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Posted by DD_BobK on October 19, 2009, 4:35 pm
On Oct 17, 7:42=A0pm, cheapd...@home.com wrote:
> I did take a sample to ACE Hardware this afternoon, they measured and sai=
d
> was about 1/16 inch larger than 1/2 inch copper......I do not believe it =
is
> 5/8....I just checked and compared with some new 1/2 inch I had in baseme=
nt
> and there is just slight difference in size.... pretty much, they look th=
e
> same to me.
What is the od measurement?
What did the ace folks measure it with? a tape?
You really don't care that is measures "about 1/16 inch larger than
1/2 inch copper", that is a pretty much useless piece of information
.......you want the actual outside diameter, measured with a caliper
to the nearest .005"
standard copper tube has the following "od's" ......... in your size
range
.5, .625 & .750
any other od's are not standard copper "tube"
ACR tube has the same od's but the size designations are
"shifted".........go figure?
I've been working with copper tube since the 60's and the sizes
haven't changed
for the spec sizes visit
http://www.copper.org/applications/plumbing/techref/cth/tables/cthindex_tab=
le.html
cheers
Bob
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> was about 1/16 inch larger than 1/2 inch copper......I do not believe it
> is
> 5/8....I just checked and compared with some new 1/2 inch I had in
> basement
> and there is just slight difference in size.... pretty much, they look the
> same to me.