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Can I use this for brake line? #1303071
Thu Mar 14 2019 11:49 PM
Thu Mar 14 2019 11:49 PM
M
mick53  Offline OP
Shop Shark
Joined: Apr 2016
Posts: 394
northern Indiana
On my last project I ask my customer if I could have some scrap tubing for brake line on my 53 1/2 ton. They gave me two 200 foot rolls. Wil this work for my truck. I'm running Wilwood 12.88" disk 4 piston rear and 6 piston front. Here are the numbers on the tubing.
Made in Canada, 0.250" XO .035" A ASTM A249/A209 ASME 5A-249 & BRS-75 TP 304/304L HT #SE00444 welded NDE 2018/02/27 22:10

Attached Files
brake line .jpg (230 downloads)

Old enough to know better, too young to resist.
Re: Can I use this for brake line? [Re: mick53] #1303075
Fri Mar 15 2019 12:06 AM
Fri Mar 15 2019 12:06 AM
G
Grigg  Offline
.
Joined: May 2005
Posts: 8,895
Lexington, VA
That should work.
Copper nickel is so much easier to work with, even if I had 200’ of stainless I wouldn’t want to use it on my truck. (I have used it before)


1951 GMC 250 in the Project Journals
1948 Chevrolet 6400 - Detroit Diesel 4-53T - Roadranger 10 speed overdrive - 4 wheel disc brakes
1952 Chevrolet 3800 pickup
---All pictures---
"First, get a clear notion of what you desire to accomplish, and then in all probability you will succeed in doing it..." -Henry Maudslay-
Re: Can I use this for brake line? [Re: mick53] #1303122
Fri Mar 15 2019 05:25 AM
Fri Mar 15 2019 05:25 AM
H
Hotrod Lincoln  Offline
Boltergeist
Joined: Feb 2004
Posts: 18,396
Dellrose, TN
There's one word in that description that gives me a little pause- - - - -"welded". Are you willing to bet your life on that tubing, and/or the lives of the people who share the road with you? Most brake line tubing is "seamless". It might work OK, but be sure your liability insurance has a very high limit.
Jerry


The murder victim was drowned in a bathtub full of Rice Krispies and milk.
The coroner blamed the crime on a cereal killer!

Cringe and wail in fear, Eloi- - - - -we Morlocks are on the hunt!
Re: Can I use this for brake line? [Re: mick53] #1303126
Fri Mar 15 2019 05:49 AM
Fri Mar 15 2019 05:49 AM
K
klhansen  Offline
Shop Shark
Joined: May 2015
Posts: 1,150
Eagle River, Alaska
Good point Jerry, although that ASTM number corresponds to a tensile yeild strength of at least 25,000 psi. It's normally specified for instrument tubing, used for pneumatic instrumentation or relatively low pressure (~100 psi) liquid service.
For comparison, copper nickel brake tubing is rated for 16-22,000 psi.

Last edited by klhansen; Fri Mar 15 2019 05:54 AM.

Kevin
First car '29 Ford Special Coupe
#2 - '29 Ford pickup restored from the ground up.
Newest Project - 51 Chevy 3100 work truck.
Re: Can I use this for brake line? [Re: mick53] #1303219
Sat Mar 16 2019 12:17 AM
Sat Mar 16 2019 12:17 AM
5
52Carl  Offline
Master Gabster
Joined: Mar 2010
Posts: 7,887
Virginia
Making double flared ends for stainless steel would be enough for me to balk on that tubing. I do use stainless steel brake lines on my trucks, but they were bought from a supplier and are already the right length, with all of the correct bends, with flared ends.
Carl

Re: Can I use this for brake line? [Re: mick53] #1303220
Sat Mar 16 2019 12:22 AM
Sat Mar 16 2019 12:22 AM
tclederman  Online
Boltergeist
Joined: Sep 2001
Posts: 27,762
Jarvisburg, NC
I have also used “store bought” “fitted” stainless steel lines on three 3100 trucks - no leaks, after carefully seating the tubes/fittings.

They are worth every dollar of the costs - my grand children will inherit my trucks (in 20+ years, I hope).


Tim
1954Advance-Design.com
1954 3106 Carryall Suburban - part of the family for 50 years
1954 3104 5-window pickup w/Hydra-Matic - part of the family for 14 years
Z-series (54/55) GMC 350 (2-ton) COE - now part of Dave's family
- If you have to stomp on your foot-pedal starter, either you, or your starter, or your engine, has a problem.
- The 216 and early 235 engine are not "splash oilers" - this is a splash oiler.
Re: Can I use this for brake line? [Re: mick53] #1303249
Sat Mar 16 2019 03:56 AM
Sat Mar 16 2019 03:56 AM
H
Hotrod Lincoln  Offline
Boltergeist
Joined: Feb 2004
Posts: 18,396
Dellrose, TN
After a few bends and flares get made in that stuff, what's the chance that- - - -just maybe- - - - -a slightly weak spot in a weld might be stressed by a bending tool or a flaring operation? "Free" could get terribly expensive in that case.
Jerry


The murder victim was drowned in a bathtub full of Rice Krispies and milk.
The coroner blamed the crime on a cereal killer!

Cringe and wail in fear, Eloi- - - - -we Morlocks are on the hunt!
Re: Can I use this for brake line? [Re: mick53] #1303643
Mon Mar 18 2019 11:11 PM
Mon Mar 18 2019 11:11 PM
T
tom moore  Offline
Shop Shark
Joined: May 2006
Posts: 545
New Hampshire
“ my grand children will inherit my trucks (in 20+ years, I hope).”


Tim, I mean Granpa - I cant wait. Thank you for putting me in your will. - Tom

Re: Can I use this for brake line? [Re: mick53] #1303942
Wed Mar 20 2019 08:39 PM
Wed Mar 20 2019 08:39 PM
SWEET  Offline
ODSS Lawman
Joined: Aug 2004
Posts: 1,343
Fredericksburg, VA
Dang Tom, you beat me to it.

Wait, Grandpa Tim has several trucks.......


SWEET
Sergeant At Arms
Old Dominion Stovebolt Society

BUNS?!?!?! Where we're going, we don't need no buns.....

1950 GMC 450 (25% owner)
1951 Chevy 1/2-Ton
The GreenMachine
In the Stovebolt Gallery
Re: Can I use this for brake line? [Re: mick53] #1303957
Wed Mar 20 2019 10:44 PM
Wed Mar 20 2019 10:44 PM
tclederman  Online
Boltergeist
Joined: Sep 2001
Posts: 27,762
Jarvisburg, NC
I am down to two 1954 3100 trucks: one for my Granddaughter and one for my Grandson.
No Joke: they will be part of their inheritance, with a maintenance/repair trust fund.

I cried when I gave away the beautiful, fully-restored, 54/55 GMC 350 COE to my young friend who did my restoration painting in NY.
Two rules for the COE - it stays in his family, and, I get to drive it when I visit them in NY.

Moderator: no offense will be taken if these last three posts are deleted, or moved to the Greasy Spoon..


Tim
1954Advance-Design.com
1954 3106 Carryall Suburban - part of the family for 50 years
1954 3104 5-window pickup w/Hydra-Matic - part of the family for 14 years
Z-series (54/55) GMC 350 (2-ton) COE - now part of Dave's family
- If you have to stomp on your foot-pedal starter, either you, or your starter, or your engine, has a problem.
- The 216 and early 235 engine are not "splash oilers" - this is a splash oiler.

Moderated by  SWEET 

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