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ANSWER: S650MC steel is the hot rolled flat steel products made of high yield strength steel for cold forming use. S650MC pickled steel is under the European standard EN10149-2. “MC” in this grade means thermomechanically rolled delivery condition. EN10149-2 S650MC is alloy special quality steels according to EN 10020. The material No. Of S650MC is 1.8976. Minimum yield strength of S650MC is 650MPa, tensile strength should be 700-880MPa. Minimum percentage elongation at fracture A% is 10%. Bending at 180°Minimum mandrel diameter is 2t.