Tube Coping Calculator
They explain quite a bit on the tube Cope Calculator page.
However, I experimented on the 2 3/8" oilfield pipe which is actually 2" Sch 40 pipe.
For the O.D. I found that 2.412" and wall thickness of .16" worked the best. Probably due to rust/dirt.
For the smaller oilfield pipe which is 1 1/2" Sch 40 pipe I used 1.904" as O.D. and .147" as wall thickness.
I haven't tried it on the 2 7/8" oilfield pipe yet.
When I am done calculating I click the PDF link under the drawing but make sure you print "actual size" or it won't fit your pipe.
Here is a chart of pipe with OD, wall thickness, weight per foot, etc:
Pipe Sheet
Other links you might use:
Measure
Engineering Tool Box
Lehigh Valley Abrasives
Ranchers Pipe
King Metals Weldable Elbows, End Caps, Tees
Drillco Nitro Drill Bits
Nitro Drill Bits
Grizzly Band Saws
Ellis 1600 Band Saw (Linweld $2300)
One Torch 7-5202 also need 7-3465 adapter
Thermal Dynamics One Torch Information
Gehl 5635 Parts Manual
SawBlade.com
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