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 CAR

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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
Application number
Other languages
Spanish (es)
Inventor
Hiroyuki Masuoka
Satoru Ando
Shunsuke Yamamoto
Original Assignee
Jfe Steel Corp
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Jfe Steel Corp filed Critical Jfe Steel Corp
Priority to ARP110104344 priority Critical patent/AR083952A1/en
Publication of AR083952A1 publication Critical patent/AR083952A1/en

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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.

ARP110104344 2011-11-22 2011-11-22 METHOD FOR PRODUCING A COLD STEELED SHEET, COLDED STEELED SHEET AND MEMBERS FOR A CAR AR083952A1 (en)

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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