SAPH400 plate belongs to carbon manganese steel, characterized by low yield strength ratio and good formability. Carbon manganese steel SAPH400 plate adopts solid solution strengthening mechanism. Because the compression ratio of thick SAPH400 plate is not enough and the strength can not meet the requirements, the thickness of SAPH400 plate is limited. The effect of hot rolling process temperature on the microstructure of rolled piece is relatively small, so the effect of solution strengthening is relatively stable, the range of strength fluctuation is small, the SAPH400 plate performance is relatively uniform, and its yield strength is relatively low, which is conducive to cold forming of SAPH400 plate.
SAPH400 plate is widely used in automobile factories to manufacture angle beams, crossbeams and longitudinal beams of various models, and also can be used to make formed structural parts with high requirements for cold deformation performance. SAPH400 plate is characterized by pure internal quality, high dimensional accuracy, excellent molding and welding performance, and it is widely accepted by users.
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