The invention relates to a system and a method for hot-dip galvanizing compounds, preferably for mass-production hot-dip galvanizing a plurality of identical or similar components, preferably for batch galvaniztion.

The present invention relates to a method and an apparatus for treating already galvanized steel parts having a zinc coating, in particular for remanufacturing used galvanized steel parts. The method comprises the following steps: A) checking the galvanized steel part for suitability with a view to remanufacturing; B) preparing the galvanized steel part mechanically and/or chemically; and C) rejuvenating the zinc coating of the steel part.

A method for coating a web with a metal layer includes heating a metal in a container to create molten metal. The metal is selected from a group consisting of lithium (Li), sodium (Na), potassium (K), indium (In), tin (Sn), cadmium (Cd), zinc (Zn), and lead (Pb). The method includes coating at least one surface of a web with a metal layer using the molten metal. The web is made of a material selected from a group consisting of copper (Cu), nickel (Ni), titanium (Ti), stainless steel, polymer, and carbon.

A steel-sheet non-plating defect prediction method in manufacturing equipment of a hot-dip galvanized steel sheet which equipment includes an annealing furnace, and a plating device arranged on a downstream side of the annealing furnace, the method includes: predicting steel-sheet non-plating defect information on an exit side of the manufacturing equipment by using a non-plating defect prediction model which is learned by machine learning, the non-plating defect prediction model for which an input data is data including one or two or more parameters selected from attribute information of a steel sheet charged into the manufacturing equipment, one or two or more operational parameters selected from operational parameters of the annealing furnace, and one or two or more operational parameters selected from operational parameters of the plating device, and an output data is non-plating defect information of the steel sheet on the exit side of the manufacturing equipment.

An installation for adjusting the thickness of a hot liquid coating on a traveling strip, and for cooling said coating, installation successively comprising, from the bottom upwards, a wiping device comprising gas knives for wiping excess liquid from the coated strip at the outlet of a liquid bath and at least one gas cooling header with gas blowers for solidifying said coating, wherein a water cooling header is intercalated on the strip path between the wiping device and the gas cooling header, said water cooling header comprising at least one nozzle, one gas cooling header and one water cooling header being located on either side of the traveling strip, the water cooling header being configured to produce airless spraying of demineralized water onto the coated strip, so as to selectively increase the viscosity of an external surface or skin of the liquid coating, and not the entire bulk thickness thereof.

The hot-dip plated steel material includes a steel material and a hot-dip plated layer disposed on a surface of the steel material, the hot-dip plated layer has a certain chemical composition, and the hot-dip plated layer has a diffraction intensity obtained from a result of X-ray diffraction measurement, the diffraction intensity satisfying a certain relationship.

A gas wiping nozzle manufactured from parts divided along the slit length direction and maintains a gap in the width direction over the length direction in high temperature atmospheres and a method for manufacturing a hot-dip metal strip. In a gas wiping nozzle, a first and a second nozzle member are each divided along the length direction X of a slit into a plurality of nozzle members. The dimension of a divided face of the first nozzle member is 1.5T1 or more in a section of the first nozzle member where T1 is the thickness of the first nozzle member in the width direction Z of the slit, and the dimension of a divided face of the second nozzle member is 1.5T2 or more in a section of the second nozzle member where T2 is the thickness of the second nozzle member in the width direction Z of the slit.

The present invention relates to a method for generating (producing) blaze resistance and/or fire resistance on steel components and/or for providing (equipping) steel components with blaze resistance and/or fire resistance, especially a method for generating (producing) blaze-resistant and/or fire-resistant steel components.

The invention relates to a method for high-temperature galvanization of ferrous material parts (10). The method comprises the production of zinc melt (12). The method further comprises saturating the iron concentration of the zinc melt (12) so that it is iron-saturated. In addition, the method comprises producing an undersaturation of the iron concentration of the zinc melt (12) so that it is iron-undersaturated. The method further comprises dipping the ferrous material parts (10) in iron-undersaturated zinc melt (12), whereby a galvanization layer (14) is formed on the ferrous material parts (10).

The hot-dip plated steel material includes a steel material and a hot-dip plated layer disposed on a surface of the steel material, the hot-dip plated layer has a certain chemical composition, and the hot-dip plated layer has a diffraction intensity obtained from a result of X-ray diffraction measurement, the diffraction intensity satisfying a certain relationship.