bought and sold freely. As long as the tank's last inspection date is still valid...
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2008-11-19 Welding 6011/7018: A classic Whip technique is a standard method for running 6010 and 6011. Start with a flat fillet weld. The rod should be about 15 degrees up from the table and 15 degrees in the direction of travel...
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