430 Stainless Steel Strip is an austenitic chromium-nickel-manganese stainless steel developed in the 1950s as a result of global nickel shortages. Manganese and nitrogen are partially substituted for nickel in the Type 201 composition.The following is the chemical composition of austenitic, non-magnetic stainless steel 430. It is composed of chromium (16% - 18%) and nickel (3.5% - 5.5%). It has a higher manganese (5.5%-7.5%) and nitrogen content.
Type 430 is known to have moderate ductility limited forming, bending and welding characteristics and can be drawn to a moderate degree. This alloy is highly magnetic, resistant to scaling at 1500°F and has better resistance to dry sulphur-bearing gases than the chromium-nickel stainless type.
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