Quote Originally Posted by Rambozo View Post
It seems that the consensus is that original HD is cast in 319 while most aftermarket is cast in 356.
Not that I don't believe you, but consensus from where? I ask because of my earlier concern, the AlcoTec chart calls for 4145 for 319, I'd hate to burn $55 a lb to find out it was 357 or 359 or something.

Any guess as to why 4043 isn't recommended by them for 319 to 319 welds?