On Aug 21, 4:11 pm, (DoN. Nichols) wrote:
...
And 4130 is *far* from "free machining S1214" (which is probably
a version of one of the LedLoy alloys above).
...
Enjoy,
DoN.

Speaking of 4130...
I have a sample pack of 4130 N tube & rod from Aircraft Spruce to play
with, ie practice threading and TIG welding. The lathe is old & worn
and I have trouble with carbide chipping, so I'll likely machine it
with HSS and brushed-on cutting oil. Any advice?

jw