6011 Break test.


It took almost three times the amount of blows to break the 6011 weld as the 6013. But this one snapped too. I expected a little more yield to this 6011 than what I got. I was surprised it snapped so soon! But I almost fell over at how fast the 6013 weld broke! The heated 7018 really surprised me, I never dreamed I good beat the top plate down on top of the bottom plate, and the weld never break. The non-heated 7018 seemed to give up just a little earlier than the heated 7018, but the non-heated 7018 was still impressive!
 
You must have ran out of rod and the very end? I got a lower grade on my final test to get my ticket because I tried to make it to the end of root pass with one rod instead of stopping and feathering the root for a new rod. It had to go to the review panel because I bet it cracked. They don't show you the results on your final test. If your practice and previous progress tests were good, they do take that into consideration if something went a little wrong on your official test. That was the only time I had a bad test weld and I had high marks in theory. If I only would have had another 1/2" of rod. At least I passed.
 
So the 6011 and the 7014 are about the same?And all of the rods are better than the 6013 by a lot.Not much difference in heated or non heated 7018.I guess when it really counts that little extra from the heated 7018 makes the difference.
 

The 7014 and 6010 were the same amount of blows. 6013 was a disaster if you ask me! But good ol 7018 came through with flying colors! 6011 came in just under 6010, and 7014. We had discussed this a few weeks ago that 6011 had a little less yield than 6010.
 
Yup and that wasn't the best 6010 weld either compared to the 6011. I bet if you got the 6010 to weld right, it would be harder to break.

Now we just need some king of vibration test to see which welds take the most... I got it! If some kind of harness could be made to strap the coupons to your head, you could read some of the posts to do the test. I'm sure you must be shaking shaking your head almost enough to get whiplash reading some of them. I think you know which ones to read.:wink:
 
You know rip I wrote all that down, but forgot to turn the page and post the results. Can you tell I'm not very good at this? :lol:
1/8-inch 7014, 125-amps.
5/32 -inch 6010, 125-amps.
1/8-inch 7018 (cold), 120-amps.
1/8-inch 6011, 85-amps.
All rods were run on DCRP.
 
Now lets do a break test on a piece of 1/4 by 4 inch flat steel.The common weld is full of stress.The hi temps close to the weld and the distortion should tell you that welding steel is a crap shoot at best.It makes me wonder how I can weld up a small welding or machine table and have all 4 legs sit flat on the floor.
 

36 coupe, heat-shrinking pre welding, heat shrinking or brute force post welding is all I know how to do.
 
Ah but all your test mean nothing unless you magnaflux (sp) each and every weld. If you are certified you should know that. I can weld 10 things onm 10 different days and those 10 things will each be able to hold more or less on eash day due to many factors like humidity the steel its self and many other things so you test mean little unless you X-Ray each and every one
 
Have never seen Magna flux done on a weld test. I am certain Puddle's welds would pass Magna flux examination though. Magna flux is used to check for cracks but nothing beats destructive testing other than an X-ray. On some pipe tests(and others) you're given the option of having it X-rayed or cut into coupons and bent. It's a real toss up which one to choose. You could have an internal flaw that wouldn't show up in a bend test or you could have what appears to be a perfect looking weld that fails a bend test.
 
old I don't think much of Magnetic-particle testing, it's been about 30-years since I've been around it. I had a weld fail, inspector went away, I got out the sanding pad went to work, called for another inspections, passed!

I think you'll find more X-ray testing on welded product. V-groove coupon bending is / was very popular to certify weldors, and procedures.
I have a pretty geared up shop for a hack weekend warrior, but I don't have a Mag-particle, or X-ray machine, I do have a PayPal account if you want to forward the funds I'll buy them, so we can continue testing. :wink:
 
Believe me I understand that and I was taught to weld by a guy who welded oil pipe lines in the middle east and each and every weld was x-rayed and if any thing was found bad that weld was removed and done a 2nd time. I never did get as good as he was but then I also was not in a place where I could get things checked like his welds where either
 

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