JPS5489961A - Cold rolled composite steel sheet for use of working - Google Patents
Cold rolled composite steel sheet for use of workingInfo
- Publication number
- JPS5489961A JPS5489961A JP15721577A JP15721577A JPS5489961A JP S5489961 A JPS5489961 A JP S5489961A JP 15721577 A JP15721577 A JP 15721577A JP 15721577 A JP15721577 A JP 15721577A JP S5489961 A JPS5489961 A JP S5489961A
- Authority
- JP
- Japan
- Prior art keywords
- steel
- stainless steel
- ferrit
- slab
- mold
- 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
- Pressure Welding/Diffusion-Bonding (AREA)
Abstract
PURPOSE: To secure the antirust property and to hold good workability, by pouring the molten metal of the ferrit stainless steel of suitable composition into the mold provided with the slab of the plain steel, and by limiting the thickness of the stainless steel coated layer formed on this steel slab.
CONSTITUTION: For example, a low carbon steel slab of 0.05% C with thckness (t) is previously installed in the mold; the molten steel at 1480°C, being constituted equivalently to AISI430 containing under 0.1% C and 11W20% Cr, is poured into this mold within the Ar atmoshere; the molten steel solidifies producing a composite steel ingot. This composite ingot is hot rolled according to the conventioanl process; hereby, directly or after being once annealed before cold rolling and annealing, the ferrit stainless steel coated layer is formed with the thickness above 30μ and under 1/3 of the total sheet gauge. Thus manufactured composite steel sheet has excellently improved ridging property without damaging the antirust property and the ductility as comparaed with the conventional ferrit stainless steel sheet, and also, the reduction of cost and the saving of resources can be accomplished.
COPYRIGHT: (C)1979,JPO&Japio
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP15721577A JPS5489961A (en) | 1977-12-28 | 1977-12-28 | Cold rolled composite steel sheet for use of working |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP15721577A JPS5489961A (en) | 1977-12-28 | 1977-12-28 | Cold rolled composite steel sheet for use of working |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS5489961A true JPS5489961A (en) | 1979-07-17 |
Family
ID=15644723
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP15721577A Pending JPS5489961A (en) | 1977-12-28 | 1977-12-28 | Cold rolled composite steel sheet for use of working |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS5489961A (en) |
-
1977
- 1977-12-28 JP JP15721577A patent/JPS5489961A/en active Pending
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