JPS5653805A - Shearing and bundling method for steel bar - Google Patents
Shearing and bundling method for steel barInfo
- Publication number
- JPS5653805A JPS5653805A JP13067479A JP13067479A JPS5653805A JP S5653805 A JPS5653805 A JP S5653805A JP 13067479 A JP13067479 A JP 13067479A JP 13067479 A JP13067479 A JP 13067479A JP S5653805 A JPS5653805 A JP S5653805A
- Authority
- JP
- Japan
- Prior art keywords
- steel bar
- shearing
- done
- work
- bundling
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Landscapes
- Metal Rolling (AREA)
- Heat Treatment Of Articles (AREA)
Abstract
PURPOSE: To dissolve the generation of the end face damage due to the shearing work, the aging cracks after the shearing work, the bend during the bundle cooling process, etc., by specifying the temperature condition at shearing and bundling the hot rolled steel bar.
CONSTITUTION: The hot rooled steel bar is sheared at 400°C or higher temperatures. The reason of specifying this temperature condition is as follows; if the shearing work is done at 300°C or lower and 400°C or higher temperatures, the end face damage is not caused; however, if the shearing work is done at 300°C or lower temperatures, the aging cracks are caused. Next, this sheared steel bar is bundled at 400W500°C. If the bundling work is done at this temperature range, the generation of the bend in the steel bar during the bundle cooling period is disolved, so that the steel bar is manufactured at good shape.
COPYRIGHT: (C)1981,JPO&Japio
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP13067479A JPS5653805A (en) | 1979-10-08 | 1979-10-08 | Shearing and bundling method for steel bar |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP13067479A JPS5653805A (en) | 1979-10-08 | 1979-10-08 | Shearing and bundling method for steel bar |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS5653805A true JPS5653805A (en) | 1981-05-13 |
Family
ID=15039894
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP13067479A Pending JPS5653805A (en) | 1979-10-08 | 1979-10-08 | Shearing and bundling method for steel bar |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS5653805A (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2010215959A (en) * | 2009-03-16 | 2010-09-30 | Daiwa Steel Corp | Method for lowering concentration of residual hydrogen in steel bar, and pallet for storing steel bar therein |
-
1979
- 1979-10-08 JP JP13067479A patent/JPS5653805A/en active Pending
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2010215959A (en) * | 2009-03-16 | 2010-09-30 | Daiwa Steel Corp | Method for lowering concentration of residual hydrogen in steel bar, and pallet for storing steel bar therein |
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