Rolling method of h-shaped steels

B - Operations – Transporting – 21 – B

Patent

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80/22

B21B 13/08 (2006.01) B21B 1/08 (2006.01)

Patent

CA 1333532

H-shaped steel products having substantially a constant web height are efficiently manufactured from workpieces after breakdown rolling by using a particular universal rolling mill comprising a pair of width variable horizontal rolls and a pair of vertical rolls in rough universal rolling and/or finish universal rolling stages without rearrangement of rolls in the same size series having different flange thicknesses.

603720

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