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Old 12-10-2012, 05:27 PM   #1
kozak
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Default What is the 2003 WRX body made of?

Attention flamers... don't bother.

Question: What type of metal is the 2003 WRX body made of? Specifically, is it (or what parts are) galvanized steel?

This is as part of prep for seam welding. I know that welding galvanized produces some nasty fumes, so want to double check before I start.
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Old 12-10-2012, 06:05 PM   #2
TyConway
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either way you have to prep the metal for welding, which is sanding/grinding it to bare metal... so your removing any galvanizing. If your having to ask this question. i suggest you don't weld on your wrx.
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Old 12-10-2012, 06:50 PM   #3
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Proper prep is required regardless... All this means is that a respirator will come in handy as well. In addition, it will affect how much I sand around the seams. I don't feel like getting cancer just yet.
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Old 12-10-2012, 07:17 PM   #4
scby rex
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Either way Id wear a respirator, galvanized or not while grinding.
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Old 12-10-2012, 08:15 PM   #5
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I appreciate the comments guys, but just hoping to find an answer to the original question.
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Old 12-11-2012, 03:34 AM   #6
TyConway
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Really think your over thinking this... as being an owner of a collision repair shop, either way your prepping the metal... it doesn't matter what was on it, b/c your going to take it off. And most likely it doesn't have galvanizing on it, it has some form of epoxy that seals the metal... First step in any paint work that would be used on the panel if bare metal is present. As today paint products are very advanced, as I'm only certified in ppg products, every year there is new stuff out. If in some rare case you got a hold of some metal or tin that has galvanizing on it, when you go to weld it, it will weld poorly, and have white ash come up. And will give you a headache if inhaled. If your worried about cancer, then about anything having to do with anything these days will cause cancer. I know in paint work , respirator and gloves b/c solvents are very very dangerous. I know after market parts are just sprayed with epoxy primer / sealer.
What are you replacing on your car anyways? Still suggest you let a professional do the work if your replacing any parts that require cutting and welding body panels.
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Old 12-16-2012, 04:15 PM   #7
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Advice given to me by one of three guys welding galvanized in a 20'x40' room; drink lots of milk during/after galvanized welding, you'll be fine! Ty is right, by the time the metal is prepped for welding it doesn't matter. What does matter is the weldability and brittleness of HSS in the HAZ. This is not DIY type work unless you're a pro working after hours. There is A LOT more to consider in seam welding than zinc oxide fumes!
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Old 12-16-2012, 10:08 PM   #8
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Quote:
Originally Posted by scby rex View Post
Either way Id wear a respirator, galvanized or not while grinding.
wear it while grinding and welding. metal fumes are toxic most of the time.

The body is generally mild steel. when you get into the structural parts youre looking at HSS and ocasioanlly UHSS. a mig and steel wire and 75%argon/25%CO2 MIG gas will work.
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