can someone critique these 2 welds

[superdave99gt]

first is a suspension part by a very reputable company and many say the weld is not good due to the stopping/starting.

second and third are from a not so reputable company and I was curious if yall have any thoughts on why the tubing cracked. Is it a material problem or welding issue.

I figure if anyone can help, its the pros here.

Thanks in advance

[KB Fabrications]

The starting and stopping doesn't mean it's a bad weld but the WAY they started/stopped looks sloppy to me. There doesn't appear to be good fusion in those places. Does that mean it's a structurally unsound weld or that it will fail? I have no idea.

From the limited info, the weld doesn't appear to be the issue with the cracked tube but without first hand inspection and knowing the history of the part it is impossible to tell with any certainty.

[lynx_welding]

how or what is the part froms function what caused the break but it alost looks like a seem crack on the tubeing side although there is some cracking in the weld hard to say with out knowing the cause

[Cornerstone]

I'll take a shot at this one. Is it possible that crack started as a result of an arc strike? I mean if the start of his weld is sloppy, maybe there's some other issues with his welding technique.

[vin-man welding]

the first picture I'll go with KB Fabrications answer,The starting and stopping doesn't mean it's a bad weld but the WAY they started/stopped looks sloppy to me. There doesn't appear to be good fusion in those places and I'll ad a double in the bad fusion. as for the other pics I'm going to go with a bad tub. as to say the twisting caused the tub seam to split.
the parts look like quad a arms. and I've broke my share of quad parts.(big jumper) and I'd brake that weld easy.

[welderdude402]

to me it just looks like they welded it cold in the first picture, and the second and third pictures look like it could be a factory discontinuity such as a lamination in the steel or something. just my thoughts on it.

[superdave99gt]

These are mustang a arms.

The one with the crack is brand new never installed and thats the way the company shipped it to the guy.

The bad start stop one was just one someone posted and people were saying its horrible but it has not failed and the company is known to be top notch.

Thanks for the thoughts guys.

[4sfed]

first is a suspension part by a very reputable company and many say the weld is not good due to the stopping/starting.

second and third are from a not so reputable company and I was curious if yall have any thoughts on why the tubing cracked. Is it a material problem or welding issue.

I figure if anyone can help, its the pros here.

Thanks in advance

There is no significant stress in an a-arm that would cause a crack to run that direction . . . the failure is a material failure. If you cut the tube across the crack, I'm confident you'll find the crack is running right down the weld seam of the tubing.

Jim

[redintn]

First pic, I will agree with others, needs some weld time.
Pic 2 and 3, I am gona call it as I see it.
Cheap tube.

[vin-man welding]

I'll put a big " no way would i take those sh!t arms. down the road " like I'd want to see my tire flop over at 100+ mph after hitting a little tiny bump.
what company is putting products like that out?
I'm sure that the people welding those a arms don't come to this site.

[superdave99gt]

The first one is a griggs a arm and they are very well known in the road racing world.

The second 2 are upr and some love them and some hate them.

[MR.57]

All three pics are testimony that if you want something made right - make it yourself.

[Ultrachop]

The cracked tube part I would send back and I would assume if they are reputable they would replace it? It wouldn't be the first "big name" with low quality weld/fab work. I have seen many companies that started out good, got to big to fast and "greed" took over the company. They tend to outsource the work they used to do "themselves" to meet demand for orders and neglect the quality control that got them there?? Just the other day I was looking at $60k "mobility van" that was purchased by my friend that unfortunately is now a quadraplegic due to a trajic Motocross accident, the power ramp welding was horrible!!! (I pointed out one joint that was not fused at all and others that were marginal)

Moral, don't asssume just cause you paid big bucks that you got high quality!

Tim

[Craig in Denver]

It wouldn't be the first "big name" with low quality weld/fab work. I have seen many companies that started out good, got to big to fast and "greed" took over the company. They tend to outsource the work they used to do "themselves" to meet demand for orders and neglect the quality control that got them there??

A disappointing fact of life.

Just the other day I was looking at $60k "mobility van" that was purchased by my friend that unfortunately is now a quadraplegic due to a trajic Motocross accident,

I was no hero when I raced; but I knew that when I reached 50, I'd want to be healthy enough to walk without a limp.

the power ramp welding was horrible!!! (I pointed out one joint that was not fused at all and others that were marginal). Moral, don't asssume just cause you paid big bucks that you got high quality!
Tim

Don't assume it unless it came from my garage. I don't hurry for anyone in a hurry. If someone says "hurry up, we need more", I QUIT.

[Ultrachop]

"If you don't take the time to do it right, you will surely take the time to do it over" (and if you work for me), and we have to do it over your will be working somewhere else!

Tim