This drawing mills and yarn obtained by this method of drawing mills

摘要

The steel wire has a carbon content by weight c, such as 0,05% ≦ c ≦ 0,4% and a content by weight of chromium (cr, such as cr 12 %. The process of drawing of the wire comprises: - at least a first series of steps (uninterrupted 4001 - 400m) of the wire of diameter d to a diameter d ′ - at least a second series of steps (uninterrupted 7001 - 700m) of the wire of diameter d 'to a diameter d - one or more intermediate steps between the first and second series of steps (uninterrupted 4001 - 400m, 7001 - 700m) of the wire, the wire having a temperature lower than or equal to 300°C. during the or each intermediate step.