...the darker coating is from oversea mills (greater chance of corrosion), and the lighter coating is from domestic mills....
...the USA stuff has mill scale on it(the darker coating) the india stuff is a light grey.
Huh? is it just me....Thanks guys. Good to know the stuff I got this time is American made.
Yep, but "other" sounds better to somebody who doesn't know that a large majority of tubing comes from China.Other would be Chinese.