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Tag: Austenitic SS 303

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  • Austenitic SS 303

    AISI 303 (SUS 303) Grade Stainless Steel

    Stainless steel type 1.4305 is popularly known as grade 303 stainless steel. Grade 303 is the most readily machineable of all the austenitic grades of stainless steel. The machineable nature of grade 303 is due to the presence of Sulphur in the steel composition. Whilst the Sulphur improves machining, it also causes a decrease in the corrosion resistance and a slight lowering of the toughness. Alloy 409 is available as round / flat / sheet /hexagonal plate/ square /coil / pipe & fittings. The corrosion resistance of type 303 is lower than that for 304. The toughness is still excellent as with other austenitic grades. Property data given in this document is typical for bar products covered by ASTM A582. ASTM, EN or other standards may cover products sold by Tecni-Cable Ltd. It is reasonable to expect specifications in these standards to be similar but not necessarily identical to those given in this datasheet.