430 Stainless Steel Supply


430 stainless steel is a ferritic, straight chromium, non-hardenable grade, combining good corrosion resistance and formability characteristics with useful mechanical properties. Its ability to resist nitric acid attack permits its use in specific chemical applications but automotive trim and appliance components represent its largest fields of application.

These properties for 430 are specified for the flat rolled products (plate, sheet, and coil) in ASTM A240/A240M. Similar but not necessarily identical properties are specified for other products such as forgings and bars in their respective specifications. Properties of Grade 430F are specified for bars in ASTM A582.

430 Stainless Steel Properties

Corrosion Resistance: 430 stainless steel has excellent corrosion resistance in a wide range of environments. It can withstand exposure to water, mild acids, and other corrosive substances without corroding or rusting.

Strength: 430 stainless steel has moderate strength, making it ideal for applications that require moderate mechanical strength. It has a minimum tensile strength of 450 MPa and a minimum yield strength of 205 MPa.

Ductility: 430 stainless steel has good ductility, which means that it can be easily formed and shaped without cracking or breaking. This property makes it ideal for applications that require complex shapes or designs.

Weldability: 430 stainless steel is easily weldable, making it an excellent choice for applications that require welding. It can be welded using common welding techniques, such as TIG, MIG, and resistance welding.

Magnetic Properties: 430 stainless steel is magnetic, which makes it suitable for applications that require magnetic properties.

Heat Resistance: 430 stainless steel has good heat resistance and can withstand moderately high temperatures without losing its strength or corrosion resistance. It can withstand temperatures up to 815°C (1500°F) without undergoing any significant change in its properties.

Chemical Compsition

Chemical Compsition Wt.%

S430004300.050.5- …

430 Stainless Steel Applications

430 stainless steel is a widely used ferritic stainless steel known for its corrosion resistance, formability, and economical cost. While it may not possess the same corrosion resistance as austenitic grades, it finds applications in various industries. Here are some common applications of 430 stainless steel:

  1. Appliances: 430 stainless steel is frequently used in the manufacturing of household appliances such as refrigerators, dishwashers, ovens, and microwave ovens. Its corrosion resistance and formability make it suitable for these applications.
  2. Automotive Trim and Molding: Due to its aesthetic appeal and resistance to atmospheric corrosion, 430 stainless steel is utilized for automotive trim, badges, and other decorative elements on vehicles.
  3. Kitchen Equipment: Components of kitchen equipment such as sinks, countertops, and range hoods may be made from 430 stainless steel due to its corrosion resistance, ease of cleaning, and affordability.
  4. Architectural Applications: 430 stainless steel is used in architectural applications for decorative elements, cladding, and building components where corrosion resistance and a shiny appearance are desired.
  5. Utensils and Cutlery: Some types of kitchen utensils, flatware, and cutlery are made from 430 stainless steel. It offers a balance of corrosion resistance and cost-effectiveness for these applications.
  6. Exhaust Systems: Parts of automotive and industrial exhaust systems, such as mufflers and exhaust pipes, may be made from 430 stainless steel due to its resistance to high-temperature corrosion.
  7. Household Goods: Various household goods, including trash cans, door handles, and hardware, may use 430 stainless steel for its corrosion resistance and durability.
  8. Food Processing Equipment: Certain components of food processing equipment, such as trays, racks, and conveyor systems, may be made from 430 stainless steel.
  9. Catering Equipment: Kitchen equipment used in commercial kitchens and catering services, including food storage containers and preparation surfaces, may use 430 stainless steel.
  10. Automotive Trim and Decorative Strips: 430 stainless steel is employed for automotive trim pieces, decorative strips, and badges on vehicles where corrosion resistance and appearance are important.

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