I never thought about the fence company here, they're a big outfit
On Sat, Oct 17, 2020, 12:21 PM Bill Prince <[email protected]> wrote:
> Get a lot of pipe from a local fence supply. They do OD up to 6" and 28'
> long and cut to order. All galvanized, and I usually just treat the ends
> with some zinc chromate.
>
>
> bp
> <part15sbs{at}gmail{dot}com>
>
> On 10/17/2020 8:59 AM, Ken Hohhof wrote:
>
> I have used 3 inch (trade size) IMC electrical conduit. It is lighter
> than 3” rigid and probably stiffer because of work hardening of the steel
> in the forming process.
>
>
>
> You could also use 3 inch rigid conduit. You probably don’t want to get
> aluminum though, it’s got more flex.
>
>
>
> If you’re willing to pay for shipping, most of the usual distributors of
> tower steel sell galvanized pipe for mounting antennas. The advantage
> perhaps being I think the ends are galvanized. I’ve never seen the cut
> ends rusting to cause problems, maybe after 50 years it would.
>
>
>
> Are you sure 2” pipe or 2-3/8 galvanized fence post wouldn’t be good
> enough?
>
>
>
> If you just need short pieces, you could check with local plumbers and
> electricians to see if they have some leftover cut off pieces.
>
>
>
>
>
> *From:* AF <[email protected]> <[email protected]> *On Behalf
> Of *Steve Jones
> *Sent:* Saturday, October 17, 2020 10:22 AM
> *To:* AnimalFarm Microwave Users Group <[email protected]> <[email protected]>
> *Subject:* Re: [AFMUG] Black pipe
>
>
>
> I can get some 3 inch emt probably, not sure the OD on that, I need 3.5
> for some 3' antennas. Would that be rigid enough for that torque? And what
> is it made of that it doesnt rust, its steel
>
>
>
> On Sat, Oct 17, 2020, 9:54 AM <[email protected]> wrote:
>
> It will rust. Not quickly unless you are by the coast. Problem is, it
> has a coating that is difficult to remove. Sandblasting is what I use if I
> have to use it. You cannot galvanize it unless you remove the coating down
> to bare metal. Not sure if it will take paint. Probably if you degrease
> it pretty well.
>
>
>
> *From:* Steve Jones
>
> *Sent:* Saturday, October 17, 2020 8:40 AM
>
> *To:* AnimalFarm Microwave Users Group
>
> *Subject:* [AFMUG] Black pipe
>
>
>
> We normally get galvanized water pipe for masts, but the local shop doesnt
> have any 3 inch in stock..they have 3 inch black pipe though. Has anybody
> used black pipe as a mast before? I'm concerned it will rust out relatively
> quickly
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