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Best Steel Tubing for Brazing ?

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Best Steel Tubing for Brazing ?

Old 01-25-15, 01:54 PM
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Homebrew01
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Best Steel Tubing for Brazing ?

What are the current top level steel tubes that can be brazed with Oxy-Acetylene ??

I haven't really paid attention since back in the "531" & Columbus days.
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Old 01-25-15, 07:31 PM
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Others will give a more technical answer. But pretty much all steels these days can be brazed. There are far more filler options then existed BITD to work with the high strength steels (and stainless steels) of today.

It's less the steel or the filler but more the skill of the brazer and the design (and how it matches the rider's needs) that count any way. Andy.
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Old 01-26-15, 07:40 AM
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non tech anecdote..

BITD I & a couple friends went DIY to build up some frames they burned thru DB 531 in spots, like top of seat stay / seat tube;;

I got straight Columbus Aelle for mine, I've breen riding since then ... (1977)..
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Old 01-26-15, 09:02 PM
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A theoretcal light-ish road race/criterium frame for a 170-ish pound guy.
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Old 01-26-15, 10:27 PM
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What size frame?
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Old 01-26-15, 11:34 PM
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lugged?
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Old 01-27-15, 09:19 AM
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A OS tube set, 1.25" DT and 1.125" TT with .8/.5 walls will give a nice blend of weight, stiffness and durability. If this is a self made frame I'd avoid the "super steels" and go with the basic grades like Verus, Niobium or 525. All are Ok to braze either lugged or fillet. Andy.
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Old 01-27-15, 07:08 PM
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Originally Posted by Scooper View Post
What size frame?
55-56

Originally Posted by unterhausen View Post
lugged?
Possibly ... does that limit to old school tubing diameters ? Or are there bigger diameter lugs ?
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Old 01-27-15, 07:09 PM
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Originally Posted by Andrew R Stewart View Post
A OS tube set, 1.25" DT and 1.125" TT with .8/.5 walls will give a nice blend of weight, stiffness and durability. If this is a self made frame I'd avoid the "super steels" and go with the basic grades like Verus, Niobium or 525. All are Ok to braze either lugged or fillet. Andy.
Yes, it would be self-made ..... and 90 % dream, 10 % reality.
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Old 01-27-15, 07:17 PM
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As I've gone through my hobby building years I see more reasons to go fillet. Not being proficient in either lugs or fillet they both take about the same time to prep and finish. But fillet allows the weird angles that I find needing more often and it's a look that's different these days.

The challenge for me is more in wanting the whole look to be in theme. So a filleted bike really should have no socketed junctions, not my forte WRT fork construction.

Hope the OP is safe, warm and able to dig out from the snow fall. Andy.
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Old 01-27-15, 07:25 PM
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Originally Posted by Andrew R Stewart View Post
As I've gone through my hobby building years I see more reasons to go fillet. Not being proficient in either lugs or fillet they both take about the same time to prep and finish. But fillet allows the weird angles that I find needing more often and it's a look that's different these days.

The challenge for me is more in wanting the whole look to be in theme. So a filleted bike really should have no socketed junctions, not my forte WRT fork construction.

Hope the OP is safe, warm and able to dig out from the snow fall. Andy.
Thanks.

Worst snowstorm in 11 months !! (I guess Boston and other eastern areas got it worse)

FYI, I used to deliver the morning newspaper in Rochester when I was a kid, so I am used to snow.
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Old 01-27-15, 08:09 PM
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For "top of the line".
Consider KVA Stainless
There may be other brands too, Reynolds?
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Old 01-27-15, 09:08 PM
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If you decide to go lugged, Nova Cycle Supply, Ceeway, and Henry James should have the lugs you need. Nobody has mentioned double oversize tubes yet. Nova has the lugs you would need got them Some say that double oversize is too stiff for all but large riders. I weigh 155 and love the ride I get from DOS. Just something to think about.
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Old 01-27-15, 10:39 PM
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I wouldn't go stainless for a second frame, unless it's never going to be built. For a road bike, lugged is just fine, and you can to double oversize with 1 1/8 steerer. My favorite tubing is Spirit for Lugs, but there are plenty of alternatives
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Old 01-27-15, 10:41 PM
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Originally Posted by unterhausen View Post
I wouldn't go stainless for a second frame, unless it's never going to be built. For a road bike, lugged is just fine, and you can to double oversize with 1 1/8 steerer. My favorite tubing is Spirit for Lugs, but there are plenty of alternatives
Quite likely !
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Old 01-27-15, 11:19 PM
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I always figured there is a lifetime supply of 531 out there in boxes, owned by people that were "going to build a frame someday." How to tap into that supply before the de-hoarding consultants get to it?
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Old 01-28-15, 04:43 PM
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I've got some Tange tubing in my basement. Don't remember which version, but it would have been their higher level in the mid 1980s
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Old 01-29-15, 08:19 AM
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well, if it's prestige there are certainly people that would buy it
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