Stainless or Regular Steel Stove Pipe?

 
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keegs
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Post by keegs » Thu. Dec. 29, 2016 8:54 pm

grumpy wrote:I use Heat Fab heavy black pipe, I don't do anything to it in summer and its fine at eight years old. K check your PM.
Great idea grumpy using gasket rope for packing the gap between the seven inch pipe and eight inch thimble.

 
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oliver power
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Post by oliver power » Thu. Dec. 29, 2016 9:44 pm

I've used both. Flip a coin. It really doesn't matter. :)

 
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McGiever
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Post by McGiever » Mon. Jan. 02, 2017 9:58 am

SS or NOT has no final answer...no two installs are the same.
Works great for some and not so great for others...too many variables so "depends", is the only answer. ;)

 
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Post by rodhotter » Fri. Apr. 22, 2022 9:31 am

very old i see but i looked before + found NOTHING that lasts for ME. dont know what grade stainless i had but it does well in my garage pot belly i burn wood BUT NOT in my basement kitchen where the Harman MK I is. last pipes were the HeatFab black that were a bit spendy, felt heavy BUT they will be SHOT after this year with small holes in them + had some surface rust on seasons start. i brush the inside + used corrosion X in + out when new + outside when stored in my attic ASAP when stove gets shut down. basement kitchens are generally damp BUT not when the Harman is ON!!


 
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McGiever
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Post by McGiever » Fri. Apr. 22, 2022 10:03 am

Wood= creosote good coating against corrosion.

Flyash = moisture seeking coating plus highly corrosive.

Adding exposer time really makes this bad.

Remove moisture is good, remove flyash coating good…remove moisture and flyash is great!!
And NO stove pipe metal type is immune to all flyash corrosion.

 
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2001Sierra
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Post by 2001Sierra » Fri. Apr. 22, 2022 10:59 am

rodhotter wrote:
Fri. Apr. 22, 2022 9:31 am
very old i see but i looked before + found NOTHING that lasts for ME. dont know what grade stainless i had but it does well in my garage pot belly i burn wood BUT NOT in my basement kitchen where the Harman MK I is. last pipes were the HeatFab black that were a bit spendy, felt heavy BUT they will be SHOT after this year with small holes in them + had some surface rust on seasons start. i brush the inside + used corrosion X in + out when new + outside when stored in my attic ASAP when stove gets shut down. basement kitchens are generally damp BUT not when the Harman is ON!!
I agree, I have used stainless, and now use 22Ga Black pipe. Both need thorough spring clean, rinse, dry with compressed air and my go to is fluid film and attic is nice dry storage.

 
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franpipeman
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Post by franpipeman » Wed. Apr. 27, 2022 1:30 pm

rockford chimney 316 Ti stainless

 
rodhotter
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Post by rodhotter » Mon. May. 02, 2022 9:10 pm

as i posted in another thread NOTHING lasts past 3 years + that was the costlier Heat Fab PITA to cut + install black pipe. i remove + brush it clean yearly before it rests in my attic. used various "protectants" but not fluid film + pipes pit outside + prolly inside as well. whatever thin stainless i got from venting pipes only went 2 years wondering if the cheap EZE to DIY install galvavized will be the best value this year with bloated pricing everywhere!! i have a Harman MK I on Pa anthracite + stove sets in my basement-kitchen + keeps me comfy on the cheep until it gets too warm + i shut it down to run my oil furnace on the same chimney.


 
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freetown fred
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Post by freetown fred » Tue. May. 03, 2022 8:27 am

You talkin inside or outside pipe????????????????????????? I tend to change inside black pipe every 3 or 4 yrs anyway--from the attic up is triple wall.

 
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Post by Retro_Origin » Sat. May. 28, 2022 9:51 am

Does anyone care to elaborate on the extended life of pipe (or maybe not?) of a continuous run boiler in comparison to a winter only unit?

I'm surprised (but not in disbelief) that some say SS is not even fully resistant to flyash+moisture corrosion. Pretty impressive considering what kind of applications 316SS is used in (and holds up under) flyash must be some pretty corrosive stuff! Good thing I'm breathing it! :lol: :lol: :lol: :lol: :lol:

 
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Post by McGiever » Sat. May. 28, 2022 10:27 am

It is Sulfuric Acid and 316 SS is not the best for that.
And running boiler year round is to save the boiler fire walls more so than the stove pipe.

Remove either the moisture or the flyash and any corrosion is stopped.

 
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Rob R.
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Post by Rob R. » Sat. May. 28, 2022 10:41 am

Retro_Origin wrote:
Sat. May. 28, 2022 9:51 am
Does anyone care to elaborate on the extended life of pipe (or maybe not?) of a continuous run boiler in comparison to a winter only unit?
The pipe will last much longer on a boiler that is run year round.

 
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Post by Retro_Origin » Sat. May. 28, 2022 12:37 pm

Good stuff.

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