439L Stainless Steel Plate/Sheet Details
Overview
439L stainless steel plate/sheet is a low-carbon ferritic stainless steel known for its good formability, corrosion resistance, and heat resistance. It is a variant of 439 stainless steel with reduced carbon content, which enhances its resistance to intergranular corrosion and makes it suitable for applications requiring improved weldability and fabrication.
Key Characteristics
Good Corrosion Resistance: Provides reliable resistance to oxidation and mild corrosion, particularly in automotive and industrial applications.
Improved Weldability: Reduced carbon content improves its weldability compared to standard 439 stainless steel, making it suitable for complex welding applications.
High Formability: Offers excellent formability, allowing it to be easily bent, shaped, and stamped for various applications.
Heat Resistance: Maintains good oxidation resistance and strength at elevated temperatures.
Magnetic Properties: Exhibits magnetic properties in both annealed and cold-worked conditions.
Chemical Composition
Carbon (C): ≤ 0.02%
Manganese (Mn): ≤ 1.00%
Silicon (Si): ≤ 1.00%
Phosphorus (P): ≤ 0.040%
Sulfur (S): ≤ 0.030%
Chromium (Cr): 16.0-18.0%
Nickel (Ni): ≤ 0.50%
Common Applications
Automotive Components: Used in automotive exhaust systems, heat shields, and trim parts due to its heat resistance and corrosion resistance.
Kitchen Appliances: Ideal for kitchen appliances and equipment, including sinks, oven liners, and range hoods, for its durability and easy maintenance.
Architectural Elements: Employed in architectural applications such as building facades and decorative elements, offering both aesthetic appeal and functionality.
Industrial Equipment: Suitable for various industrial equipment and components that require good formability and resistance to mild corrosion.
Heat Exchangers: Used in heat exchangers and similar equipment where heat resistance and corrosion resistance are important.
Advantages
Enhanced Corrosion Resistance: Provides reliable resistance to oxidation and mild corrosion, extending the lifespan of components in various environments.
Improved Weldability: Low carbon content improves the weldability of the material, allowing for easier fabrication and joining.
Excellent Formability: Can be easily formed into complex shapes and structures, making it versatile for different applications.
Good Heat Resistance: Maintains performance and structural integrity at elevated temperatures, suitable for high-temperature applications.
Cost-Effective: Offers a balance of performance and affordability, making it a practical choice for many applications.
Summary
439L stainless steel plate/sheet is a low-carbon ferritic stainless steel designed for applications requiring good corrosion resistance, improved weldability, and high formability. Its reduced carbon content enhances its resistance to intergranular corrosion and makes it suitable for automotive components, kitchen appliances, architectural elements, industrial equipment, and heat exchangers. Offering a combination of durability, heat resistance, and ease of fabrication, 439L stainless steel is a cost-effective solution for a wide range of applications.
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