CN1236980C - Rare earth aluminium alloy aluminium ingot bundling and wrapping tape and fabrication method thereof - Google Patents
Rare earth aluminium alloy aluminium ingot bundling and wrapping tape and fabrication method thereof Download PDFInfo
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- CN1236980C CN1236980C CN 200310116221 CN200310116221A CN1236980C CN 1236980 C CN1236980 C CN 1236980C CN 200310116221 CN200310116221 CN 200310116221 CN 200310116221 A CN200310116221 A CN 200310116221A CN 1236980 C CN1236980 C CN 1236980C
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Abstract
The present invention belongs to the smelting and heat treating field of alloy, particularly to a bundling and wrapping tape for rare earth aluminum alloy aluminum ingots and a fabrication method thereof. The aluminum alloy wrapping tape is formed by formulating Al, Zn, Mg, rare earth, Ti, Zr, Cr, Mn, etc. The cross section of the aluminum alloy wrapping tape is 25 to 35mm; the width is 1.0mm; the thickness is 1.5mm; the tensile strength reaches 350 to 400MPa; the elongation rate reaches 10 to 15%, and the shock resistance is good. The present invention which overcomes the defect of the existing steel tape has the advantages of no corrosion for long-term storage, unchanged mechanical properties and high strength; the whole bundle of aluminum ingots can be directly suspended into a top aluminum smelting furnace, and the work efficiency is increased. The wrapping tape is smooth without burs; the operation does not injure hands; the wrapping tape can not generate the phenomena, such as tape breakage, twisting and bundle disperse, and simultaneously, the present invention displays a certain economic benefit.
Description
Technical field:
The invention belongs to alloy melting heat treatment field, relate to a kind of rare earth aluminium alloy aluminium ingot bailing band and preparation method thereof specifically.
Background technology:
The present overwhelming majority of aluminium ingot bailing in the world adopts the galvanized steel strips (group III) in the GB4173-84 standard, its tensile strength 〉=490N/mm
2, percentage elongation ≮ 5%, sectional dimension is 25-40mm * 0.7-1.1mm, its production technology is cut into required width for the big width steel coil strip that will buy, aligns, is finished product around being rolled into through zinc-plated, shaping.But have following deficiency: (1) is though adopt steel band bundling intensity height, modulus of elasticity big, but, material viscosity little, poor toughness lower because of its stretch ratio, so under the situation of load that withstands shocks, (clash into steel band etc. from eminence overturning, sharp thing) as the aluminium ingot bundle, the steel band easy fracture, cause the bundle of loosing, bring greatly constant to transportation; (2) aluminium ingot bundle through repeatedly have bad luck and long-distance transport after arrive the user, steel band has produced permanent deformation, it is lower to tear bundle back second use rate open, can only handle as scrap steel; (3) when adopting large-scale top charging formula to melt the aluminium stove, the user wishes to put in order disposable hang in the stove of bundle aluminium ingot and need not tear strap open, but steel band pollutes aluminium liquid because of meeting, and can't put in order the stove of in bundling, the dress block-by-block adds aluminium ingot so must unpack, thereby influences smelting efficiency; (4) long-term storage or when transporting aluminium ingot at a distance, the perishable fracture of steel band causing the bundle of loosing, and makes troubles to transportation; (5) steel band is sheared for the monoblock band and is formed, and limit portion burr is more, when bundling is operated, easily scratches finger, scratches gloves; (6) steel coil strip weight is big, the carrying effort, and, be difficult for lengthy warehousing because of perishable.
Summary of the invention:
The present invention adopts a kind of rare earth aluminium alloy after melting and extrusion process and heat treatment and a kind of rare earth aluminium alloy aluminium ingot bailing band of making and preparation method thereof, to overcome the deficiency of above-mentioned galvanized steel strip.
The objective of the invention is to realize by following technical scheme:
A kind of rare earth aluminium alloy aluminium ingot bailing band and preparation method thereof, its characteristics are: be that percentage by weight by following alloying element is mixed with:
Zinc content is: 5-9%, content of magnesium are: 0.5-2.0%, content of rare earth are: 0.05-0.2%, Ti content are: 0.1-0.2%, zirconium content are: 0.2-0.5%, chromium content are: 0 2-0.3%, manganese content are: the content of 0.1-0.4%, silicon and iron is respectively smaller or equal to 0.3%;
Method for making is as follows:
Zinc is added smelting furnace melting with 0.2-0.3%, manganese with 0.1-0.4% with 0.2-0.5%, chromium with 0.5-2.0%, zirconium with 5-9%, magnesium, the content of silicon and iron is respectively smaller or equal to 0.3%, and then adds rare earth 0.05-0.2% and titanium 0.1-0.2% carries out grain refinement;
Percentage by weight proportioning by above-mentioned alloying element, carry out alloy melting with AOO level Raw Aluminium, after melting is qualified, passes through refining and leave standstill usefulness 100mm crystallizer, cast pole by hot top casting, after sawing, under 400-450 ℃ of temperature, carry out being extruded into strap with the aluminium extrusion press after the uniformization processing, after the processing of T6 artificial aging, promptly produce up-to-standard aluminum alloy strap.
Adopt rare earth aluminium alloy ingot bailing band of the present invention and preparation method thereof, can produce width 25-35mm, thickness is high strength alumin ium alloy aluminium ingot bailing band in the rare earth of 1.0-1.5mm, intensity reaches 350-400MPa, stretch ratio reaches 10-15%, strength-to-density ratio reaches 130-150 (steel band is 60), according to the bundling mode of steel band, satisfies the bailing condition of conventional aluminium ingot fully; Under the condition of bearing same impact load, aluminum alloy strip is because viscosity is big, the toughness height, the impact of bearing than steel band often, with the aluminium ingot of alloy band bailing, by long-distance transport, repeatedly handling is not found broken belt, distortion, the bundle of loosing phenomenon.The aluminum alloy strip resistance to corrosion is strong, long period transportation, deposit, the burn into mechanical characteristics is not constant, and is specious, because the extrusion dies design time leaves fillet, so the smooth burr free of alloy belt edge is not hindered hand during operation, do not scratch gloves; In the whole bundle of roof-mounted large-scale smelting furnace hoisting process, the alloy band has shown its preceence, and the dress of can not unpacking will be put in order the bundle aluminium ingot and hang in the stove, improve work efficiency greatly; Because of the high-load of alloying element is 2%, and alloy band weight accounts for the minimum ratio of whole bundle aluminium ingot weight, so that alloying element influences secondary remelting body composition is very little, can ignore.
The specific embodiment:
Embodiment:
A kind of rare earth aluminium alloy aluminium ingot bailing band and preparation method thereof, its characteristics are: be that percentage by weight by following alloying element is mixed with:
Zinc content is: 5-9%, content of magnesium are: 0.5-2.0%, content of rare earth are: 0.05-0.2%, Ti content are: 0.1-0.2%, zirconium content are: 0.2-0.5%, chromium content are: 0.2-0.3%, manganese content are: the content of 0.1-0.4%, silicon and iron is respectively smaller or equal to 0.3%;
Method for making is as follows:
Zinc is added smelting furnace melting with 0.2-0.3%, manganese with 0.1-0.4% with 0.2-0.5%, chromium with 0.5-2.0%, zirconium with 5-9%, magnesium, the content of silicon and iron is respectively ≯ and 0.3%, and then add rare earth 0.05-0.2% and titanium 0.1-0.2% carries out grain refinement;
Percentage by weight proportioning by above-mentioned alloying element, carry out alloy melting with AOO level Raw Aluminium, after melting is qualified, passes through refining and leave standstill usefulness 100mm crystallizer, cast pole by hot top casting, after sawing, under 400-450 ℃ of temperature, carry out being extruded into strap with the aluminium extrusion press after the uniformization processing, after the processing of T6 artificial aging, promptly produce up-to-standard aluminum alloy strap.Wherein zinc mainly plays corrosion-resisting function, and magnesium, zirconium, chromium, manganese etc. mainly play the alloy strength invigoration effect, and rare earth and titanium elements mainly play crystal grain thinning and the effect of gaining in strength.Want strict content to be controlled in 0.3% in the fusion process with impurity iron and silicon.
Successively use in cast aluminium company of company of alclad synthesis and alclad technological development ancillary firm and carry out aluminium ingot bundling totally 10 bundles, wherein the single bundle of 5 bundles weight is 750Kg, the single bundle of 5 bundles weight is 1000Kg in addition, bundling method is earlier to add the scale severing of carrying out strap after the surplus according to every buttress aluminium ingot peripheral length, after passing the aluminium ingot groove, with the special-purpose steel card strap two joints are connected, adopting special-purpose pneumatic type bundling device to carry out strap takes out tightly, after steel card and strap clamped with unit clamp, the severing remainder, promptly finish the bundling of a band, every buttress aluminium ingot is played four alloy bands.Behind the bundling, do impact test with 3 ton forklifts, prove that the novel package band meets usage condition fully, from 1m high falling 3 times, broken belt, the bundle of loosing can not carried out industry and be applied.
Claims (1)
1, a kind of rare earth aluminium alloy aluminium ingot bailing band and preparation method thereof is characterized in that: be that percentage by weight by following alloying element is mixed with:
Zinc content is: 5-9%, content of magnesium are: 0.5-2.0%, content of rare earth are: 0.05-0.2%, Ti content are: 0.1-0.2%, zirconium content are: 0.2-0.5%, chromium content are: 0.2-0.3%, manganese content are: the content of 0.1-0.4%, silicon and iron is respectively smaller or equal to 0.3%;
Method for making is as follows:
Zinc is added smelting furnace melting with 0.2-0.3%, manganese with 0.1-0.4% with 0.2-0.5%, chromium with 0.5-2.0%, zirconium with 5-9%, magnesium, the content of silicon and iron is respectively smaller or equal to 0.3%, and then adds rare earth 0.05-0.2% and titanium 0.1-0.2% carries out grain refinement;
Percentage by weight proportioning by above-mentioned alloying element, carry out alloy melting with AOO level Raw Aluminium, after melting is qualified, through refining and leaving standstill, usefulness 100mm crystallizer is cast pole by hot top casting, after sawing, under 400-450 ℃ of temperature, carry out being extruded into strap with the aluminium extrusion press, through T after the uniformization processing
6Artificial aging is promptly produced up-to-standard aluminum alloy strap after handling.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200310116221 CN1236980C (en) | 2003-11-12 | 2003-11-12 | Rare earth aluminium alloy aluminium ingot bundling and wrapping tape and fabrication method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200310116221 CN1236980C (en) | 2003-11-12 | 2003-11-12 | Rare earth aluminium alloy aluminium ingot bundling and wrapping tape and fabrication method thereof |
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| Publication Number | Publication Date |
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| CN1544297A CN1544297A (en) | 2004-11-10 |
| CN1236980C true CN1236980C (en) | 2006-01-18 |
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| CN 200310116221 Expired - Fee Related CN1236980C (en) | 2003-11-12 | 2003-11-12 | Rare earth aluminium alloy aluminium ingot bundling and wrapping tape and fabrication method thereof |
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Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101440448B (en) * | 2008-10-23 | 2010-06-16 | 无锡麟龙铝业有限公司 | Aluminum cast alloy capable of being used under +/- 125 DEG C and manufacturing method thereof |
| CN103469035B (en) * | 2013-10-08 | 2015-08-19 | 湖南大学 | A kind of high-strength, lightweight, anti-corrosion, the Al-Zn-Mg alloy that can weld and preparation method |
| CN108359851B (en) * | 2018-02-05 | 2020-06-26 | 奥科宁克（昆山）铝业有限公司 | Manufacturing process of packing belt |
| CN109457147B (en) * | 2018-12-28 | 2020-10-20 | 辽宁忠旺集团有限公司 | Aluminum packing belt and production process thereof |
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2003
- 2003-11-12 CN CN 200310116221 patent/CN1236980C/en not_active Expired - Fee Related
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Granted publication date: 20060118 Termination date: 20131112 |