Patent ID: 9347145
Filing Date: 2016-05-24
CPC Classification: C23C,C25D,Y10T

Claim Text:
1. A method of plating a stainless steel, comprising: depositing a first plating metal layer over a stainless steel substrate, wherein the plating metal of the first plating metal layer is formed of a boron-containing nickel alloy; forming an interdiffusion layer in which at least iron and chromium of the stainless steel substrate and nickel and boron of the first plating metal layer interdiffuse, by applying a heat treatment to the stainless steel substrate coated by the first plating metal layer; and depositing a second plating metal layer over the stainless steel substrate having the interdiffusion layer formed therein, wherein the second plating metal layer is formed of phosphorous-containing nickel, wherein the stainless steel is selected from the group consisting of ferritic stainless steel, austenitic stainless steel and martensitic stainless steel, and wherein the stainless steel substrate is heated at 300° C. or lower after deposition of the second plating metal layer.