JPS55138027A - Manufacture of cold-rolled steel sheet for shadow mask - Google Patents
Manufacture of cold-rolled steel sheet for shadow maskInfo
- Publication number
- JPS55138027A JPS55138027A JP4363679A JP4363679A JPS55138027A JP S55138027 A JPS55138027 A JP S55138027A JP 4363679 A JP4363679 A JP 4363679A JP 4363679 A JP4363679 A JP 4363679A JP S55138027 A JPS55138027 A JP S55138027A
- Authority
- JP
- Japan
- Prior art keywords
- steel sheet
- less
- cold
- hot
- improved
- 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
Classifications
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
- C21D8/00—Modifying the physical properties by deformation combined with, or followed by, heat treatment
- C21D8/02—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- Mechanical Engineering (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Heat Treatment Of Steel (AREA)
- Heat Treatment Of Sheet Steel (AREA)
Abstract
PURPOSE:To provide a steel sheet improved in photoetching and press-shaping properties, by hot-rolling a slab of prescribed composition of C, Mn, etc., under prescribed conditions, coiling the hot-rolled material and then effecting pickling, cold rolling, box-annealing, cold rerolling etc. CONSTITUTION:A slab, which comprises 0.03-0.1% of C, 0.1-0.6% of Mn, 0.025% or less of S, 0.01-0.05% of dissolved Al, 100ppm or less of N, 0.002- 0.01% of B not less than the equivalent of the N and the rest of iron and impurities, is hot-rolled at a finish temperature of 820 deg.C and coiled at 480-640 deg.C. Cold rolling is effected with a draft percentage of 40% or more after pickling. Box annealing is performed at the steel plate temperature of 600-700 deg.C. Cold rolling is effected again with a draft percentage of 40% or more. The photoetching property of a resulting steel sheet is improved because low-carbon-content aluminum-killed steel whose nonmetallic inclusion is much less than that of conventional low-carbon- content rimmed steel is used. The press-shaping property of the steel sheet is improved because B is added.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4363679A JPS55138027A (en) | 1979-04-12 | 1979-04-12 | Manufacture of cold-rolled steel sheet for shadow mask |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4363679A JPS55138027A (en) | 1979-04-12 | 1979-04-12 | Manufacture of cold-rolled steel sheet for shadow mask |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS55138027A true JPS55138027A (en) | 1980-10-28 |
Family
ID=12669345
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP4363679A Pending JPS55138027A (en) | 1979-04-12 | 1979-04-12 | Manufacture of cold-rolled steel sheet for shadow mask |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS55138027A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH02282423A (en) * | 1989-04-20 | 1990-11-20 | Sumitomo Metal Ind Ltd | Production of cold-rolled steel sheet excellent in magnetic characteristic and formability |
| WO2001077399A1 (en) * | 2000-04-05 | 2001-10-18 | Toyo Kohan Co., Ltd. | Raw material for shadow mask, method for production thereof, shadow mask and picture tube |
| WO2002042509A1 (en) * | 2000-11-21 | 2002-05-30 | Toyo Kohan Co., Ltd. | Material for shadow mask, method for production thereof, shadow mask comprising the material and picture tube using the shadow mask |
| CN109414751A (en) * | 2016-06-24 | 2019-03-01 | 蒂森克虏伯钢铁欧洲股份公司 | Wheel and application |
-
1979
- 1979-04-12 JP JP4363679A patent/JPS55138027A/en active Pending
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH02282423A (en) * | 1989-04-20 | 1990-11-20 | Sumitomo Metal Ind Ltd | Production of cold-rolled steel sheet excellent in magnetic characteristic and formability |
| WO2001077399A1 (en) * | 2000-04-05 | 2001-10-18 | Toyo Kohan Co., Ltd. | Raw material for shadow mask, method for production thereof, shadow mask and picture tube |
| WO2002042509A1 (en) * | 2000-11-21 | 2002-05-30 | Toyo Kohan Co., Ltd. | Material for shadow mask, method for production thereof, shadow mask comprising the material and picture tube using the shadow mask |
| US7026751B2 (en) | 2000-11-21 | 2006-04-11 | Toyo Kohan Co., Ltd. | Material for shadow mask, method for production thereof, shadow mask comprising the material and picture tube using the shadow mask |
| CN109414751A (en) * | 2016-06-24 | 2019-03-01 | 蒂森克虏伯钢铁欧洲股份公司 | Wheel and application |
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