JPS55100932A - Production of high tensile cold rolled steel plate - Google Patents
Production of high tensile cold rolled steel plateInfo
- Publication number
- JPS55100932A JPS55100932A JP668079A JP668079A JPS55100932A JP S55100932 A JPS55100932 A JP S55100932A JP 668079 A JP668079 A JP 668079A JP 668079 A JP668079 A JP 668079A JP S55100932 A JPS55100932 A JP S55100932A
- Authority
- JP
- Japan
- Prior art keywords
- steel plate
- rolled steel
- cooling rate
- cold
- cooled
- 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.)
- Granted
Links
Landscapes
- Heat Treatment Of Sheet Steel (AREA)
Abstract
PURPOSE:To provide the title steel plate excellent in coating, baking, and curing properties by a method wherein cold-rolled steel plate consisting of specific composition such as C, Mn, Cr, etc. is continuously annealed in temperature range of points A1-A3, is cooled at a cooling rate of specific pattern to provide a good shaping workability. CONSTITUTION:To produce a title steel plate for use as material for automobilie body panel, etc., a cold rolled steel is made to contain C: 0.02-0.2%, Mn: 0.8- 2.5%, Cr: 0.2-1.5%, and acid soluble Al: 0.05% or less (specific amount of one or more of elements such as Si, P, Nb, Mo, V, etc. as needed). Such cold-rolled steel plate is continuously annealed at a proper temperature in the range of A1-A3 modification point, is cooled to 300-350 deg.C at a cooling rate of about 1-30 deg.C/s, then is rapidly cooled from that temperature to room temperature at cooling rate higher than 100 deg.C/s. This heat treatment, which is easier than conventional method, provides a good shaping work property and excellent baking-curing property, ensuring enough strength as vehicle body panel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP668079A JPS55100932A (en) | 1979-01-23 | 1979-01-23 | Production of high tensile cold rolled steel plate |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP668079A JPS55100932A (en) | 1979-01-23 | 1979-01-23 | Production of high tensile cold rolled steel plate |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS55100932A true JPS55100932A (en) | 1980-08-01 |
| JPS6151011B2 JPS6151011B2 (en) | 1986-11-07 |
Family
ID=11645071
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP668079A Granted JPS55100932A (en) | 1979-01-23 | 1979-01-23 | Production of high tensile cold rolled steel plate |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS55100932A (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0615507U (en) * | 1992-08-10 | 1994-03-01 | モリト株式会社 | Anti-slip wear for shoes |
-
1979
- 1979-01-23 JP JP668079A patent/JPS55100932A/en active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS6151011B2 (en) | 1986-11-07 |
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