Chemical composition characteristics of carburized carbon steel
1) The carbon content of carburized carbon steel is generally in the range of 0.15-- 0.25%, for heavy load carburized body, can be increased to 0.25-- 0.30%, in order to make the heart after quenching and low temperature tempering still has enough plasticity and toughness. But the carbon content must not be too low, otherwise there is no guarantee of a certain strength.
2) The role of alloying elements in carburizing carbon steel is to improve hardenability, refine grain, strengthen solid solution, and affect the carbon content, thickness and structure of the carburizing layer. The alloying elements commonly added in carburized carbon steel are manganese, chromium, nickel, molybdenum, tungsten, vanadium, boron and so on.
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