FIELD: metallurgy.
SUBSTANCE: invention relates to the multilayer metal substrate with a coating comprising the metal substrate; deposited onto the said metal substrate the first curable film-forming composition; and the second curable film-forming composition applied above, of at least part of the first curable film-forming composition. First and second cured film-forming compositions independently comprise: curable organic film-forming binder component and containing lithium silicate, magnesium oxide and/or azole the corrosion inhibiting component.
EFFECT: lithium compound (lithium silicate and/or lithium salt), magnesium oxide and/or an azole containing corrosion inhibitor introduction into the curable film-forming compositions enables the multilayer composite coatings increased corrosion resistance.
4 cl, 21 tbl
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