FIELD: metallurgy.
SUBSTANCE: coating consists of at least one layer on the basis of zinc, which contains 0.1-20 wt % of magnesium, coated with a temporary thin protective layer with thickness of 5-100 nm. The temporary protective layer does not alloy the zinc-based layer and consists of metal or oxide of metal chosen from a group consisting of aluminium, chrome, aluminium oxides AlOx, where x is strictly within 0.01-1.5, and chrome oxides CrOy, where y is strictly within 0.01-1.5.
EFFECT: coated plate has high stability to point and surface corrosion and high ability for phosphatisation.
14 cl, 2 tbl
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RU2581943C2 |
STEEL FLAT SECTION AND PROCEDURE FOR PRODUCTION OF STEEL SHEET | 2007 |
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RU2429084C2 |
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RU2729669C1 |
METHOD OF METAL SHEET PROCESSING TO REDUCE ITS BROWNING OR TARNISHING DURING STORAGE AND METAL SHEET PROCESSED BY THIS METHOD | 2014 |
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RU2640113C2 |
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RU2764252C2 |
Authors
Dates
2014-12-10—Published
2010-12-17—Filed