S500MC is a high-strength, low-alloy steel that is commonly used in various industrial applications due to its excellent mechanical properties and high yield strength. This steel grade is part of the EN 10149-2 standard, which covers hot-rolled flat products made of high yield strength steels for cold forming.
Chemical Composition:
Carbon (C): ≤ 0.12%
Manganese (Mn): ≤ 1.60%
Silicon (Si): ≤ 0.50%
Phosphorus (P): ≤ 0.025%
Sulfur (S): ≤ 0.015%
Aluminum (Al): ≥ 0.015% (used as a deoxidizer)
May contain small amounts of other elements such as niobium (Nb), titanium (Ti), and vanadium (V) to improve strength and toughness.
Mechanical Properties:
Yield Strength: ≥ 500 MPa
Tensile Strength: 550 - 700 MPa
Elongation at Break (A50): ≥ 12%
Impact Toughness: High impact toughness, even at lower temperatures.
Formability: Good formability, making it suitable for cold forming processes.
Physical Properties:
Density: Approximately 7.85 g/cm³
Young’s Modulus: ~210 GPa
Thermal Conductivity: ~50 W/m·K
Coefficient of Thermal Expansion: ~12 µm/m·K
Automotive Industry:
Chassis and Structural Components: Used in the production of automotive chassis, frames, and other structural parts where high strength-to-weight ratio is critical.
Crash Components: Due to its excellent energy absorption and impact resistance, it is used in safety-critical components like crash barriers and reinforcements.
Construction and Civil Engineering:
Load-Bearing Structures: Ideal for heavy-duty construction applications such as bridges, cranes, and building frameworks where high strength and durability are required.
Machinery Components: Employed in the manufacturing of components for heavy machinery and equipment that are subject to high loads and stress.
Transportation Industry:
Trailers and Trucks: Used in the production of lightweight yet strong components for trailers, trucks, and other transportation vehicles to improve fuel efficiency while maintaining structural integrity.
Agricultural Equipment:
Farm Machinery: Utilized in the construction of durable and high-strength agricultural machinery such as plows, harvesters, and other equipment that operates in harsh environments.
Mining and Earthmoving Equipment:
Heavy-Duty Applications: S500MC is suitable for use in the manufacturing of mining and earthmoving equipment, including bulldozers, excavators, and dump trucks, where resistance to wear and tear is crucial.
High Yield Strength: The high yield strength of 500 MPa allows for the construction of lighter and stronger structures, which is beneficial in weight-sensitive applications.
Good Formability: Despite its high strength, S500MC offers good formability, making it suitable for complex shapes and cold forming processes.
Weldability: It exhibits good weldability with conventional welding methods, ensuring strong and reliable joints in fabricated structures.
Durability: The material’s toughness and resistance to abrasion and fatigue make it ideal for demanding environments.
S500MC high yield steel is a versatile material with a wide range of applications in industries that require high strength, durability, and good formability. Its combination of mechanical properties makes it a preferred choice for applications where weight reduction and strength are crucial, such as in the automotive, construction, and heavy machinery industries.
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