FIELD: production of rolled product. SUBSTANCE: channel bar is composed of separate members with rounded joint portions. Channel wall is provided with rib and is made from chromium-silicon-nickel steels. Rounded portions have equal radii R, i.e. 3.0-4.2 of channel bar thickness S. Rib depth is within the range of (1.4-2.4) S. Horizontal space between centers of rounded joint portions of strips and wall and rounded joint portions adjacent to rib base is within the range of (1.2-2.3)R. EFFECT: wider operational capabilities of bent channel bar by increased rigidity of cross- section of channel bar. 1 dwg
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SU1676708A1 |
Authors
Dates
1995-12-10—Published
1994-04-22—Filed