I was just wondering what you guys use to grind welds down?I have a few things that I am planning on sending out to get polished and some of the welds on them are not the nicest so I want to grind them smooth and the welds being smoothed arent very important for strength like intercooler pipes and stuff like that.I was told to use an angle grinder with a flap disc but what brands and types of discs do you guys use?Thanks

 

dont do it. Just leave them alone.

 

if your sending them out to get polished and you must grind them down. just have the polishing company prep the pipes, that way you don't take off to much and end up with grooves in the piping where the welds were.

i would leave them alone if it was me.

oh and i use 80 grit zerconia( or w/e) fap discs from praxair when i need to bevel pipes so that should work fine. but be carefull if you do attempt this.

 

Well if the welds wer somewhat normal then I would leave them alone I am not looking to make the pipes look flat like they werent welded.I mean the welds look like they migged them and have a bunch of splatter so I figured I would just grind them down a tad to kinda smoothen them out and either get them polished or powdercaoted.

Hey Chris did you ever get them pics I sent them twice and I dont belive I have heard back from you

 

maybe try using a wire wheel on a angle or die grinder. so did you mig or tig the pipes?

 

die grinder with a carbide bit, then after you knock off the high ****, you can do a little sanding.

 

Well, grinding welds down and leaving the metal torn is prone to cracking, but if your polishing the metal the chances of it holding are pretty good. It obviously comes down to how well penetrated and filled the weld is though.

 

As many other people said. DO NOT grind them down if they are going to get polished. The company who is doing the polishing with appreciate it much more if you just leave them so they can prep the pieces. There was a thing on horsepower TV just last week about this. If you try to grind them down and grid too far it will just cost you a lot more money at the polisher when they have to fix it all. Maybe call the polisher and ask them. I'm sure they will tell you to leave it and they will prep.