C - Chemistry – Metallurgy – 23 – C
Patent
C - Chemistry, Metallurgy
23
C
C23C 2/06 (2006.01) C21D 8/02 (2006.01) C21D 9/46 (2006.01) C22C 38/18 (2006.01) C23C 2/14 (2006.01) C23C 18/54 (2006.01)
Patent
CA 2361137
The high tension steel sheet includes 0.1 wt% or more of silicon and has a zinc-plating layer thereon. When sputtering analysis is performed in the depth direction from the surface of the high tension steel sheet after the zinc-comprising-plating layer is removed by dissolution, a surface-concentrated Si index X defined by the formula, X = (the maximum intensity A of Si on the surface of the high tension steel sheet/the average intensity B of Si in the steel) x the content of Si in the steel sheet on a wt% basis, is 12 or less.
Kato Chiaki
Kyono Kazuaki
Nakajima Seiji
Kawasaki Steel Corporation
Moffat & Co.
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