Posted by Angelo [205.188.116.76] on Friday, September 25, 2009 at 15:46:06 :
In Reply to: Welding rod question posted by Doc Dave [69.19.14.33] on Friday, September 25, 2009 at 09:05:40 :
The first two #'s are the strenth.For example, 7018, 70.000lbs psi. Next # is posisition. The #1 = all posisition. The last # is the type of coating on the rod. Take a 7024 rod. 70,000 psi, #2= flat and the 4 is the coating.