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Stainless Steel Guide
- Oct 31, 2017 -

Type 304 stainless steel (also known as 18/8 stainless steel) is an austenitic stainless steel.It has higher nickel content than its ferritic 430 counterpart.Type 304 is non magnetic, more resistant to corrosion than 430, and is more durable.

Type 304 is immune to foodstuffs, sterilizing solutions, most organic chemicals and dyestuffs,and a wide variety of inorganic chemicals.Because 304 can withstand the corrosive action of various acids found in fruits, meats, milk, and vegetables, it is used for sinks, tabletops, stoves, refrigerators, and steam tables. It is also used in numerous other utensils such as cooking appliances, pots, pans, and flatware.

Type 430 has good resistance to a wide variety of corrosives including nitric acid and some organic acids.It attains its maximum corrosion resistance when in the highly polished or buffed condition.In general, its resistance to pitting and crevice corrosion resistance is close to that of Type 304. Stress corrosion cracking resistance of Grade 430 is very high, as it is for all ferritic grades.