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Pipe bending 101

269K views 2.2K replies 258 participants last post by  Ceadderman  
#1 ·
I have been asked a few times now how i bent my pipe for my SR 2 build,so i decided to do a little walk thru.

The tools you will need are these:



A Cup of Tea...mine was a milky number to get the juices flowing.
A set of benders...these are for half-hard pipe but can be used for annealed.
A Cutter for the chosen OD of your tube
A Ruler
Some tape.

I recommend Rothenberger benders,these are high quality and are worth the extra.
Otherwise,you may have to 'mod' the benders..like this:

The top guide was poorly aligned and needed a bit of work before use.
Poorly aligned guides can distort the tube and put creases down the length of the bend.

So..take a bit of tape to make a base mark.


Place the base mark on the 0 point of the bender.



Line up the guide with the 0 mark.



Make the bend using constant pressure,dont snatch at it,use nice firm and even pressure.



Once you have made your bend,measure the distance from the 0 mark and the outer wall of the bend.



This is the radius measurement,in this case 28mm,remember this as it will allow you to make accurate 90-90 bends to go 180 like this.



To cut the tube to length,use the cutter,rotating the the direction indicated on the tool.
Try to keep everything straight when cutting,the cutter can spiral if its not held 90 to the pipe.



This a basic guide,for any specific info,please comment below.

Pipe stockists in the US. Kindly provided by Fuganater

10mm:
http://www.mcmaster.com/#standard-metal-tubing/=icfb8z
http://www.onlinemetals.com/merchant.cfm?pid=18333&step=4&showunits=inches&id=1288&top_cat=87
http://www.onlinemetals.com/merchant.cfm?pid=1866&step=4&showunits=inches&id=1295&top_cat=87
http://electrontubestore.com/index.php?main_page=product_info&cPath=57_122_123&products_id=1587
http://www.ebay.com/sch/i.html?_odkw=10+mm+copper+tube&_osacat=0&_trksid=p2045573.m570.l1313&_nkw=10+mm+copper+pipe&_sacat=0

12mm:
http://www.mcmaster.com/#standard-metal-tubing/=icfaeq

EDIT:

KPForce's method of straightening coiled tube
 
#8 ·
Quote:
Originally Posted by DEEBS808 View Post

Thanks man.Will try in new build..what size pipe are those?
This pipe is 10mm OD.
You can also go for 12mm pipe and use BP/Phobya Sli Fittings,not recommended for 180 pipe runs as they dont have a lock ring.
 
#10 ·
Quote:
Originally Posted by CrazzyRussian View Post

Even if I'll probably never get that far into water cooling to use this, awesome guide bro!
Thanks man.
 
#12 ·
Quote:
Originally Posted by Fuganater View Post

12mm is a bit hard to find in the US. I mean I spent a few mintutes searching but everything comes up with 1/2" which is too big. 10mm is a bit easier to find.
If you can put some links up,i will incorporate them in to the OP
 
#15 ·
Quote:
Originally Posted by Fuganater View Post

12mm is a bit hard to find in the US. I mean I spent a few mintutes searching but everything comes up with 1/2" which is too big. 10mm is a bit easier to find.
http://www.mcmaster.com/#standard-metal-tubing/=icffk3

You can find all the specialty products on Mcmaster Carr's website. It might be a little more pricy but its great!
 
#16 ·
Did you use anything special to secure the tubing to the fitting?
 
#17 ·
Quote:
Originally Posted by freitz View Post

Did you use anything special to secure the tubing to the fitting?
Push fit fittings have a pull up lock ring,the 12mm guys use BP sli fittings which have no safety device at all
 
#19 ·
Great guide, beat me to it! I'm getting all my copper stuff in this week so I'll definitely be having an awesome weekend coming up
biggrin.gif
If anyone is looking for 12mm copper tubing, go to:

www.coppertubingsales.com

EXTREMELY CHEAP compared to McMasterCarr. The only downside is that you have to buy a 10 meter roll from them and they will not sell anything less. But is is an awesome deal and you can save the rest of the copper for your next build!

If you are looking to use BitsPower 1/4 SLI fittings then STAY AWAY from 1/2" tubing. It will be a nightmare. Trust me, I've tried. BUT, if you have a lot of time and love sanding untill your fingers fall off, it can be done.

Now all we need to add to this guide is how to polish, paint and how to go about chroming these pipes. I know chroming might have to be done by a professional, but maybe there are some cool looking alternatives. Good Job OP!
 
#21 ·
Quote:
Originally Posted by Boweezie View Post

Great guide, beat me to it! I'm getting all my copper stuff in this week so I'll definitely be having an awesome weekend coming up
biggrin.gif
If anyone is looking for 12mm copper tubing, go to:
www.coppertubingsales.com
EXTREMELY CHEAP compared to McMasterCarr. The only downside is that you have to buy a 10 meter roll from them and they will not sell anything less. But is is an awesome deal and you can save the rest of the copper for your next build!
If you are looking to use BitsPower 1/4 SLI fittings then STAY AWAY from 1/2" tubing. It will be a nightmare. Trust me, I've tried. BUT, if you have a lot of time and love sanding untill your fingers fall off, it can be done.
Now all we need to add to this guide is how to polish, paint and how to go about chroming these pipes. I know chroming might have to be done by a professional, but maybe there are some cool looking alternatives. Good Job OP!
Wait, which fittings are you going to use? Link please.
 
#23 ·
My dumb question of the day... OK to use polished stainless tubing or a copper only thing ?
 
#25 ·
Quote:
Originally Posted by Boweezie View Post

As long as it is not aluminum tubing, you should be OK. Copper tubing is the safest and that is the only tubing I have seen being used in liquid cooling builds.
Thanks. I thought I had seen builds using what looked like polished stainless, apparently guys are bending/cutting the copper tubing to fit, then sending it out to be chromed ? Interesting nonetheless.
 
#26 ·
Quote:
Originally Posted by ugotd8 View Post

Thanks. I thought I had seen builds using what looked like polished stainless, apparently guys are bending/cutting the copper tubing to fit, then sending it out to be chromed ? Interesting nonetheless.
Exactly. I have been trying to look for chrome/nickel plated copper tubing with no luck. I also thought that I might be able to do it myself. Turns out chrome plating can only be done by professionals.