Quoting from a Vincent Brass & Aluminum Co. catalog, under the
section "Identifying Stainless Steel Types":
'Magnet tests . . . Austentic (sic) (300 series types) are non-
magnetic; the others are magnetic.'
Further:
"Austenitic stainless steel. A term used to identify the
standard
200 and 300 series of chromium-nickel stainless steels on the
basis of their metallurgical structure. Austenitic stainless
steels are nonmagnetic in the annealed condition, becoming
slightly to moderately magnetic when severely cold worked,
depending upon their composition. These steels are not
generally hardenable by heat treatment.
"Martensitic stainless steels. Family of chromium stainless
steels that are hardenable by heat treatment and to some extent
by cold work. They are magnetic in all conditions at room temp-
erature.
Hope that clarifies the subject.
73, Arliss W7XU
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