Binary alloy coating material for high corrosion resistance coating steel products and manufacturing method thereof
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A binary alloy and plating technology, which is applied in metal material coating technology, chemical instruments and methods, hot-dip plating technology, etc., can solve the problems of unsatisfactory performance of binary alloy plating materials and achieve excellent fatigue resistance , Enhanced binding force and less bottom slag generation
Active Publication Date: 2009-10-14
JIANGSU LINLONG NEW MATERIALS CO LTD
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[0004] Aiming at the technical problem of unsatisfactory performance of the binary alloy coating material in the prior art, the purpose of the present invention is to provide a binary alloy coating material with high corrosion resistance for plated steel and its manufacturing method, so as to better improve the The corrosion resistance and high temperature resistance of clad steel can prolong the service life of steel and improve the surface quality of steel
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[0012] The binary alloy coating material of the high corrosion resistance plated steel of the present invention comprises a binary alloy consisting of Si and Al, and the coating material also contains at least one trace addition element selected from the group consisting of One or more of Fe, Ti, B, Pr, Nd, Pb, Cu, Sn, Bi, Ni, Sb. Listed in table 1 some preferred specific embodiments of each composition mass percentage in the present invention, but the content of each composition composition of the present invention is not limited to the numerical value listed in table 1, for those skilled in the art, fully Reasonable generalizations and derivations can be made on the basis of the numerical ranges listed in Table 1.
[0013] Table 1: Mass percentage (%) of each component of the Al-Si alloy in the total mass.
[0014] Si
Al
Trace addition of elements Fe, Ti, B, Pr, Nd, Pb, Cu, Sn, Bi, Ni, Sb
1
margin
Total amount<0.5%
1.5
margin...
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Abstract
The present invention relates to a binary alloy coating material and a manufacturing method thereof, wherein the binary alloy is composed of Al and Si, and the material also contains trace addition elements selected from Fe, Ti, B , one or more of Pr, Nd, Pb, Cu, Sn, Bi, Ni, Sb, and the total content of the trace added elements is below 0.5%, and a manufacturing method is also disclosed, including various After the elements are proportioned according to the above proportions, they are put into a melting furnace for melting, and the melting temperature is 700-850°C. After stirring, refining, slag removal, and finally casting into alloy ingots, the coated steel of the present invention has high corrosion resistance and excellent Excellent anti-fatigue performance, strong bonding with base metal, can be widely used in home appliances, building materials, and automobile industries.
Description
technical field [0001] The invention relates to a binary alloy coating material and a manufacturing method thereof, in particular to a binary alloy coating material of high corrosion resistance coated steel and a manufacturing method thereof. Background technique [0002] In the current domestic and foreign markets, due to the increasing demand for hot-dip galvanized or hot-dip galvanized alloy steel sheets in the fields of household appliances, building materials, and automobiles, most manufacturers are still producing and using traditional hot-dip galvanized steel sheets (with ) or hot-dip galvanized steel sheet (strip) containing only 0.1 to 0.2% Al, the so-called binary alloy hot-dip galvanized steel sheet (strip). There are many defects in this product, the service life is short, and the defect of rust occurs in only about 10 years, and the mechanical processing performance is poor, and the coating is easily damaged due to stretching, especially under the condition of h...
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