409L Stainless Steel Plate/Sheet Details
Overview
409L stainless steel plate/sheet is a low-carbon, ferritic stainless steel with excellent corrosion resistance and high temperature resistance. It is commonly used in applications that require oxidation and corrosion resistance, combined with good mechanical properties and weldability. The low carbon content enhances its welding capabilities and minimizes grain growth.
Key Characteristics
Corrosion Resistance: Provides good resistance to corrosion, especially in mildly corrosive environments.
High-Temperature Resistance: Maintains its strength and oxidation resistance at elevated temperatures.
Mechanical Properties: Offers good mechanical properties, including strength and ductility.
Weldability: The low carbon content improves its welding properties, making it suitable for various fabrication processes.
Chemical Composition
Carbon (C): ≤ 0.03%
Manganese (Mn): ≤ 1.00%
Silicon (Si): ≤ 1.00%
Phosphorus (P): ≤ 0.040%
Sulfur (S): ≤ 0.03%
Chromium (Cr): 10.5-11.75%
Nickel (Ni): ≤ 0.50%
Nitrogen (N): ≤ 0.03%
Titanium (Ti): 6xC min. - 0.75%
Common Applications
Automotive Exhaust Systems: Used in automotive exhaust systems due to its excellent resistance to high temperatures and corrosion.
Mufflers and Catalytic Converters: Ideal for use in mufflers, catalytic converters, and other components in exhaust systems.
Heat Exchangers: Employed in heat exchangers where good thermal conductivity and corrosion resistance are required.
Industrial Equipment: Suitable for industrial equipment that operates in mildly corrosive environments.
Construction Materials: Used in construction materials where resistance to atmospheric corrosion is necessary.
Advantages
Good Corrosion Resistance: Offers reliable resistance to corrosion, particularly in mildly corrosive and high-temperature environments.
High Strength and Ductility: Provides good mechanical properties, making it suitable for various applications.
Excellent Weldability: The low carbon content enhances its weldability, reducing the risk of grain growth and improving the quality of welded joints.
Cost-Effective: An economical choice for applications requiring corrosion and oxidation resistance without the need for higher-cost stainless steels.
Summary
409L stainless steel plate/sheet is a versatile and cost-effective material designed for applications requiring corrosion and high-temperature resistance, combined with good mechanical properties and weldability. Its low carbon content enhances its suitability for welding and fabrication, making it a popular choice in automotive exhaust systems, heat exchangers, and industrial equipment.
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