CN102839298A - Zinc alloy for hot dipping - Google Patents
Zinc alloy for hot dipping Download PDFInfo
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- CN102839298A CN102839298A CN2012103456572A CN201210345657A CN102839298A CN 102839298 A CN102839298 A CN 102839298A CN 2012103456572 A CN2012103456572 A CN 2012103456572A CN 201210345657 A CN201210345657 A CN 201210345657A CN 102839298 A CN102839298 A CN 102839298A
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Abstract
The invention provides a zinc alloy for hot dipping. The zinc alloy contains the following components by taking the total mass of the zinc alloy as the standard: 0.001-0.2 wt% of Al, 0.001-0.02 wt% of Ti, 0.002-0.1 wt% of Ni, 0.001-0.1 wt% of Mn and residual amount of Zn. The zinc alloy for hot dipping disclosed by the invention is suitable for a hot dipping process of a steel material with various components; and an alloy coating formed by hot dipping has the advantages of uniform thickness, no color difference, no Sandelin effects, no residual zinc list edge, and higher coating quality.
Description
Technical field
The invention belongs to the pot galvanize technical field, be specifically related to a kind of hot dip and use zinc alloy.
Background technology
Along with the develop rapidly of industries such as military project, automobile, boats and ships, household electrical appliances, building, pot galvanize product demand amount is increasing year by year, and the requirement of product quality is improved constantly.The principle of pot galvanize is: steel construction piece is cleaned up, and solvent treatment immerses after the oven dry in the zinc liquid then, and the iron on steel construction piece surface and fused zinc reaction are at steel construction piece surface formation alloy layer.In order to reduce cost, improve solidity to corrosion, surface property and the good mechanical characteristic of pot galvanize product, the hot-dip galvanized alloy technology has demonstrated new development trend.
For example, in the at present domestic and international pot galvanize industry, through adding the alloy layer of trace alloying element, it has favorable surface quality, good etch resistant properties and excellent bonding properties and mechanical property.But along with the improvement of steel production technique improves, the composition of steel is comparatively complicated, and this variation causes traditional pot galvanize some galvanizing quality problems to occur, like the ultra thick phenomenon of coating, in uneven thickness, Sheng Delin effect, aberration etc.In the prior art, the zinc alloy that is used for pot galvanize commonly used mainly contains Zn-Al alloy, Zn-Ni alloy, and it can't be applicable to the steel material surface heat depositing process of complicated ingredient.For example, adopt existing Zn-Al alloy, Zn-Ni alloy to carry out hot dip process to containing high silicon high-manganese steel, the Sheng Delin effect very easily takes place: hot dip process surpasses 3 minutes, and thickness of coating surpasses 200 μ m, and brittle coating, the local poor adhesive force of plating piece; This phenomenon exists in the pot galvanize of bassoon tower spare comparatively at large.
Summary of the invention
The invention solves and exist existing zinc alloy can't be applicable to the technical problem of the steel material surface hot dip of complicated ingredient in the prior art.
The invention provides a kind of hot dip and use zinc alloy, is benchmark with the total mass of zinc alloy, contains the Al of 0.001~0.2wt%, the Ti of 0.001~0.02wt%, the Ni of 0.002~0.1wt%, the Mn of 0.001~0.1wt% in the said zinc alloy, and surplus is Zn.
Zinc alloy provided by the invention is suitably selected the kind and the content of each component in the zinc alloy through the contriver, is specially in zinc is bathed, to add an amount of Al, Ti, Ni, Mn trace element; Make hot dip provided by the invention use zinc alloy,, all can effectively control the too fast growth of zinc-iron alloy layer in the hot dip process to the steel material of various complicated ingredients; Simultaneously can also reduce alloy melting point; The alloy zinc bathroom facilities that forms after making hot dip provided by the invention with the zinc alloy fusion has higher flowability, and the free layer attenuation of coating improves the solidity to corrosion and the mechanical property of alloy layer simultaneously; Make the thickness of alloy layer more even; No color differnece, no unnecessary list edge effectively suppress the Sheng Delin effect, have higher quality of coating.
Embodiment
The invention provides a kind of hot dip and use zinc alloy, is benchmark with the total mass of zinc alloy, contains the Al of 0.001~0.2wt%, the Ti of 0.001~0.02wt%, the Ni of 0.002~0.1wt%, the Mn of 0.001~0.1wt% in the said zinc alloy, and surplus is Zn.
Contriver of the present invention finds through a large amount of experiments, and zinc alloy provided by the invention adds an amount of Al, Ti, Ni, Mn trace element through component kind and content in the zinc alloy suitably being selected, being specially in zinc is bathed; Make hot dip provided by the invention use zinc alloy; To the steel material of various complicated components, all can effectively control the too fast growth of zinc-iron alloy layer in the hot dip process, can also reduce alloy melting point simultaneously; The alloy zinc bathroom facilities that forms after making hot dip provided by the invention with the zinc alloy fusion has higher flowability; The free layer attenuation of coating improves the solidity to corrosion and the mechanical property of alloy layer simultaneously, and the thickness of the alloy layer that forms after the hot dip is more even; No color differnece, no unnecessary list edge, effectively suppress the Sheng Delin effect, have higher quality of coating.
Therefore in the zinc alloy provided by the invention,, the Sheng Delin effect had obvious restraining effect when containing high silicon high-manganese steel and carry out hot dip process through the synergistic effect of Ti, Ni, Mn, Al; Specifically shown in embodiment 1~5, when adopting zinc alloy provided by the invention that high silicon high-manganese steel is carried out hot dip process and surpasses 3 minutes, coating evenly and thickness of coating can be controlled in the 190 μ m, ductility of electrodeposited film is good, the local sticking power of plating piece is good.Solved the problem of bassoon tower spare coating adhesion difference effectively.
As those skilled in the art's common practise, hot dip provided by the invention is with also having unavoidable impurities in the zinc alloy, and this impurity exists with common content, and the present invention does not have particular requirement.
Clearer for technical problem, technical scheme and beneficial effect that the present invention is solved, below in conjunction with embodiment, the present invention is further elaborated.Should be appreciated that specific embodiment described herein is merely preferred implementation of the present invention, and be not used in qualification the present invention.
Embodiment 1
Zinc alloy is used in a kind of hot dip, and its composition is Al:0.001wt%; Ti:0.002wt%; Ni:0.04wt%; Mn:0.001wt%; Surplus be Zn and zinc alloy with unavoidable impurities.
Adopt the hot dip of present embodiment high silicon high-manganese steel to be carried out hot dip process 3 minutes with zinc alloy, the coating of formation evenly and thickness of coating be distributed as 150~190 μ m, the sticking power test is good, the coating light is bright and clean.
Embodiment 2
Zinc alloy is used in a kind of hot dip, and its composition is Al:0.005wt%; Ti:0.005wt%; Ni:0.1wt%; Mn:0.005wt%; Surplus be Zn and zinc alloy with unavoidable impurities.
Adopt the hot dip of present embodiment high silicon high-manganese steel to be carried out hot dip process 3 minutes with zinc alloy, the coating of formation evenly and thickness of coating be distributed as 130~160 μ m, the sticking power test is good, the coating light is bright and clean.
Embodiment 3
Zinc alloy is used in a kind of hot dip, and its composition is Al:0.01wt%; Ti:0.008wt%; Ni:0.08wt%; Mn:0.02wt%; Surplus be Zn and zinc alloy with unavoidable impurities.
Adopt the hot dip of present embodiment high silicon high-manganese steel to be carried out hot dip process 3 minutes with zinc alloy, the coating of formation evenly and thickness of coating be distributed as 110~150 μ m, the sticking power test is good, the coating light is bright and clean.
Embodiment 4
Zinc alloy is used in a kind of hot dip, and its composition is Al:0.1wt%; Ti:0.01wt%; Ni:0.02wt%; Mn:0.05wt%; Surplus be Zn and zinc alloy with unavoidable impurities.
Adopt the hot dip of present embodiment high silicon high-manganese steel to be carried out hot dip process 3 minutes with zinc alloy, the coating of formation evenly and thickness of coating be distributed as 100~150 μ m, the sticking power test is good, the coating light is bright and clean.
Embodiment 5
Zinc alloy is used in a kind of hot dip, and its composition is Al:0.2wt%; Ti:0.02wt%; Ni:0.002wt%; Mn:0.1wt%; Surplus be Zn and zinc alloy with unavoidable impurities.
Adopt the hot dip of present embodiment high silicon high-manganese steel to be carried out hot dip process 3 minutes with zinc alloy, the coating of formation evenly and thickness of coating be distributed as 90~150 μ m, the sticking power test is good, the coating light is bright and clean.
Comparative Examples 1
A kind of zinc alloy, its composition are Ni:0.25wt%, surplus be Zn and zinc alloy with unavoidable impurities.
Adopt the hot dip of this Comparative Examples with zinc alloy high silicon high-manganese steel to be carried out hot dip process 3 minutes, the thickness of coating of formation surpasses 200 μ m, and in uneven thickness, and coating is more crisp, and local sticking power test is relatively poor, the coating surface aberration obviously, list edge arranged.
Above embodiment is merely preferred implementation of the present invention, should be pointed out that to those skilled in the art, and under the prerequisite that does not break away from the principle of the invention, some improvement of having done also should be regarded as protection scope of the present invention.
Claims (6)
1. zinc alloy is used in a hot dip, it is characterized in that, and be benchmark with the total mass of zinc alloy, contain the Al of 0.001~0.2wt%, the Ti of 0.001~0.02wt%, the Ni of 0.002~0.1wt%, the Mn of 0.001~0.1wt% in the said zinc alloy, surplus is Zn.
2. zinc alloy is used in hot dip according to claim 1, it is characterized in that, and be benchmark with the total mass of zinc alloy, contain the Al of 0.001wt%, the Ti of 0.002wt%, the Ni of 0.04wt%, the Mn of 0.001wt% in the said zinc alloy, surplus is Zn.
3. zinc alloy is used in hot dip according to claim 1, it is characterized in that, and be benchmark with the total mass of zinc alloy, contain the Al of 0.005wt%, the Ti of 0.005wt%, the Ni of 0.1wt%, the Mn of 0.005wt% in the said zinc alloy, surplus is Zn.
4. zinc alloy is used in hot dip according to claim 1, it is characterized in that, and be benchmark with the total mass of zinc alloy, contain the Al of 0.01wt%, the Ti of 0.008wt%, the Ni of 0.08wt%, the Mn of 0.02wt% in the said zinc alloy, surplus is Zn.
5. zinc alloy is used in hot dip according to claim 1, it is characterized in that, and be benchmark with the total mass of zinc alloy, contain the Al of 0.1wt%, the Ti of 0.01wt%, the Ni of 0.02wt%, the Mn of 0.05wt% in the said zinc alloy, surplus is Zn.
6. zinc alloy is used in hot dip according to claim 1, it is characterized in that, and be benchmark with the total mass of zinc alloy, contain the Al of 0.2wt%, the Ti of 0.02wt%, the Ni of 0.002wt%, the Mn of 0.1wt% in the said zinc alloy, surplus is Zn.
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CN2012103456572A CN102839298A (en) | 2012-09-18 | 2012-09-18 | Zinc alloy for hot dipping |
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CN2012103456572A CN102839298A (en) | 2012-09-18 | 2012-09-18 | Zinc alloy for hot dipping |
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Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN103602939A (en) * | 2013-11-27 | 2014-02-26 | 株洲冶炼集团股份有限公司 | Zinc alloy for hot-dip galvanizing and hot-dip galvanizing method |
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 |
CN105734343A (en) * | 2016-03-31 | 2016-07-06 | 江苏中远稀土新材料有限公司 | Rare-earth multi-element alloy coating and hot-dip galvanizing method thereof |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
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EP1466994A1 (en) * | 2002-01-09 | 2004-10-13 | Nippon Steel Corporation | Zinc-plated steel sheet excellent in corrosion resistance after coating and clarity of coating thereon |
CN1639375A (en) * | 2001-06-06 | 2005-07-13 | 新日本制铁株式会社 | High-strength hot-dip galvanized steel sheet and hot-dip galvannealed steel sheet having fatigue resistance, corrosion resistance, ductility and plating adhesion, after severe deformation, and a metho |
CN102482753A (en) * | 2009-08-31 | 2012-05-30 | 新日本制铁株式会社 | High-strength hot-dip galvanized steel sheet and process for producing same |
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2012
- 2012-09-18 CN CN2012103456572A patent/CN102839298A/en active Pending
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
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CN1639375A (en) * | 2001-06-06 | 2005-07-13 | 新日本制铁株式会社 | High-strength hot-dip galvanized steel sheet and hot-dip galvannealed steel sheet having fatigue resistance, corrosion resistance, ductility and plating adhesion, after severe deformation, and a metho |
EP1466994A1 (en) * | 2002-01-09 | 2004-10-13 | Nippon Steel Corporation | Zinc-plated steel sheet excellent in corrosion resistance after coating and clarity of coating thereon |
CN102482753A (en) * | 2009-08-31 | 2012-05-30 | 新日本制铁株式会社 | High-strength hot-dip galvanized steel sheet and process for producing same |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN103602939A (en) * | 2013-11-27 | 2014-02-26 | 株洲冶炼集团股份有限公司 | Zinc alloy for hot-dip galvanizing and hot-dip galvanizing method |
CN103602939B (en) * | 2013-11-27 | 2015-11-18 | 株洲冶炼集团股份有限公司 | A kind of hot dip zinc alloy and hot galvanizing method |
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 |
CN105734343A (en) * | 2016-03-31 | 2016-07-06 | 江苏中远稀土新材料有限公司 | Rare-earth multi-element alloy coating and hot-dip galvanizing method thereof |
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Application publication date: 20121226 |