430 is a ferritic stainless steel with good corrosion resistance in mild atmospheres and excellent resistance to stress corrosion cracking. It is magnetic and widely used for decorative and automotive applications.
Key Properties
Ferritic Structure: Magnetic with good resistance to stress corrosion cracking.
Corrosion: Good resistance to nitric acid and mild organic acids; not suitable for marine environments.
Heat Resistance: Good oxidation resistance up to 850°C.
Machinability: Excellent machinability compared to austenitic grades.
Common Applications
Automotive: Trim, fasteners, and exhaust system components.
Appliances: Washing machine drums, dishwasher interiors, and refrigerator panels.
Architecture: Interior decorative trim and non-structural components.
Industrial: Bolts, nuts, and screws requiring magnetic properties.