Forum: Welding Sheet Metal
01-15-2014, 04:39 PM
|
Replies: 6
Views: 3,955
Welding aluminium softens it regardless of...
Welding aluminium softens it regardless of flavour or process. Granted with TIG the heat is more concentrated so you typically soften a smaller area than oxy fuel but the weld and HAZ will always be...
|
Forum: General Discussion
01-07-2014, 02:01 PM
|
Replies: 3
Views: 2,492
I haven't actually got around to cobbling...
I haven't actually got around to cobbling everything together yet as there's typically somebody about i can collar... they tend to complain more than a leccy motor but get the job done so it's...
|
Forum: Basic questions and answers
12-30-2013, 03:13 PM
|
Replies: 8
Views: 10,891
Yep, permanent marker is another method that...
Yep, permanent marker is another method that works. Colour in the area to anneal and the ink burns off at approx the right temp justs like acetylene soot. Soap/candles work like a match/lolly stick...
|
Forum: Welding Sheet Metal
12-30-2013, 02:32 PM
|
Replies: 27
Views: 16,250
|
Forum: Welding Sheet Metal
01-16-2013, 05:49 PM
|
Replies: 9
Views: 5,662
None of the 3xx series alloys are hardenable by...
None of the 3xx series alloys are hardenable by thermal treatment, only by strain/work hardening which is something they do quickly. Strain hardening transforms some of the austenite to martensite...
|
Forum: Welding Sheet Metal
01-16-2013, 05:14 PM
|
Replies: 9
Views: 5,662
|
Forum: Welding Sheet Metal
01-15-2013, 10:26 PM
|
Replies: 9
Views: 5,662
FWIW filler wire/rods are 'overalloyed' very...
FWIW filler wire/rods are 'overalloyed' very slightly. Obviously 304 and 308 aren't a perfect comparison but even if you compare typical numbers for 316L and er316L (i.e. filler wire) the Cr, Ni and...
|
Forum: Welding Sheet Metal
10-28-2012, 06:11 PM
|
Replies: 20
Views: 20,612
FWIW Everlast (and Longevity) are infamous on...
FWIW Everlast (and Longevity) are infamous on weldingweb forums. The following is effectively hearsay as the evidence got deleted but... they sponsered the site a few years back and each got given...
|
Forum: Welding Sheet Metal
10-19-2012, 03:04 PM
|
Replies: 11
Views: 6,652
Pretty much all been said but FWIW the 6xxx...
Pretty much all been said but FWIW the 6xxx series are fairly formable when annealed* (as it will be locally after welding). This is an oil filler/crankcase breather i make for aircooled VWs......
|
Forum: Basic questions and answers
10-16-2012, 07:51 PM
|
Replies: 8
Views: 6,418
|
Forum: Basic questions and answers
10-02-2012, 09:05 PM
|
Replies: 14
Views: 7,835
|
Forum: General Discussion
10-02-2012, 08:34 PM
|
Replies: 39
Views: 22,011
|
Forum: Basic questions and answers
10-02-2012, 07:10 PM
|
Replies: 8
Views: 6,418
3003/3103 (aluminium + ~1.2% manganese) or even...
3003/3103 (aluminium + ~1.2% manganese) or even 1050/1100 (commercially pure aluminium) are more common choices for parts with lots of shape as they're ductile and work harden pretty slowly compared...
|
Forum: Welding Sheet Metal
09-09-2012, 12:29 PM
|
Replies: 11
Views: 7,988
It's not really welding either as you're not...
It's not really welding either as you're not supposed to melt the parent material if using it to join steel [/pedantic]. Bronze welding/fillet brazing are two terms used to differentiate it from...
|
Forum: Welding Sheet Metal
09-09-2012, 12:20 PM
|
Replies: 6
Views: 4,020
|
Forum: Miscellanous products related to metalshaping
08-28-2012, 05:52 PM
|
Replies: 37
Views: 40,062
The Sellstrom cobalt blue flyer... the lenses...
The Sellstrom cobalt blue flyer... the lenses pictured look a green-blue colour to me. I thought the traditional cobalt blue lenses were actually blue? Heading more into general rambling territory......
|
Forum: Basic questions and answers
08-24-2012, 01:58 PM
|
Replies: 1
Views: 2,641
There are chemical/electrochemical tests albeit...
There are chemical/electrochemical tests albeit not as easy to find as say moly spot test kits for differentiating 304 from 316 stainless. I don't think the ally versions will get you closer than an...
|
Forum: Basic questions and answers
08-24-2012, 01:05 PM
|
Replies: 16
Views: 9,515
Cheers David. One i forgot to mention for the...
Cheers David. One i forgot to mention for the hobbiest is a potential deal with BOC for argon... a few years ago they came out with a reduced rental deal for argoshield (MIG/MAG mild steel),...
|
Forum: Basic questions and answers
08-22-2012, 08:44 PM
|
Replies: 16
Views: 9,515
I don't mean to shoot the messanger and (being...
I don't mean to shoot the messanger and (being some random bloke and a newbie on the forum) i'm obviously less trustworthy as a source than The Aluminium Assoc etc but a lot of nonsense or at least...
|
Forum: Basic questions and answers
08-20-2012, 08:26 PM
|
Replies: 16
Views: 9,515
|
Forum: Basic questions and answers
08-19-2012, 05:14 PM
|
Replies: 16
Views: 9,515
|
Forum: Basic questions and answers
07-19-2012, 04:40 AM
|
Replies: 8
Views: 8,895
Cheers guys.
It is. Sometimes you get a smug...
Cheers guys.
It is. Sometimes you get a smug warm feeling when you get a beautiful finished part first time, other times it can be an infuriating education to get there... pulling/stretching things...
|
Forum: Basic questions and answers
07-17-2012, 08:27 PM
|
Replies: 8
Views: 8,895
|
Forum: Welding Sheet Metal
03-05-2012, 09:45 AM
|
Replies: 21
Views: 13,544
|
Forum: Welding Sheet Metal
02-29-2012, 01:44 PM
|
Replies: 5
Views: 2,961
|