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Use the values in the IIW formula for carbon equivalent: CE = C + Mn/6 + (Cu + Ni)/15 + (Cr + Mo + V)/5 = 0.20 + 0.90/6 + 0 = 0.35. Visit our carbon equivalent calculator to calculate the CE value using other formulae.
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Carbon equivalent formulae were originally developed to give a numerical value for a steel composition which would give an indication of a carbon content which would contribute to an equivalent level of hardenability for that steel.
There are numerous formulas for describing the carbon equivalent, in which the individual alloying elements are weighted differently. The carbon equivalent can thus be generally understood as a measure of a material's tendency to cold cracking depending on its chemical composition.
26 paź 2020 · Carbon equivalent is the key to predicting steel behavior. The equivalent carbon content concept is used on ferrous materials, typically steel and cast iron, to determine various properties of the alloy when more than just carbon is used as alloying elements.
Several different methods of calculating the carbon equivalent exist. The most commonly used are listed below (all values in wt%): The two formulae specified in EN 1011-2: CE = C + 1 ⁄ 6 Mn + 1 ⁄ 5 (Cr + Mo + V) + 1 ⁄ 15 (Ni + Cu) CET = C + 1 ⁄ 10 (Mn + Mo) + 1 ⁄ 20 (Cr + Cu) + 1 ⁄ 40 Ni.
The carbon equivalent is a measure of the tendency of a material to form cold cracks depending on its chemical composition. Further explanations of the individual carbon equivalents (CET, CE, PCM, CEM, CEN) can be found here.
The carbon equivalent formula has been updated to span a larger range of alloying elements (Bobadilla team); see the Ceq formulae (∗) below. The available thermodynamic databases were critically analysed to select the most coherent database to determine the coefficient.
