S500MC Automotive Structural Steel for High-Strength Applications

EN 10149-2 S500MC Automotive Structural Steel Description

S500MC automotive structural steel, defined by the EN 10149-2 standard, is a high-strength, low-alloy (HSLA) steel designed for cold-forming applications. The "S" denotes its structural purpose, while "500" indicates a minimum yield strength of 500 MPa. S500MC steel is engineered to provide superior formability and weldability, making it ideal for complex automotive structures requiring high durability and precision.

S500MC automotive steel is defined by its ability to combine high strength with excellent cold-forming capabilities. Its fine-grained microstructure, achieved through thermomechanical rolling, enhances toughness and resistance to deformation under stress. The steel maintains its mechanical properties up to approximately 400°C, making it suitable for demanding environments. Additionally, S500MC steel applications benefit from its good weldability, allowing for seamless integration into automotive assemblies without compromising structural integrity.

• High Yield Strength: Ensures load-bearing capacity for heavy-duty applications.
• Superior Formability: Allows shaping into complex geometries without cracking.
• Weldability: Compatible with MIG, TIG, and other welding methods, with minimal preheating required.
• Corrosion Resistance: Moderate resistance to atmospheric corrosion, enhanced by alloying elements like chromium and nickel.

EN 10149-2 S500MC Automotive Structural Steel Datasheet

Thickness: 1.8 mm to 30 mm or customized size
Width: 800 mm to 2,000 mm or customized size
Coil Weight: Up to 30 tons (varies by supplier)
Inner Diameter: Typically 610 mm or 760 mm
Outer Diameter: Up to 2,100 mm

The S500MC automotive structural steel applications are widespread in the automotive sector due to its ability to reduce vehicle weight while maintaining safety and performance. Common uses include:

• Chassis and Suspension Components: Provides strength for critical structural parts.
• Crash Absorbers and Safety Components: Enhances passenger safety through high energy absorption.
• Structural Beams and Frames: Supports lightweight designs in vehicle frameworks.
• Cold-Rolled Sections: Used in precision-engineered parts for automotive manufacturing.

EN 10149-2 S500MC Automotive Structural Steel Chemical composition

The S500MC steel chemical composition includes carefully balanced alloying elements to achieve its high-strength properties. The table below details the typical composition as per the EN 10149-2 standard:

Note: The combined content of Nb, V, and Ti must not exceed 0.22%.

EN 10149-2 S500MC Automotive Structural Steel Mechanical Properties

The S500MC steel mechanical properties make it suitable for high-stress applications. The following table summarizes its key mechanical characteristics:

Note: Properties may vary slightly based on plate thickness and manufacturing conditions.

Equivalent Grade of EN 10149-2 S500MC Automotive Structural Steel

S500MC steel has several equivalent grades used globally, offering similar properties for automotive and structural applications. The table below lists common equivalents: