I am a rookie at this welding stuff, and plan to get plenty of practice before building real airplane parts. That said,
what do you all think about heat treating after welding? I will be gas welding. Do I really need 4130 rod, or can I use
another high carbon steel rod? How about 'S2' rod (only if not heat treating?)?

I have seen all sorts of discussion about this, but none of it is really clear. I know some of you folks are indeed
experts so I am seeking your advise.

Thanks All!

Dan D.
Kalamazoo, MI