Whst type of tubing ...

marty79

marty79

Well-Known Member
Joined
Dec 2, 2015
Location
Newton, NC
Just scored some 1⅝OD x 1⅛ID x ¼wall Seamless tubing but how do I know what it is. Thanks for the help
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braxton357 said:
You don't, unless you have a spectrometer. Can you see the cold drawn spiral down the outside of it? Most likely a513
Click to expand...
ok i guess makes sense. Either way, since it is seamless is it safe to say the quality of it is like DOM or equivalent?
I've gotta clean it up obviously, so i need to be looking for spirals...any other indicators? This stuff comes from industrial fabrication shops so I'm assuming it's gotta be pretty hefty stuff, like most steel I get from the guy
 
marty79 said:
ok i guess makes sense. Either way, since it is seamless is it safe to say the quality of it is like DOM or equivalent?
I've gotta clean it up obviously, so i need to be looking for spirals...any other indicators? This stuff comes from industrial fabrication shops so I'm assuming it's gotta be pretty hefty stuff, like most steel I get from the guy
Click to expand...

If it’s from an industrial fabrication shop, it’s probably handrail pipe, which is 1 1/4” pipe that has a 1.66” OD, very close to 1 5/8” if measured with a tape measure. Junk for most of what we do.
 
Traditional grinder spark color test, file harness test, maybe a machinist with a Rockwell tester, is it magnetic and so on. If it is from a normal source ask the source? In the amount and due to much higher cost for anything special chances are its no crazy alloyed element.

If your really worried send a small chunk to a lab.
 
Perfect to use as rock siders or similar if you build the rest out of 1.5" DOM.
 
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