Carbon Equivalent (CE) Determines the combined effects of various alloying elements on the hardenability of particular steel CE = % C + %Mn + %Ni + %Cr + %Cu + %Mo 6 15 5 13 4
• Not all CE formulas are the same • Watch for changes in “+” and “-”
• Why do we need carbon equivalents? • No need to memorize the formula it will be given on the test
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