AR083952A1 - METHOD FOR PRODUCING A COLD STEELED SHEET, COLDED STEELED SHEET AND MEMBERS FOR A CAR - Google Patents
METHOD FOR PRODUCING A COLD STEELED SHEET, COLDED STEELED SHEET AND MEMBERS FOR A CARInfo
- Publication number
- AR083952A1 AR083952A1 ARP110104344A AR083952A1 AR 083952 A1 AR083952 A1 AR 083952A1 AR P110104344 A ARP110104344 A AR P110104344A AR 083952 A1 AR083952 A1 AR 083952A1
- Authority
- AR
- Argentina
- Prior art keywords
- steel sheet
- steeled
- sheet
- cold
- car
- Prior art date
Links
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- Heat Treatment Of Sheet Steel (AREA)
- Cleaning And De-Greasing Of Metallic Materials By Chemical Methods (AREA)
Abstract
La presente provee un método para producir una hoja de acero arrollada en frío que es excelente no solamente en la tratabilidad con fosfato sino también en la resistencia a la corrosión después del recubrimiento en un medioambiente de corrosión severa tal como el ensayo de inmersión de agua salada caliente o el ensayo de corrosión de ciclo de compuesto, en donde una hoja de acero recocida continuamente después del arrollamiento en frío que preferentemente comprende el 0,5 - 3,0% en masa de Si, se decapa para eliminar una capa de óxido que contiene Si sobre una capa de la superficie de la hoja de acero y además se decapa nuevamente de manera tal que la relación de recubrimiento de la superficie de un óxido basado en hierro sobre la superficie de la hoja de acero sea no más del 40% y preferentemente y preferentemente el espesor máximo del óxido basado en hierro es no más de 150 nm, así como una hoja de acero arrollada en frío producida mediante este método y un miembro para un automóvil que usa la hoja de acero arrollada en frío.This provides a method for producing a cold rolled steel sheet that is excellent not only in phosphate treatability but also in corrosion resistance after coating in a severe corrosion environment such as the salt water immersion test. hot or the compound cycle corrosion test, wherein a steel sheet continuously annealed after cold winding preferably comprising 0.5-3.0% by mass of Si, is stripped to remove an oxide layer that It contains Si on a layer of the surface of the steel sheet and it is also stripped again so that the surface coating ratio of an iron-based oxide on the surface of the steel sheet is not more than 40% and preferably and preferably the maximum thickness of the iron-based oxide is no more than 150 nm, as well as a cold rolled steel sheet produced by this method and a member ro for a car that uses cold rolled steel sheet.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
ARP110104344 AR083952A1 (en) | 2011-11-22 | 2011-11-22 | METHOD FOR PRODUCING A COLD STEELED SHEET, COLDED STEELED SHEET AND MEMBERS FOR A CAR |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
ARP110104344 AR083952A1 (en) | 2011-11-22 | 2011-11-22 | METHOD FOR PRODUCING A COLD STEELED SHEET, COLDED STEELED SHEET AND MEMBERS FOR A CAR |
Publications (1)
Publication Number | Publication Date |
---|---|
AR083952A1 true AR083952A1 (en) | 2013-04-10 |
Family
ID=48485560
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
ARP110104344 AR083952A1 (en) | 2011-11-22 | 2011-11-22 | METHOD FOR PRODUCING A COLD STEELED SHEET, COLDED STEELED SHEET AND MEMBERS FOR A CAR |
Country Status (1)
Country | Link |
---|---|
AR (1) | AR083952A1 (en) |
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2011
- 2011-11-22 AR ARP110104344 patent/AR083952A1/en active IP Right Grant
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Legal Events
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