small tig / mig gas bottles

**crash** · 8th April 2014, 06:54 PM

Originally Posted by rovercare

Enquiry sent!!

Do they ship to Victoria for the price listed in previous post?

**rovercare** · 8th April 2014, 07:14 PM

Hi Matthew

We can't help you with Acetylene but can with oxygen and Argon 5/2. Some
customers use Oxygen with an LPG fuel source that may help.

For Argon 5/2
The D size (1.7m3) is initially $335 for the cylinder including gas, the
refill is $98.

An E size (4.0m3) is $445 initially and $145 for the refills.

For Oxygen an E size is $425 initially and $125 for the cylinder exchange.

All prices includes gst.

So you would then own the cylinder and never have to pay rent again. You
would only pay for the gas you need it.

We can deliver that to you for $50.

Hope all is good in PNG. Enjoy the trip.

Thanks
Martin

**uninformed** · 10th April 2014, 10:16 AM

Matt, do you know if the bottle sizes and volumes are the same or similar to BOC?

**rovercare** · 10th April 2014, 10:26 AM

Originally Posted by uninformed

Matt, do you know if the bottle sizes and volumes are the same or similar to BOC?

That's all I know, I'm still in PNG for 3 weeks, so will order some when I return, I will just use LPG for oxy type work, I've rarely needed to silver solder anything $800 per annum to BOC was just insane

**Tote** · 28th October 2014, 09:05 PM

After returning my Argon bottle in January to BOC I needed to do some TIG tonight. Called in to Gasweld on the way home. Size D bottle filled with Argon $339.00. Refills from here on in cost $99
Size E was $479 and $149 for the refill but I don't really need the bigger bottle that I had with BOC.
No more rental bills - Woo Hoo

Regards,
Tote

**Warb** · 1st November 2014, 09:07 PM

This all comes down to how much you use. BOC "rental" gas is far cheaper than "owned refillable bottle" gas, which is in turn cheaper than Bunnings disposable bottles. It's easy to work out a break even point based on usage.

In my case I have a rented bottle of Argoshield for MIG work, and a bought/refillable bottle of argon for TIG, though the rented bottle will probably be given up when empty and replaced with a bought one, as my usage has declined.

There are other things to consider:

Buy a small refillable, and then rent+return a larger one when you need lots of gas for a project (the gas is much cheaper and regulators are the same).

Renting lets you change gas, whilst as far as I know the bought bottles are gas specific. There are different mixes of Argoshield for different uses, and DC TIG of (thick) aluminium works better with argon/helium. Not all gases may be available in bought/refillables, so it may be better to rent/return a specialised gas needed for a job.

**crash** · 16th February 2015, 03:18 PM

Saw a sign out of Total Tools advertising bottles for sale.
D- $359 to purchase and $109 to refill
E- $499 to Purchase and $169 to refill.

Seriously considering since my Argon has just run out. To purchase out right is equivalent to 2 years rental for me.

**Outback 1** · 16th February 2015, 06:37 PM

I recently purchased my cylinder through power 10 gases who have an agent in Kyabram I now own my cylinder and will only pay for the refill/exchange with no rental cost whatsoever
http://www.power10gases.com.au/

**rangieman** · 16th February 2015, 07:07 PM

Originally Posted by Outback 1

I recently purchased my cylinder through power 10 gases who have an agent in Kyabram I now own my cylinder and will only pay for the refill/exchange with no rental cost whatsoever
Suppliers of Industrial Oxygen and Oxygen Cylinders

x2 but Gasweld
https://www.gasweld.com.au/speed_gas

**Toxic_Avenger** · 16th February 2015, 08:01 PM

Originally Posted by Judo

Like these?

Ross Mig Welding Disposable Gas Bottle Argon I/N 6320518 | Bunnings Warehouse

Says "approx 20 minutes". But these look like roughly 1L @ 60 bar. My understanding is that's only 60L at atmosphere pressure. What gas rate do you use on a MIG?

10L/min = 6 minutes.
5L/min = 12 minutes.

Someone check my math...... but if that's right, it sounds damn expensive for $40!

My experience with a C size cylinder is that it's not even worth worrying about unless you are only wanting to do a small weld, or forever want to be working on a job and getting new cylinders swapped.
TIG between 7-12LPM flow does not work out to be long on the end of the torch. Especially doing TIG with any kind of pre/post flow, as most machines are hard wired to give. For those not in the know, your TIG tungstens need post flow to cool down after the job, and it this same post flow that prevents crater cracking in the weld pool as it solidifies.

As for the gas supply, how many of these 'buy your own cylinder' companies own their own infrastructure? I'm talking about air separation units and other multi-billion dollar pieces of plant and equipment which secure long term supply to their customers. My understanding is they ship second/third hand gas to filling points in ISO tanks which often leads to contamination and off-spec product. Not the thing you want if you are working on anything that even resembles a critical project.

In the end of the day, it's horses for courses. The weekend warrior cannot justify the burden of rental for the 3 times a year they want to weld. The big users cannot afford the cashflow to fork out $50K to own their cylinders outright.... and then take the gamble on the down-time to have the cylinder shipped off to be refilled (often with uncertain supply).
Don't believe, me? Try to nail down a supply contract with any of the small operators for an argon/helium blend. Chances are you'll be pushing **** up hill even getting anyone who knows why you would need such a blend.

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