A universal method of rolling rails and a mill train for the same comprises an edging rolling mill set anterior to or/and posterior to a universal rolling mill. The edging rolling mill consists of a first rail edging roll pass and a second edging roll pass containing a set of the pass designs so different as to have the radii to meet respective corners of the head and of the foot of the so-rolled rail made larger than those of the pass designs of the first edging roll pass. The second edging roll pass is operated in combination with the universal rolling mill so as to conduct rolling following the rolling operation of the universal rolling mill and the first edging roll pass.
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