Circular hollow section tube question

[n0v0s]

Hi,

As part of my turbo manifold, I'm using the above mild steel tube with 5mm thick wall. The tube is welded down the seam, the weld externals a few mm inside. It doesn't look particularly fused to the surface internally (the excess).

Obviously the weld holding tube together is solid. But, how strong is this excess protruding welding usually? Because it's pretty turbo, should I attempt to grind this excess off just incase is dislodges and enters turbo?

Luckily I'm using pie cuts so it's possible to access. I have access to a carbide grinding drill bit. Will that do?

Cheers

 

[frank horton]

understand ur concern but I've never seen any of that kinda welds fall off.......
prob if u grind it away small peices that u missed/loosen may do just that in the future.....!!!!

out of interest I prefer the intercooler between the turbo and the intake for just ur reason.....
Once had a turbo explode and all the shrapnell was cought by the intercooler....tough, but it save the engine....

 

[n0v0s]

understand ur concern but I've never seen any of that kinda welds fall off.......
prob if u grind it away small peices that u missed/loosen may do just that in the future.....!!!!

out of interest I prefer the intercooler between the turbo and the intake for just ur reason.....
Once had a turbo explode and all the shrapnell was cought by the intercooler....tough, but it save the engine....

Good point about potentially causing issue to be worse by grinding and leaving bits.

I will inspect the welds within the pie cuts for any loose slag (lol) and any suspect looking edge welds which I'll try grind down - it's not the typical weld I'm used to seeing. It's rough around edges, and doesn't flow nicely into the rest of the tube. This is what caused me to notice the concern.

Yes, intercooler between. But more importantly, it's a costly turbo and parts for it are rare and priced accordingly (juggernaut sized vnt turbo - so turbine wheel AND vnt assembly will get cooked).

I'll give it a good scrub with paper towel and brake cleaner prior to fitting up.