Stainless Steels for the Food Processing Industries

Grades 1.4301 (304) 1.4401(316) and 430 (1.4016) are compared for food contact applications. A list of typical applications for martensitic 1.4028 (420) and 1.4116 ferritic 1.4016 (430) austenitic 1.4301 (304) 1.4401 (316) and 1.4539 (904L) austenitic 1.4362 and 1.4462 (2205) duplex and 1.4547 (254SMO) superaustenitic types is presented. Corrosion hazards in food applications ie pitting crevice and stress corrosion cracking are discussed. Suitable cleaning and disinfection systems should avoid the use of hypochlorite or chloride solutions.

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