Method for producing surface-treated metal material and...

Details Method for producing surface-treated metal material and... Method for producing surface-treated metal material and...

C - Chemistry, Metallurgy

23

C

C23C 22/06 (2006.01) C23C 22/34 (2006.01) C25D 9/08 (2006.01) C25D 13/20 (2006.01)

Patent

CA 2700400

A method of producing a surface-treated metal material, comprising: surface treating a metal material using a treatment liquid (1), which comprises from 10 to 10,000 ppm of tin ions and has a pH of 1.0 or greater, and subjecting the metal material that has undergone surface treatment with the treatment liquid (1) to an additional chemical conversion treatment using a treatment liquid (2), which comprises zirconium ions and/or titanium ions.

L'invention porte sur un procédé pour produire un matériau métallique traité en surface, qui comprend une étape consistant à traiter la surface d'un matériau métallique avec un liquide de traitement (1) contenant de 10 à 10.000 ppm d'ions étain et ayant un pH qui n'est pas inférieur à 1,0 et une étape consistant à soumettre le matériau métallique traité en surface avec le liquide de traitement (1) à une conversion chimique par un liquide de traitement (2) contenant des ions zirconium et/ou des ions titane.

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