CN101104913A - Quaternary alloy coating material for high corrosion resistance coating steel products and manufacturing method thereof - Google Patents
Quaternary alloy coating material for high corrosion resistance coating steel products and manufacturing method thereof Download PDFInfo
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- CN101104913A CN101104913A CNA2007101439586A CN200710143958A CN101104913A CN 101104913 A CN101104913 A CN 101104913A CN A2007101439586 A CNA2007101439586 A CN A2007101439586A CN 200710143958 A CN200710143958 A CN 200710143958A CN 101104913 A CN101104913 A CN 101104913A
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Abstract
The invention relates to a four-component alloy plating material for coated steel products with high corrosion resistance and the manufacturing method thereof. The four-component alloy plating material contains Zn, Sn, Bi and a rare earth element. The plating material further contains a trace element as additive, wherein the trace element as additive is selected from Fe, Pb, Mn, Ca, Cu, Sb, Al, Ni or a combination thereof; and the total amount of the trace element is below 0.5 percent. The manufacturing method is also disclosed, which comprises compounding the components at the given ratio, smelting in a smelting furnace at a smelting temperature of 650-750 DEG C, stirring in a non-contact manner, refining, slagging off, and casting to obtain an alloy ingot. The inventive coated steel product has high corrosion resistance, excellent fatigue resistance and strong ability of binding with matrix metals; and is widely used in the industries of household electronic appliances, construction materials and automobiles.
Description
Technical field
The present invention relates to a kind of quad alloy coating material and manufacture method thereof, especially a kind of quad alloy coating material and manufacture method thereof of high anti-corrosion plated steel material.
Background technology
On current domestic and international market, because increasing to pot galvanize or hot-dip galvanized alloy steel plate demand in the fields such as household electrical appliances, building materials, automobile, but most of producer is still in production with use traditional hot-dip galvanizing sheet steel (band) or only contain the hot-dip galvanizing sheet steel (band) of 0.1～0.2%Al.There are a lot of defectives in this product, work-ing life is short, only 10 years left and right sides time promptly produced the defective of corrosion, and machining property is poor, and coating causes damage easily because of stretching, particularly in that to be higher than under the condition of room temperature etch resistant properties poor, the easy embrittlement of coating and matrix metal junction, easily oxidation generates firecoat, and anti-fatigue performance is poor, after bended several times, be easy to generate be full of cracks, coating decortication phenomenon occurs.
For solving the problems of the technologies described above, prior art proposes a lot of relevant technical schemes, as author Wu Junlin, Yu Zhongxing, in two pieces of articles of " trace additives is to the hot galvanized layer Effect on Performance " that Zhu Yongda delivers on periodical " Shanghai non-ferrous metal " by name and " trace adds the influence of rare earth to the zinc base alloy coating performance ", only mentioning can be with aluminium, nickel, rare earth, lead and antimony, titanium, magnesium, element silicon all is to add the Zn plate to as trace additives, Zn-Al, go among Zn-Fe or the Fe-Al, in the document and the composition of unexposed Zn-Sn-Bi-Re, do not provide any about these trace additives being added to the technology enlightenment of going among the Zn-Sn-Bi-Re yet, and because various elements are not quite similar to the influence that hot-dip galvanizing sheet steel produced, or even opposite effect, therefore can not be simply elementary composition in any interpolation, although recognized that therefore adding some element can play beneficial effect class hour in theory, but because influencing each other between element and the element causes coating material so far still can not comprise various trace elements, described as ending up " the research great majority still rest on laboratory stage both at home and abroad at present; have only the minority alloy to be applied to produce " in " trace additives is to the hot galvanized layer Effect on Performance ", therefore, how to form better coating material is pendent technical problem always.
Summary of the invention
At the unfavorable technical barrier of zinc alloy coating material in the prior art, the object of the invention is to provide a kind of quad alloy coating material, existing high solidity to corrosion can be improved loose, the coarse caducous defective of coating surface again, thereby has prolonged the work-ing life of steel.
A kind of quad alloy coating material of the present invention is made up of Zn, Sn, Bi and rare earth element, described coating material also comprises trace additives, described trace additives is selected from Fe, Pb, Mn, Ca, Cu, Sb, Al, a kind of or several among the Ni, and described trace additives total content is below 0.5%.
The mass percent that each composition of wherein said quad alloy accounts for total mass is Sn:1.0-2%, Bi:0.1-0.9%, and rare earth element: 0.02-0.9%, Zn are surplus.
The concrete content of wherein said each composition of trace additives is: Fe＜0.2%, Pb＜0.1%, Mn＜0.1%, Ca＜0.1%, Cu＜0.1%, Sb＜0.1%, Al＜0.2%, Ni＜0.1%.
A kind of method of making the quad alloy coating material, described quad alloy is made up of Zn, Sn, Bi and rare earth element, described coating material also comprises trace additives, described trace additives is selected from Fe, Pb, Mn, Ca, Cu, Sb, Al, a kind of or several among the Ni, and described trace additives total content is below 0.5%, various elements are carried out adding melting in the smelting furnace after the proportioning according to the above ratio, smelting temperature is 650～750 ℃, again through concise, slagging-off, is cast into alloy pig through contactless stirring at last.
Induction stirring is adopted in wherein said contactless stirring.
A kind of high anti-corrosion plated steel material is characterized in that described high anti-corrosion plated steel material plating quad alloy plating alloy coating material, and described quad alloy is made up of Zn, Sn, Bi and rare earth element, described coating material also comprises trace additives, described trace additives is selected from Fe, Pb, Mn, Ca, Cu, Sb, Al, a kind of or several among the Ni, and described trace additives total content is below 0.5%.
Adopt technical scheme of the present invention, compared with prior art, after adopting quad alloy and adding trace additives, because mass percent by each composition of reasonable configuration, make particularly plated steel material high anti-corrosion raising of alloy, more can be applicable to the coating material of making siliceous high steel, and the alloy layer attenuate, coating surface dross attractive in appearance, bright and clean, no.
Simultaneously, this quad alloy coating material adopts unique prepared, the uniform ingredients segregation-free, remelting or remelting still can keep this effect after placing for a long time, and zinc pot bottom slag growing amount is reduced, and reduced the loss of alloy, higher solidity to corrosion and excellent fatigue resistance energy are arranged, strong with the matrix metal bonding force, can be widely used in household electrical appliances, building materials, automobile industry.
Embodiment
The quad alloy coating material of high anti-corrosion plated steel material of the present invention, described quad alloy is made up of Zn, Sn, Bi and rare earth element, described coating material also comprises trace additives, and described trace additives is selected from Fe, Pb, Mn, Ca, Cu, Sb, Al, a kind of or several among the Ni.Some preferred specific embodiments of composition mass percent among the present invention have been listed in the table, but the content of each composition of the present invention do not limit to table 1 in listed numerical value, to those skilled in the art, can on the basis of the listed numerical range of table 1, rationally summarize and derive fully.
Table: each composition accounts for the quality percentage composition (%) of total mass.
| Sn | Bi | Rare earth element | Trace additives (total amount) Fe, Pb, Mn, Ca, Cu, Sb, Al, Ni | Zn |
| 1.0 | 0.9 | 0.02 | 0.01 | Surplus |
| 1.2 | 0.7 | 0.05 | 0.05 | Surplus |
| 1.4 | 0.5 | 0.15 | 0.2 | Surplus |
| 1.6 | 0.3 | 0.4 | 0.3 | Surplus |
| 1.8 | 0.2 | 0.6 | 0.45 | Surplus |
| 2.0 | 0.1 | 0.9 | 0.49 | Surplus |
As can be seen from the table: the mass percent of the optimum of each composition of quad alloy coating material of the present invention is: Sn:1.0-2%, and Bi:0.1-0.9%, rare earth element: 0.02-0.9%, trace additives total amount＜0.5, Zn is a surplus.
The concrete content of wherein said each composition of trace additives is: Fe＜0.2%, Pb＜0.1%, Mn＜0.1%, Ca＜0.1%, Cu＜0.1%, Sb＜0.1%, Al＜0.2%, Ni＜0.1%.
A kind of method of making the quad alloy coating material, described quad alloy is made up of Zn, Sn, Bi and rare earth element, and described coating material also comprises trace additives, and described trace additives is selected from Fe, Pb, Mn, Ca, Cu, Sb, Al, a kind of or several among the Ni, and described trace additives total content is below 0.5%.Various elements are carried out adding melting in the smelting furnace after the proportioning according to the above ratio, and smelting temperature is 650～750 ℃, again through concise, slagging-off, is cast into alloy pig through contactless stirring at last.
Induction stirring is adopted in wherein said contactless stirring.
Scouring agent uses rare gas element, and the metal air content is checked in concise end, and skimming after qualified is cast into ingot, and ingot casting is of a size of 1400 * 580 * 475mm, or 680 * 90 * 60mm.
Simultaneously, the invention also discloses a kind of high anti-corrosion plated steel material, described high anti-corrosion plated steel material, particularly contain the plating quad alloy coating material of the high steel of Si, described quad alloy is made up of Zn, Sn, Bi and rare earth element, and described coating material also comprises trace additives, described trace additives is selected from Fe, Pb, Mn, Ca, Cu, Sb, Al, a kind of or several among the Ni, and described trace additives total content is below 0.5%.
Adopt technical scheme of the present invention, compared with prior art, after adopting quaternary alloy and adding trace additives, because by reasonably disposing the mass percent of each composition, make particularly plated steel material high corrosion-resistant raising of alloy, more can be applicable to do the coating material of siliceous high steel, and the alloy layer attenuate, coating surface is attractive in appearance, bright and clean, without dross. Simultaneously, this quaternary alloy coating material adopts the Particular craft preparation, the uniform ingredients segregation-free, remelting or remelting still can keep this effect after placing for a long time, and zinc pot bottom slag growing amount is reduced, and reduced the loss of alloy, higher corrosion resistance and excellent fatigue resistance energy are arranged, strong with the parent metal adhesion, can be widely used in household electrical appliances, building materials, automobile industry.
Claims (6)
1. quad alloy coating material, it is characterized in that described quad alloy coating material is made up of Zn, Sn, Bi and rare earth element, described coating material also comprises trace additives, and described trace additives is selected from Fe, Pb, Mn, Ca, Cu, Sb, Al, a kind of or several among the Ni, and described trace additives total content is below 0.5%.
2. the mass percent that quad alloy coating material as claimed in claim 1, each composition of wherein said quad alloy account for total mass is Sn:1.0-2%, Bi:0.1-0.9%, and rare earth element: 0.02-0.9%, Zn are surplus.
3. quad alloy coating material as claimed in claim 1, the concrete content of wherein said each composition of trace additives is: Fe＜0.2%, Pb＜0.1%, Mn＜0.1%, Ca＜0.1%, Cu＜0.1%, Sb＜0.1%, Al＜0.2%, Ni＜0.1%.
4. method of making the quad alloy coating material, described quad alloy is made up of Zn, Sn, Bi and rare earth element, described coating material also comprises trace additives, described trace additives is selected from Fe, Pb, Mn, Ca, Cu, Sb, Al, a kind of or several among the Ni, and described trace additives total content is below 0.5%, various elements are carried out adding melting in the smelting furnace after the proportioning according to the above ratio, smelting temperature is 650～750 ℃, again through concise, slagging-off, is cast into alloy pig through contactless stirring at last.
5. as right 4 described methods, induction stirring is adopted in wherein said contactless stirring.
6. a high anti-corrosion plated steel material is characterized in that described high anti-corrosion plated steel material plating quad alloy coating material, and described quad alloy is made up of Zn, Sn, Bi and rare earth element, described coating material also comprises trace additives, described trace additives is selected from Fe, Pb, Mn, Ca, Cu, Sb, Al, a kind of or several among the Ni, and described trace additives total content is below 0.5%.
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| CNA2007101439586A CN101104913A (en) | 2007-08-16 | 2007-08-16 | Quaternary alloy coating material for high corrosion resistance coating steel products and manufacturing method thereof |
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| CNA2007101439586A CN101104913A (en) | 2007-08-16 | 2007-08-16 | Quaternary alloy coating material for high corrosion resistance coating steel products and manufacturing method thereof |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101818316A (en) * | 2010-05-11 | 2010-09-01 | 昆明理工大学 | Zinc-based multi-element alloy for hot dipping and preparation method thereof |
| CN104451498A (en) * | 2014-11-14 | 2015-03-25 | 宁波东灵水暖空调配件有限公司 | Galvanized sheet and smoke fire damper secondary action actuator applying same |
-
2007
- 2007-08-16 CN CNA2007101439586A patent/CN101104913A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101818316A (en) * | 2010-05-11 | 2010-09-01 | 昆明理工大学 | Zinc-based multi-element alloy for hot dipping and preparation method thereof |
| CN104451498A (en) * | 2014-11-14 | 2015-03-25 | 宁波东灵水暖空调配件有限公司 | Galvanized sheet and smoke fire damper secondary action actuator applying same |
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Application publication date: 20080116 |