From: Fred Martin (mung@in-touch.net)
Date: Thu Jun 12 2003 - 07:53:51 PDT
Always drink a container of white milk before cutting or welding on
galvanized metal (sop/navy)...and do it outside in the wind...stay
upwind. A comment about painting galvanized metal...I have heard that
washing it down with vinegar first does the trick. Anyone else heard
this or got another method? Fred Martin
David Cole wrote:
> Eric,
>
> Harbor Freight sells a bender that works ok for water pipe, galvanized,
> black or heavy wall Electrical Conduit. I bought one a year or two ago
> and it will bend up to 2". It was less than $100, in fact I think it
> was $79 on sale. I haven't done any 2" pipe with it, but I have done
> 1". It comes with dies for 1/2" through 2". They also sell another one
> which I believe goes up to 2 1/2 or 3". I believe it is about $200.
> That is for what is called schedule 40 pipe, which is normal water and
> gas pipe you can find at Home Depot, etc. They also make heavier pipe,
> which is known as Schedule 80 and 160. The outside diameter stays the
> same but the wall of the pipe gets heavier with the larger number. If
> you are looking for cheap pipe, visit a junk yard and ask for the size
> you want and tell them you want clean pipe. (No chemical residue
> inside) 20 cents per pound is pretty common in the midwest. Keep in
> mind that you can't bend light wall tubing (like muffler pipe) in such a
> bender without doing some tricks, like filling the tube with sand, etc.
> The gear to bend light gauge tube gets expensive fast. But if you have
> an arc welder, (stick), then you will have a tough time welding muffler
> pipe with it anyhow unless you are really good as burn throughs are
> really easy on muffler pipe with a stick welder.
>
> Watch out for welding galvanized. When you weld it the first thing that
> happens is that the zinc burns off and the gases that result are pretty
> nasty on your lungs. (I unfortunately know this from experience) If
> you go with galvinized, grind off what you can first, then wear a
> cartridge respirator while welding. They make cartridges just for
> welding. Personally I think I would use black iron pipe, and then just
> put some good paint on it. Also, paint doesn't stick well to galvanized
> pipe.
>
> Dave
>
>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>
>
> On Wed, 11 Jun 2003 10:18:23 -0500, Eric (Home) <shadow@vci.net> wrote:
>
>>
>> I am looking at the possibility of bending my own pipe to make a custom
>> front bumper for a CJ2A and was wondering who might make a pipe bender I
>> could buy on my TIGHT (squeaks) budget? Model, price, and supplier if
>> possible, gracias!
>>
>> I have no idea what diameter of pipe I need to bend but I figure 1" or
>> so?
>> I don't want a HUGE hulking bumper, just something that'll protect my
>> Sasgen-Derrick (sw?) pto winch. I have a arc welder so I figured with a
>> bender I could fab something up.
>>
>> Also, when I go around looking for tubing what kinda business do I
>> goto and
>> what is the trade term for that tubing?
>>
>>
>> Eric
>>
>>
>>
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>
>
>
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