Method for producing H-shaped steel
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Jul 14, 2020
Grant Date -
Mar 21, 2019
app pub date -
Mar 10, 2016
filing date -
Mar 19, 2015
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
The present invention relates to a method for producing H-shaped steel using a slab or the like having a rectangular cross-section as a material, for example. Provided is a method for producing H-shaped steel, the method including: a rough rolling step; an intermediate rolling step; and a finish rolling step. A slab material whose ratio of slab width to slab thickness is equal to or more than 6.0 and equal to or less than 7.7 is used as a material to be rolled. In a rolling mill a plurality of calibers having projections may be provided to shape the material to be rolled. The projections may have a height of 100 mm or more, and the tip of the projections may have an angle of equal to or more than 25° and equal to or less than 40°.
First Claim
Family
International Classification(s)
Cited Art Landscape
Patent Citation Ranking
Recipient Email Address
Recipient Email Address
Comment
Recipient Email Address
Add to Portfolio(s)
To add this patent to one, or more, of your portfolios, simply click the add button.
This Patent is in these Portfolios:
Add to additional portfolios:
Last Refreshed On:
Changes done successfully