[Steam-engine] Stainless vs. Sch 80

[Orrin Iseminger]

I will second Mike's post.  A stainless to stainless threaded joint can
easily gall (cold weld) and when that happens it is about as easy to get
apart, again, as an on-purpose weld.  

Regards,

Orrin

Orrin Iseminger
Colton, Washington, USA
http://users.moscow.com/oiseming/lc_ant_p/index.htm
So many projects.  So little time.   

-----Original Message-----
From: steam-engine-bounces at lists.stationary-engine.com
[mailto:steam-engine-bounces at lists.stationary-engine.com] On Behalf Of Mike
Longmead
Sent: Thursday, October 06, 2005 7:00 AM
To: Steam-engine mailing list
Subject: Re: [Steam-engine] Stainless vs. Sch 80

Andy
I work with stainless a lot, first it is very expensive compared to black 
iron. Stainless is difficult to work with, pipe threading requires good dies

to produce acceptable threads. If the threads are not perfect the joints can

weld when you tighten them. Once welded the joints must be cut apart.
Mike longmrad
----- Original Message ----- 
From: "Andy glines" <pioneersop96 at yahoo.com>
To: "Steam" <steam-engine at lists.stationary-engine.com>
Sent: Thursday, October 06, 2005 8:42 AM
Subject: [Steam-engine] Stainless vs. Sch 80


> Now I'm going to start a debate.  Hopefully (fingers
> crossed) it won't be long before I need to start
> installing new plumbing on the Huber.  As per
> suggestions here and at Steam School I am planning to
> use Sch. 80 steel pipe.  I have had two people
> recommend stainless steel to me this summer.  Has
> anyone gone with stainless?  Which grade of stainless
> should I use?  How much more $$$ for stainless?  Give
> me your opinions.
>
> Andy Glines
> Evansville, IN
>
>
>
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