Grade 430 Stainless Steel

Description

Grade 430 is a ferritic stainless steel, one of the most commonly used non-austenitic grades, known for its good corrosion resistance, cost-effectiveness, and magnetic properties. It contains 16.0-18.0% chromium, providing better corrosion resistance than 409, 410, and 420, especially in atmospheric and mild chemical environments. Unlike martensitic grades, 430 cannot be heat-treated to enhance its strength, but it offers excellent formability, weldability, and machinability. It is also resistant to oxidation at elevated temperatures, making it suitable for high-temperature applications such as furnace parts and heat exchangers. 430 is widely used in consumer and industrial applications where cost is a key factor and extreme corrosion resistance (such as in marine environments) is not required. Its ability to be polished to a decorative finish also makes it popular in architectural and decorative applications.

Chemical Composition (wt%)

C ≤ 0.12, Cr: 16.00-18.00, Mn ≤ 1.00, Si ≤ 1.00, P ≤ 0.045, S ≤ 0.030, Ni ≤ 0.75

Mechanical Properties

Tensile Strength ≥ 450 MPa, Yield Strength ≥ 205 MPa, Elongation ≥ 22%, Hardness ≤ 183 HB

Advantages

Good corrosion resistance in atmospheric and mild chemical environments; cost-effective; excellent formability and weldability; magnetic; easy to machine and polish; good high-temperature oxidation resistance.

Applications

Architectural trim, decorative panels, kitchen appliances (sinks, ovens), food processing equipment, furnace parts, heat exchangers, automotive trim, and general-purpose components in mild corrosive environments.

Equivalent Grades

AISI 430, UNS S43000, EN 1.4016, GB 06Cr17

 

Stainless Steel Suppliers

If you have project requirements for stainless steel, we welcome your order. GNEE has a large inventory of popular products for you to choose from. It can be processed into various practical product forms, including plates, coils, tubes, bars, wires, etc. For detailed chemical composition information and free samples, please contact our factory immediately. We offer competitive prices and excellent service.Email: info@gneestainless.com

 

Testing and Documentation: Factory test certificate, EN 10204 3.1, chemical report, mechanical report, destructive testing report, non-destructive testing report, PMI test report, visual inspection report, third-party inspection report, NABL certified laboratory report.
Packaging: Wooden crate packaging, bubble wrap packaging, steel strapping, or packaging according to customer requirements.