# wtb aluminum piping kit

**URL:** <https://forums.speedlife.net/t/wtb-aluminum-piping-kit/263493>\
**Category:** Shift518 Automotive\
**Created:** [April 23, 2012, 11:31am UTC](https://forums.speedlife.net/t/wtb-aluminum-piping-kit/263493 "2012-04-23T11:31:47Z")\
**Posts on this page:** 1\
**Showing post:** 10

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**Author:** ![KrazyKid](https://yyz2.discourse-cdn.com/flex034/user_avatar/forums.speedlife.net/krazykid/32/6371_2.png) [@KrazyKid](https://forums.speedlife.net/u/KrazyKid)\
**Post date:** [April 27, 2012, 5:50am UTC](https://forums.speedlife.net/t/wtb-aluminum-piping-kit/263493/10 "2012-04-27T05:50:15Z")

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> [@95 audi 90 quattro pics](https://forums.speedlife.net/t/95-audi-90-quattro-pics/49264/8):
>
> It’s either bare 6061 with polishing rouge embedded into it, or some of the clean anodized shit. The latter of the two is the worse of the two.
> 
> Always buy raw material if you’re going to weld, clean and prep. You’ll never get a clean, proper weld on either of the two prepped materials without some serious cleaning and even they it’s a basket case. Rouge is embedded into the material, it burns and creates gas pockets in the puddle. Anodizing is just plain jane surface oxidization and you cannot weld through it.
> 
> 90% of the time the raw material is cheaper than polished crap anyway, so if a customer comes in with it tell them to return it and just buy proper material. It’s what I do.

I bet ya this stuff is ano’d then becasue the inside was just as “polished” as the outside.

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