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Re: Welding Rod #'s
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Posted by Jon on December 10, 2003 at 19:20:24 from (66.209.40.193):
In Reply to: Welding Rod #'s posted by Shane on December 10, 2003 at 17:39:11:
Just to re-cap what the other guys said, the first two numbers on the rod has to do with its tensile strength, the third is the position and the last is the A-C and D-C rod polarity. The E in front of the four numbers is for "Electrode".
So 6011 and 6013 are both 60,000 pounds per square inch (PSI) or 60 kilopounds per square inch (KSI). The "1" is "position one - all position", and the last number has to do with the polarity, which i'm a little unclear of. 6011 spatters a lot, and I only use it for heavy thick steel welding, other wise I like 6013 for mild steel. Common mild steel such as wide flange beams has a tensile strength of 36 ksi (36,000 P.S.I.) "yeild" strength and a working strength of about 60 percent of yeild. Frames are generally made of stronger steel - more like 50 ksi. or higher.
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