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#1 | |
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Yep, your gonna need stitches
Join Date: Jun 2009
Location: Kenner, Louisiana
Posts: 85
Credits: 270.6
Boat: 20 Wellcraft
Home Port: Kenner, Louisiana
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Thanks for any help.. Tommy
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#2 |
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If Ignorance is bliss, Why aren't more people happy?
Join Date: Jan 2007
Location: Raleigh, MHC
Posts: 5,862
Credits: 8,441.2
Boat: Luhrs 36
Home Port: MHC
Occupation: Supporting my Tackle habit
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With proper preparation, welding galvanized steel is just loke welding other steel - with one big exception - the zinc dip is toxic nasty stuff - especially when burned during welding...
Could you cover the area in question with a section of U-Channel and bolt it on instead? |
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#3 |
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I think Admin is going to let me have this space
Join Date: Jun 2007
Posts: 1,267
Credits: 3,443.1
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If the metal is in good condition - Weld it "no problem". You may want to spray it with cold galv. after it's been welded, it's not as good as hot dipped but it will work.
Capt Rick Last edited by rarhomes; 07-02-2009 at 05:45 PM. |
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#4 |
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I think Admin is going to let me have this space
Join Date: Apr 2008
Location: Rock Hill SC (Charlotte)
Posts: 1,239
Credits: 3,763.0
Best Catch: Duckie
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Rabbit just make sure if you get it welded who ever does the work grinds off the galvinizing where the weld penetration will be. There is some rod that will burn through it but for anything structural its not worth the risk. We used alot of hot galv in our parking deck connections and it HAD to be ground off or it would be rejected meaning if there werent grind marks around the weld it was a no go. If its done right you wont have any issues. Grind the whole area near the weld and cold spray it with a good galv paint after its fixed and check the paint every couple of months.
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#5 | |
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I think Admin is going to let me have this space
Join Date: Jun 2007
Posts: 1,267
Credits: 3,443.1
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Quote:
Capt Rick |
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#6 |
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I think Admin is going to let me have this space
Join Date: Apr 2008
Location: Rock Hill SC (Charlotte)
Posts: 1,239
Credits: 3,763.0
Best Catch: Duckie
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I agree for the most part welding will burn of the hot dip but if its my boat on the trailer Im not taking the chance. I wasnt talking about pipe we built the decks themselves these were plate to plate connection or slug to plate. Ive seen two 6"x6"x3/8" galv plates butt welded together without removing the galv with a weld that was passed by a CWI that when you smack it over a block the weld would fail. Im not arguing with you but inspecting welds was something I did for a living and for something thats going down the road with god knows how much of a boat on it. Grind the galv off.
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#7 |
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I think Admin is going to let me have this space
Join Date: Dec 2007
Location: 21.9 deg. N
Posts: 2,185
Credits: 5,609.3
Boat: Contender 25, Hobie Mirage
Home Port: Providenciales TCI BWI
Best Catch: This girl who shoots the monkeys off my back.
Occupation: Perfecting the art of the 7 day weekend.
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Oh strap an E-tec to it and the zinc will fall off on it's own...
__________________
http://2gringos.blogspot.com/ There are very few personal problems that cannot be resolved with the proper application of high explosives. |
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#8 | |
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I think Admin is going to let me have this space
Join Date: Jun 2007
Posts: 1,267
Credits: 3,443.1
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Quote:
I have been welding galvanized steel for nearly 40 years, I have held a 6g welding certification and I have never had a weld break because the galvanized was not ground off.. Capt Rick Last edited by rarhomes; 07-02-2009 at 08:53 PM. |
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#9 |
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Pit Monkey First Class
Join Date: Aug 2009
Location: sydney australia
Posts: 22
Credits: 116.8
Boat: markham dominator
Home Port: sydney harbour
Best Catch: 25 kg blue eye cod
Occupation: sheetmetal worker
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mate ,ive been a sheetmetalworker/boilermaker for 20 years now and have rebuilt many trailers.cut the rusty beam off with a grinder.weld new one in using a mig welder with gasless wire as that will burn threw the gal.then spray some cold galvanising on the welds.or take the trailer down to your local sheetmetal fabricator and he would not charge to much money to fix it for you.
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