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Thread: 0.8 or 0.9
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24th Oct 2021, 02:43 PM #1New Member
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0.8 or 0.9
Hey guys. Quick question . I’ve been using a mig wielder to wield formboss steel edging at work. The edging is 1.6mm in thickness. Yesterday the mig wire ran out for the first time since we bought it. The wire that can with it was 0.8. Just got back from the tools shop and they only had 0.9 . Question is would 0.9 be ok to use or should I try find 0.8
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24th Oct 2021, 02:49 PM #2Member: Blue and white apron brigade
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This post should be in the Welding forum.
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24th Oct 2021, 03:03 PM #3New Member
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24th Oct 2021, 04:39 PM #4Most Valued Member
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Welcome to a TOP FORUM. Could you PLEASE change your location to a Town or City, as this will help yourself and members, should you require any assistance later on, or in asking where can a particular product be found, no point in telling you Perth, if you're in Launceston.
To the best of my knowledge, .8 is normally a gasless wire. Are you using a gas with the MIG if so what gas is it?
Found some interesting information for you, have added a link below.
https://www.weldclass.com.au/blog/18...or-0-9mm-wire-
KrynTo grow old is mandatory, growing up is optional.
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24th Oct 2021, 06:48 PM #5
Solid ER70S-6 wire comes in 0.8mm too. The seppos call it 0.030". It's common to be specc'd on smaller single phase machines, and for work on thinner materials. I run it quite successfully on one of my machines (the synergic map is designed for this size).
In most basic terms, your machine output is probably the biggest factor in knowing if 0.9 is suitable.
If you are going from 0.8 > 0.9, you'll likely be up for the bigger, and correct size contact tips too.
Bigger wires have bigger current density (ability to transfer current thru it to the job), and wire speed will improve deposition obviously with a larger volume of wire per unit of length than it's smaller counterparts.
You'll probably be OK. 0.9 is a common size in AU, but not overseas- Europeans for example prefer 0.8mm before bumping up to 1.0mm, for some reason.
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24th Oct 2021, 06:51 PM #6
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24th Oct 2021, 08:15 PM #7
Hi Alan
Welcome to the MetalWork forums.
We have some clever,experienced , helpful and supportive people here. You will find many like minded folk here, perhaps with same interests as you.
If you explore our pages you will find bits and pieces of interesting things all over the place. If you follow the guide below you can take a look through the sub forums we offer and should not have much trouble determining where to place your upcoming posts.
Go to the FORUM box at top LH corner and click on it.
A drop down menu appears and you can select Forum Home at the top of the drop down menu list. Scan down the pages to look at what we have.
Please make an effort to read the Terms of Use -our Rules - pretty standard for many forums these days.By joining the forum its automatic that they apply to you as a member.Not having read the the TOUs won't be of help if a rule is infringed.
Sometimes the soft ware works so you can't post pics or links until 10 posts are made ( or such links and pics are cleared by a mod)
Its anti spam thing.
There are all sorts of forums that might be parallel with your interests, found as described above.
If any questions please contact me via PM and I'll try to help you.
Grahame
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24th Oct 2021, 09:31 PM #8
Alan,
Just so we are all pulling on the same oar ,so to speak, can you please make a few things clearer?
Are you using mig- ie solid wire with a shield gas . The term mig is bandied about these days and once meant Metal Inert Gas. Even that has changed, as the wire shielding gases are no longer truly inert. More correctly the process is now calledGas Metal Arc Welding- GMAW.
Now it is often erroneously referred to as mig when it is in fact a gasless wire.-Flux Core Arc Welding.- FCAW
So ,were you using a solid gas shielded wire or a gasless wire.?
It makes giving an answer a bit easier, when we are both talking about the same thing.
Don't forget that you will need .9mm contact tips to go with the new .9mm wire.
Thanks
Grahame
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25th Oct 2021, 02:48 PM #9Senior Member
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Welcome to the forum.
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25th Oct 2021, 06:42 PM #10
0.8 to 0.9 should not be a bother for a V groove roller for mild steel wire. Many of them specify a range. And even if slightly under 0.1mm, AKA a bees phallus, (or tolerances good enough for us welders), it could be taken up by the feed roll tensioner to a big degree.
I'd be more worried about the other things that may have fallen out of service- things like a liner that hasn't seen replacement in 20+ years, the rusty spool of wire that may be 'good enough', the busted earth clamp etc etc.
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25th Oct 2021, 07:59 PM #11
i've found 0.8 wire is more expensive than 0.9 , should be cheaper as its less material, lol
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25th Oct 2021, 08:30 PM #12Senior Member
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26th Oct 2021, 05:28 PM #13
^^^ You get it.
One of life's small miracles is how they can draw a wire down to 0.6mm, copper or bronze coat it, put 15KG of it on a spool, and still keep it in one length. I reckon if you'd do so much as even fart on one of those wire drawing or spooling machines, you'd be picking the bird's nest out of it for weeks...
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26th Oct 2021, 06:52 PM #14Senior Member
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