Carbon equivalent (CEV)

A single number combining C, Mn, Cr, Mo, V, Ni and Cu by the IIW formula CEV = C + Mn/6 + (Cr+Mo+V)/5 + (Ni+Cu)/15, used to judge weldability: the higher the CEV, the more preheat and procedure control a weld needs.

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Annealing · Austenite · Bainite · Carburizing · Case hardening · Charpy impact test · Cold drawn · Decarburization · Elongation (A) · ESR (electroslag remelting) · Ferrite · Grain size