Material non-being hardened, magnetic. Machinability slightly below the martensitic stainless steels.

Corrosion resistance: greater than the martensitic stainless steel. Good resistance to mineral acids means (nitric above 70 ° C, cold H2SO4 mixtures, dilute phosphoric acid), organic acids (acetic above 50 ° C, formic, citric and tartaric acid at room temperature), cold saline solutions and warm ( ammonium sulfide, Al, Fe, chromate, chloride, permanganates).

Food: ferritic steels are preferred to martensitic when you do not need high hardness.

atmospheric corrosion: good resistance in rural and urban environment, it is less suitable for marine and industrial environments.

Sea water: good resistance, susceptible to corrosion alvânica Copper alloys

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