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View Full Version : Copper Tube Fittings (and other wrought fittings)



millhand
12-13-2013, 03:28 PM
I noted with interest the thread on extrusion of copper pipe. The manufacture of the associated fittings have long interested me, particularly the short radius 90 deg elbows and tee's. Similar weld fittings are used for steel pipe - very short radius, no hubs: clearly formed or bent. So how are these type fittings made.

Carl

vpt
12-13-2013, 03:59 PM
I would be curious about the T fitting too. :D

The steel elbows I believe are just cast and then threaded afterwards. I could be wrong though, I've seen it happen before.

portlandRon
12-13-2013, 04:08 PM
How elbows are made:
https://www.youtube.com/watch?v=CpyuCTIuxpc

How "T" is made:
http://videos.howstuffworks.com/science-channel/36443-how-its-made-elbow-copper-pipe-fittings-video.htm

Pherdie
12-13-2013, 04:11 PM
This one includes "T"s....: http://www.youtube.com/watch?v=4NVWxUQPohc

vpt
12-13-2013, 07:43 PM
All very impressive!

Jaakko Fagerlund
12-14-2013, 04:38 AM
Forming with water pressure, now that's an ingenious way, wouldn't have thought! That extrusion press cylinder was also nicely impressive, would make a handy tool at home :D

wierdscience
12-14-2013, 09:05 AM
I had to watch this video ten times before I learned how to solder Copper pipe:D-

http://www.youtube.com/watch?v=zV8boURmByU

Willy
12-14-2013, 09:15 AM
I had to watch this video ten times before I learned how to solder Copper pipe:D-

http://www.youtube.com/watch?v=zV8boURmByU

LOL!:o
Thanks, never too old to re-learn what I thought I already knew. But you're right, maybe I'm just a slow learner as well but I'm not confident enough to start soldering just yet.
Yup....better review that vid one more time.

Stern
12-14-2013, 09:30 AM
Damn, have soldered probably 200 miles of copper pipe in my time, but I guess I have always been doing it wrong. Video is very helpful for getting the finer points, especially if you watch it 45 times. Wonder if they have a clip on "plumbers crack" :)

vpt
12-14-2013, 10:10 AM
I use my TIG to "solder" copper pipe.

wierdscience
12-15-2013, 12:00 AM
I use my TIG to "solder" copper pipe.

That's cheating,on the other hand....fittings,we don't need no stinking fittings!:D

boslab
12-15-2013, 01:21 AM
Oddly enough the process called impact extrusion was around for quite a while, love watching the metal splash up the tool.
Ali spraycans are made like that, we rried making beercans that way but failed, stuck with DRD and DWI for them (drawn and redrawn, Drawn and wall ironed)
http://youtu.be/eo5DpHA2WvE
Mark

plunger
12-16-2013, 02:55 AM
Stern just for you:)http://i941.photobucket.com/albums/ad254/eugeneeman/buttockcleavage_zpsd959c052.jpg (http://s941.photobucket.com/user/eugeneeman/media/buttockcleavage_zpsd959c052.jpg.html)

vpt
12-16-2013, 08:43 AM
Hairy boobs? I don't have a baby butt like the guys posted. :O

Mcostello
12-16-2013, 09:56 PM
Translate anyone?

Baz
12-17-2013, 03:21 PM
Being pedantic I think the tube blanks were made by extreme deep drawing not impact extrusion as used for aluminium eg toothpaste tubes. Anyone remember what such a preform is called? I was thinking pemmison but it doesn't google.

krutch
12-18-2013, 02:08 PM
I had to watch this video ten times before I learned how to solder Copper pipe:D-

http://www.youtube.com/watch?v=zV8boURmByU

She has too many clothes on! And I didn't see any plumbers crack, either so it was not done right! I need her to come show me what I'm doing wrong. Please!!