From an auction

http://igor.chudov.com/tmp/Welding-Rod/

65 lbs -- Stoody 21 hadrfacing rod (4% iron)
40 lbs -- 308, 316 staniless rod
16 lbs -- Nickel 99 cast ron welding rod
70 lbs -- 7024 steel weldnig rod
10 lbs -- Certanium 707 SP -- all metal repair rod
40 lbs -- everything else?