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430 vs. 304 stainless steel

430 and 304 are different grades of stainless steel. Both offer many practical applications. There are several differences and similarities between these grades of stainless steel.

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While 430 grade stainless steel is magnetic, 304 grade stainless steel is non-magnetic. Type 430 steel is a less expensive grade of stainless steel that is somewhat difficult to form and weld. Type 304 steel is easier to form and weld than 430 stainless steel.


Type 430 stainless steel is ideal in the production of automotive trim, the insides of clothes dryers and dishwashers. Manufacturers use 304 stainless steel in the production of kitchen sinks, counter tops, food processing equipment and other equipment regularly exposed to corrosive environments. Type 430 stainless steel is one of the most popular grades of stainless steel.


Chromium is added to stainless steel, giving the steel corrosion-resistant properties. Type 430 stainless steel is made up of 17 per cent chromium and 0.12 per cent carbon while 304 stainless steel contains 18 per cent chromium and 0.08 per cent carbon.

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