Surface treatment of high-nickel/iron alloy steel plate for LNG

Details Surface treatment of high-nickel/iron alloy steel plate for LNG Surface treatment of high-nickel/iron alloy steel plate for LNG

1986-03-27

1987-09-29

Niebling, John F.

Chemistry: electrical and wave energy

Processes and products

148 62, 204 381, 427405, 427438, C23C 2224, C23C 2800

Patent

active

046967249

ABSTRACT:
High nickel/iron alloy steel plate for LNG or LPG tanks having 35-37% nickel content is plated with nickel in an amount of 1 to 10 g/m.sup.2, and then chromated, except electro-chromating treatment, to obtain thereon a chromate film having a chromium content of 5 to 100 mg/m.sup.2.

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