The 300-series stainless family — non-magnetic, highly corrosion resistant, and prone to work hardening.
Austenitic stainless has a face-centred cubic structure stabilised by nickel. It is the most corrosion-resistant common family, non-magnetic in the annealed state, and weldable.
Its weakness is machining: it work-hardens severely, is gummy, and has low thermal conductivity so heat concentrates at the edge. The three rules are sharp tooling, constant feed, and no dwelling.
Assuming all stainless machines alike. Ferritic and martensitic grades cut much more like carbon steel; austenitic grades do not.
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