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STEEL OR DIECAST #27851
08/04/03 07:18 AM
08/04/03 07:18 AM
G
GEO  Offline OP
Member
Joined: Mar 2003
Posts: 47
Lancaster,Pa
web site says diecast is better? do we have any thoughts on this? reason for asking-- job was speced steel and it is not, do you forget about price difference? THANKS GEO

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Re: STEEL OR DIECAST #27852
08/04/03 09:46 AM
08/04/03 09:46 AM
C
caselec  Offline
Member
Joined: Apr 2002
Posts: 558
San Jose, CA
What web site says die cast are better?

I prefer steel fittings and almost never use any die cast. Most projects that have written specifications for things like fittings will require steel fittings. Public works projects often require steel compression fittings. In my area they don't seem to be requiring the compression type now.
Steel does cost a little more but you need to work with you supplier on pricing.


Curt Swartz
Re: STEEL OR DIECAST #27853
08/04/03 09:56 AM
08/04/03 09:56 AM
G
GEO  Offline OP
Member
Joined: Mar 2003
Posts: 47
Lancaster,Pa
caselec
engineering dept @ www.bptfittings.com

Re: STEEL OR DIECAST #27854
08/04/03 01:53 PM
08/04/03 01:53 PM
I
iwire  Offline
Moderator
Joined: Jan 2003
Posts: 4,391
North Attleboro, MA USA
I would go with what caselec said, I looked at the site (look at contractor corner)
and they say,

Quote
The perception that steel fittings will outperform similar type fittings manufactured from die cast zinc is untrue. In fact, just the opposite may be true.


But they do not seem to back this up, they tell you that steel and diecast fittings pass the same test at UL.

Do your own test, couple two 10' EMTs together first with diecast and then with steel.

Hold this straight out from the end and shake well.

Diecast will split, the steel will hold out.


Bob Badger
Construction & Maintenance Electrician
Massachusetts
Re: STEEL OR DIECAST #27855
08/05/03 04:33 PM
08/05/03 04:33 PM
G
Gwz  Offline
Member
Joined: Apr 2002
Posts: 197
A few years ago I had occasion to use-up a box full of 3/4" old ( 10 to 15 years old ) diecast couplings and some connectors. They were never used before, new but just old.

Almost every one cracked open when tightening the set-screw.

That cured me from using die-cast fittings.

Had installed many-many fresh-off-the-shelf of the same brand, in years gone by, and do not recall having that cracking problem.

Re: STEEL OR DIECAST #27856
08/05/03 07:53 PM
08/05/03 07:53 PM
J
John Steinke  Offline
Member
Joined: Apr 2001
Posts: 518
Reno,Nv., USA
I like the "feel" of steel.
I like the cost of "cast."

One place where the die-cast shine: when you need to remove that inside lip from a coupling, so you can slide it over the pipe.
Sometimes, the plumber cuts through conduit whith his concrete saw. Of course, you need to pull new wire- but how do you repair the pipe? Slide couplings over either end, insert a replacement section of pipe, slide coulpings into place, and tighten. Try removing the lip from a steel coupling, and you'll understand why zinc is preferred.


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