Welding method for a head pipe...

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Aug 6, 2011 | 03:18 PM

#11

ajohnston78

Cruiser

Joined: Mar 2010

Posts: 152

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if you are tig welding with er 70s there is no reason to purge the pipe with argon only would need purge with stainless or with cromoly

Jan 15, 2015 | 12:16 PM

#12

MilesGlide

Stage I

Joined: Dec 2014

Posts: 1

Likes: 0

From: Memphis

Quote:

Originally Posted by ajohnston78

if you are tig welding with er 70s there is no reason to purge the pipe with argon only would need purge with stainless or with cromoly

Only if you mig weld with an 85/15 mix of argon/co2 with your ER70s filler material you can achieve 81,000 lbs of tensil strength per cubic inch, thus increasing the weld strength exponentially reducing HAZ

Jan 15, 2015 | 03:07 PM

#13

Expat1

Road Master

Joined: Jun 2010

Posts: 1,221

Likes: 4

From: Annemasse (border of Geneva-Switzerland) facing Mt-Blanc.

How about Braze-Welding with Castolin-Eutectic® #16 and fresh Borax mixture?
This is not quite as pretty as a TIG weld but really efficient.

Jan 15, 2015 | 04:32 PM

#14

billnourse

Seasoned HDF Member

Joined: Dec 2004

Posts: 7,934

Likes: 43

From: Bloomfield, NM

1st two we gutted the cats on we used TIG. Worked just fine. The last 3 have been with stick. Worked just as good. But my welder is a real pro that can do about anything. Gas, TIG, MIG, Stainless. He has worked in power plants as well as welding pipe for the oil fields.

Bill

Jan 15, 2015 | 04:51 PM

#15

Uncle Larry

Seasoned HDF Member

Joined: Jan 2011

Posts: 157,321

Likes: 56,882

From: Michigan 15 Minutes East Of Hell

Quote:

Originally Posted by Expat1

How about Braze-Welding with Castolin-Eutectic® #16 and fresh Borax mixture?
This is not quite as pretty as a TIG weld but really efficient.

How about Braze-Welding with Castolin-Eutectic® #16 and fresh Borax mixture? ... Most of the guys here wouldn't know what you're talking about ... I had a old timer teach me ( about 45 years ago ) and he could lay a bead that looked just like a stack of dimes ... Another lost art :>(

Jan 15, 2015 | 05:00 PM

#16

bagga

Elite HDF Member

Joined: Mar 2006

Posts: 3,673

Likes: 606

From:

i welded mine with a stick once and wire another time. if it cracks again i'll weld it again.

Jan 15, 2015 | 05:09 PM

#17

fabrik8r

Outstanding HDF Member

Joined: Jan 2010

Posts: 2,916

Likes: 31

From: earth

Quote:

Originally Posted by dusty6700

I have all three machines. I mig welded mine(OFF THE BIKE) back together, simply because it faster. You can't see any of it behind the heatshield anyways. .....and i'm way better with mig, but no way can people lay down a bead with mig, and look as good as tig! Not if i'm the judge anyways! A nice tig weld is a thing of beauty!!!

Pulse MIG

Jan 15, 2015 | 05:52 PM

#18

yokdriver

Tourer

Joined: Sep 2013

Posts: 258

Likes: 0

From: SF

I took my head pipe off the bike cut a window into it and then cleaned it out and then put the window i cut out back into place and tig welded it all together. Ive posted pics before as well.