Quenching is a common heat treatment process. It is the metal heat treatment process in which the S420ML steel mechanical properties metal workpiece is heated to a proper temperature and kept for a period of time, then immersed in the quenching medium for rapid cooling. Quenching can improve the strength and hardness of steel in a large range, and adjust the coordination between S420ML steel mechanical properties strength and hardness, plasticity and toughness. Quenching is generally used as the final heat treatment.
With the development of science, technology and industry, higher requirements are put forward for steel materials, such as higher strength, resistance to high temperature, high pressure, low temperature, corrosion resistance, abrasion, and other special physical and chemical properties. S420ML steel mechanical properties, carbon steel can no longer fully meet the requirements, so alloy steel plates appeared. Improving the strength of steel is one of the main purposes of adding alloying elements.
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