Abstract: The present invention relates to a Zinc alloy yielding anti-corrosive coatings on ferrous materials; characterized as consisting of zinc plus its usual impurities and possibly aluminum and/or lead as well as alloying metals consisting of between x and y% by weight of nickel together with between v and w% by weight of at least one of the metal: vanadium and chrome wherein: x is equal to or higher than 0.001% by weight, preferably higher than 0.04% by weight, y is lower than or equal to 0.6% by weight, preferably lower than 0.2% by weight, v is equal to or higher than 0.001% by weight, preferably higher than 0.03% by weight, w is lower than or equal to 0.6% by weight, preferably lower than 0.04% by weight.