... of high-quality carbon structural steel under the standard EN 10083-2. Henan bebon international is C40 steel supplier, we stock ... (AF60C40), (1C40) 2. EN10083-2 C40 steel application: EN 10083-2 C40 carbon structural steel plate and sheet can be used to ... : normalizing, 860℃; quenching, ,840℃; tempering, 600℃. 6.C40 steel delivery state: normalizing, tempering,annealing.(this should be stated in ...