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Best Type Of Tubing?


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#31 craftsman

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Posted 25 October 2014 - 01:26 PM

I finally came across an old e-mail (April 2011) with the alternate tube materials -  Prices are most likely going to be greater today ...  Not sure if all the links are still good (sorry)

 

http://www.onlinemet...d=902&top_cat=0
4 ft. Stainless Steel 0.5 in ID  316/316 L   $177 + S&H
 304  $123

Brass 260  0.625 ID  $61
Sched. 40 230 brass  0.5  $47

Alloy Steel 4130  $44

Aluminum  2024-T3  $34
6061-T6   $23

Copper  101-H05   $67

Carbon Fiber .40 cal. 4 ft.  $15
http://dragonplate.c...pID=690&cID=102

Roll wrapped 0.564 OD 5 ft. $57
http://www.graphites...id=34&curPage=1

CF 0.625 OD 4 ft. $53
http://www.graphites...id=34&curPage=1

Alumina tubes 0.5 ID 4 ft 0.75 OD  2/pk  $469
http://www.graphites...id=48&curPage=1



Graphite  5/pk  0.5 ID   $511  2" OD  
http://www.graphites...id=22&curPage=1

Purified Graphite 0.5" 5/pk  $829  6 ft. L  0.75 OD
http://www.graphites...id=22&curPage=1

Quartz crystal (glass) tubes:
Heraeus HLQ-12141 12 mm ID 14MM OD  4 ft - $12
HA-12141   $36
HS-12141   $157

Pyrex borisilcate glass standard wall Corning  
15 mm OD, 1.2mm wal, 4 ft.4pcs. $15
http://www.waleappar...&showprevnext=1
.40 cal (approx) heavy wall 15.9mm OD 2.4mm wall 4 ft 5/pk $24
http://www.waleappar...&showprevnext=1
.50 cal (approx) heavy wall 19mm OD 3.2mm wall 4 ft 3/pk $24
http://www.waleappar...&showprevnext=1


http://www.fdglass.c...s/47#sizeselect


  • NaturalFork and Macfz like this

#32 NaturalFork

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Posted 01 November 2014 - 03:47 PM

Thanks for those links!



#33 giwtro

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Posted 24 February 2015 - 12:48 PM

Have any of you tried polishing a brass tube to reduce friction between the dart and the inside of the blowpipe?  Could the same concept be applied to aluminum?



#34 neondog

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Posted 15 March 2015 - 10:01 PM

You can get a pretty slick bore in aluminum by rubbing wax on a sheet of newsprint then wadding it up and pushing it through the tube waxy side out. Found a "screen save" of my last order from onlinemetals.com and am attaching a pic of the tubes.

 

The .555" i.d. tube fits nicely inside my five foot Cold Steel Magnum for added weight and rigidity.

 

OLM-Order.pngBirthmarks-b.jpg



#35 neondog

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Posted 15 March 2015 - 10:18 PM

One more quick picture. The .75" outside by .083" wall looks like it would be pretty rigid but it still sags a small but detectable amount when held in shooting position. That is a fifty caliber dart inside the .555" tube.

 

Naked_end_views.jpg






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