Tin-plated steel sheet
1. Field of the Invention The tin-plated steel sheet includes a base steel sheet; a tin plating layer coating approximately more than 97.0% of the base steel sheet; and a chemical conversion coating having approximately 0.5 to 100 mg/mphosphorus and approximately 0.1 to 250 mg/msilicon formed on the...
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Format: | Patent |
Sprache: | eng |
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Zusammenfassung: | 1. Field of the Invention
The tin-plated steel sheet includes a base steel sheet; a tin plating layer coating approximately more than 97.0% of the base steel sheet; and a chemical conversion coating having approximately 0.5 to 100 mg/mphosphorus and approximately 0.1 to 250 mg/msilicon formed on the tin plating layer and an unplated region corresponding to approximately less than 3.0%. The tin-plated steel sheet does not contain chromium which is harmful to the environment but has superior overcoat adhesion property, discoloration resistance, and rust resistance. |
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