As far as I know automotive rims are just mild steel. So long as they are welded up properly I do not see why you would have an issue. If the price is right I would go for it.

If you were going from 10lug to 6lug I would see more of a potential issue.

Welding rims is done all the time. Here is one article:
http://www.fordmuscle.com/archives/2006/02/Steelies/

Tad


1946 Chevy OS 1.5ton, 1955 GMC 3100, along with other various IH,Ford,Nash,MGB,.....