On Tue, 5 Jan 2021 at 23:05, <ken.stra...@gmail.com> wrote: > > https://www.makeitfrom.com/compare/SAE-AISI-4140-SCM440-G41400-Cr-Mo-Steel/SAE-AISI-P20-T51620-Low-Carbon-Mould-Steel
Possibly a little more informative: http://harrisonspecialiststeels.co.uk/tool-steel/p20-mould-steel/ -- atp "A motorcycle is a bicycle with a pandemonium attachment and is designed for the especial use of mechanical geniuses, daredevils and lunatics." — George Fitch, Atlanta Constitution Newspaper, 1912 _______________________________________________ Emc-users mailing list Emc-users@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/emc-users
