METHOD OF DIE ROLLING Russian patent published in 2013 - IPC B21B1/46

Abstract RU 2492007 C1

FIELD: process engineering.

SUBSTANCE: invention relates to metallurgy an may be used for making steel section from continuously-cast billets. Proposed method comprises multipass reduction at vertical and horizontal rolls with cogging-down passes. Note here that reduction in the first two-four passes is performed at mismatched angular velocities of rolls that make aforesaid cogging-down pass of 2-8% and drawing factor in the pass making 1.2-1.5.

EFFECT: expanded range of rolled stock.

1 tbl, 1 ex

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RU 2 492 007 C1

Authors

Trajno Aleksandr Ivanovich

Dates

2013-09-10—Published

2012-08-09—Filed