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Q620C high strength steel plate

Q620C high-strength steel plate is a high-quality steel widely used in construction, bridges, ships, automobiles and other fields. It has high strength, high toughness, good welding performance and processing performance, and can meet the requirements of various complex structures and heavy loads.

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High-strength steel plate

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Mechanical properties: Yield strength (Rp0.2): ≥620 MPa
Tensile strength (Rm): usually between 690 and 890 MPa
Elongation after fracture (A): Depending on the thickness of the steel plate, the elongation has different requirements, for example, for a steel plate with a thickness of ≤16mm, A≥18%
Impact performance: The impact absorption energy requirement of Q620C steel plate at 0°C is usually ≥27 J, showing good low-temperature impact toughness.
Application areas: high-strength structural components such as bridges, high-rise buildings, heavy machinery such as excavators, cranes, etc., pressure vessels, boilers and pipelines, shipbuilding, automotive industry, such as automobile beams, beams, etc.
Production process: Q620C steel plate is usually produced by thermomechanical rolling (TMCP) process, and a fine grain structure is obtained by controlling the rolling and cooling speed, thereby improving the strength and toughness of the steel.
Features: high strength and toughness, excellent welding performance, good processing performance, environmental sustainability, etc.

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High-strength steel plate