yube weld
yube weld
(OP)
I am new to this group so please be understanding. I need to know the best way to weld a piece of 4” A-36 steel tube (1” thick) back together to create the strongest joint without making the part any larger in diameter. This part sees “severe duty” in all climates. If more information is needed please let me know.
Thanks
Thanks





RE: yube weld
BigInch
-born in the trenches.
http://virtualpipeline.spaces.msn.com
RE: yube weld
RE: yube weld
BigInch
-born in the trenches.
http://virtualpipeline.spaces.msn.com
RE: yube weld
My biggest worry is the type of failure, I cannot have a catastrophic failure where parts start flying everywhere and someone gets hurt or worse. I was hopeing there was an ASME code for this.
Thanks
RE: yube weld
RE: yube weld
BigInch
-born in the trenches.
http://virtualpipeline.spaces.msn.com
RE: yube weld
RE: yube weld
If no pressure, why are you worried about thermal expansion of water and steel? If water's inside this thing, you're making pressure there, especially if its gets heated to 600F.
If not pressure containing, better to try a bar shape.
BigInch
-born in the trenches.
http://virtualpipeline.spaces.msn.com
RE: yube weld
RE: yube weld
BigInch
-born in the trenches.
http://virtualpipeline.spaces.msn.com
RE: yube weld
BigInch
-born in the trenches.
http://virtualpipeline.spaces.msn.com
RE: yube weld
I am begining to think that I just need to tell the plant to find another way to machine the end of this tube without cutting it off. What do you think? By the way thanks for your help.
RE: yube weld
BigInch
-born in the trenches.
http://virtualpipeline.spaces.msn.com
RE: yube weld
RE: yube weld
BigInch
-born in the trenches.
http://virtualpipeline.spaces.msn.com
RE: yube weld
I would highly recommend a 250 deg F preheat and use low hydrogen electrodes; E7018 H4.
RE: yube weld
Here's a shot in the dark. What code mill are you running in that bad boy? Mine is an S code.
Good luck,
Latexman
RE: yube weld
RE: yube weld
There will be liability issues if it breaks under a load.
I would especially suggest this if, as you say, the welder quality is suspect.
There are manufacturers that can provide a replacement. If my assumptions are correct and you need a source, let me know. I don't know contacts off hand (maybe Leland) but I know the guy to call.
Greg Lamberson, BS, MBA
Consultant - Upstream Energy
Website: www.oil-gas-consulting.com
RE: yube weld
BINGO, you win, except the part is in production, not broke in the field. I too am a consultant; EMI has employed me to make sure that things go well. The manufacturer wants to cut the end of the gin pole off to machine it, and then put it back on somehow. I have told them to find a better way that did not include the above process. I will keep you in mind during my employment with EMI. Thanks for your help everyone.
Happy Holidays