Title:
CHANNEL STEEL WITH PARALLEL FLANGE HAVING CONSTANT OUTWARD DIMENSION AND ITS MANUFACTURING METHOD
Document Type and Number:
Japanese Patent JP3695289
Kind Code:
B2
Abstract:
PROBLEM TO BE SOLVED: To provide high quality channel steel with paralleled flanges having a constant outside dimension, in which the channel steel does not cause any troubles in a manufacturing process of a square steel pipe pillar containing a built-in diaphragm.
SOLUTION: The square steel pipe pillar containing a built-in diaphragm, which satisfies the following equations, &verbar inward width of web-(nominal web height-nominal flange width×2)&verbar ≤+2 mm, or &verbar flange perpendicularity deviation&verbar ≤+2 mm, is manufactured by using only the channel steel with paralleled flanges having the constant outside dimension.
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Inventors:
Yutaka Kano
Application Number:
JP2000164865A
Publication Date:
September 14, 2005
Filing Date:
June 01, 2000
Export Citation:
Assignee:
SUMITOMO METAL INDUSTRIES,LTD.
International Classes:
E04C3/04; B21B1/08; B21B1/095; E04C3/32; (IPC1-7): B21B1/08; E04C3/04; E04C3/32
Domestic Patent References:
| JP11028502A | ||||
| JP9141302A | ||||
| JP4033703A | ||||
| JP4081201A | ||||
| JP4094804A |
Attorney, Agent or Firm:
Shoichi Hirose