CN103599932B - A kind of composite technique for rolling covering aluminum steel tube material - Google Patents
A kind of composite technique for rolling covering aluminum steel tube material Download PDFInfo
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- CN103599932B CN103599932B CN201310585775.5A CN201310585775A CN103599932B CN 103599932 B CN103599932 B CN 103599932B CN 201310585775 A CN201310585775 A CN 201310585775A CN 103599932 B CN103599932 B CN 103599932B
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Abstract
The invention provides a kind of composite technique for rolling covering aluminum steel tube material, aluminum alloy materials and carbon steel material can be combined with each other by well, and its production cost is low, and composite effect is good.Its technical scheme is such, it is characterized in that: prepare carbon steel material and aluminum alloy materials first respectively, then cold rolling the obtaining of carbon steel material and the stacked rear feeding milling train of aluminum alloy materials is covered aluminum steel tube material, and controlling rolling reduction time cold rolling is 60% ~ 70%.
Description
Technical field
The present invention relates to many metal composite field, especially relate to the preparation field covering aluminum steel tube material for the manufacture of air cooling base tube, be specially a kind of composite technique for rolling covering aluminum steel tube material.
Background technology
Along with going deep into of energy-saving and emission-reduction, the cooling system of thermal power generation all adopts air cooling technique.Air cooler has directly cooling and indirectly cools two kinds of methods for cooling, wherein indirectly cool that early investment is large but later maintenance cost is low, direct cooling early investment is little, later maintenance cost is high, adopt the air cooler of cooling indirectly to adopt aluminum pipe to add aluminum alloy fin to be connected by mechanical expanding mode, and what adopt the air cooler of directly cooling to adopt is that steel pipe adds aluminum alloy fin by the mode of Welding Metallurgy and links together, what therefore adopt is that its radiating effect of air cooler of direct cooling mode is better.But because aluminum alloy fin and carbon steel cannot directly solderings, therefore, one deck aluminium lamination can only be covered at steel surface, play the bridge joint effect of connecting aluminum alloy fin and carbon steel.And due to properties difference between aluminum alloy materials and carbon steel material huge, be difficult to combined by commonsense method.Aluminium alloy and carbon steel combine by general employing Explosion composite mode, or adopt the mode of aluminizing to plate one deck aluminium at steel surface.But adopt the mode of Explosion composite, one is that cost is huge, and production scene is dangerous, and two is to produce in batches, and recombination rate is uncontrollable; According to the mode of aluminizing, then aluminium lamination is thinner, easily causes welding to come off, and result of use is not good.
Summary of the invention
For the problems referred to above, the invention provides a kind of composite technique for rolling covering aluminum steel tube material, aluminum alloy materials and carbon steel material can be combined with each other by well, and its production cost is low, and composite effect is good.
Its technical scheme is such, it is characterized in that: prepare carbon steel material and aluminum alloy materials first respectively, then cold rolling the obtaining of described carbon steel material and the stacked rear feeding milling train of aluminum alloy materials is covered aluminum steel tube material, described cold rolling time control rolling reduction be 60% ~ 70%.
It is further characterized in that:
Described carbon steel material thickness is 3.5mm ~ 4.0mm;
Described aluminum alloy materials thickness is 0.25mm ~ 0.3mm;
The described aluminum steel tube material thickness that covers obtained is 1.125mm ~ 1.72mm.
The composite technique for rolling of aluminum steel tube material is covered in the present invention, its by cold rolling mode by carbon steel material together with aluminum alloy materials composite joint, the composite effect of bi-material is ensured by controlled rolling deflection, covering between aluminum steel tube material its aluminium alloy layer and carbon steel layer of present invention process processing combines better, and the defects such as nothing comes off, bubble, through back pass as aluminium lamination obscission also can not be produced after the operations such as annealing, cold rolling, finishing, drawn, bending experimental test, aluminum steel interface bond strength is good, occurs without delamination.
Detailed description of the invention
Embodiment one:
A kind of composite technique for rolling covering aluminum steel tube material, to prepare thickness be respectively the carbon steel material of 3.5mm and thickness is the aluminum alloy materials of 0.27mm, then be that 1.125mm covers aluminum steel tube material by the cold rolling thickness that obtains of above-mentioned carbon steel material and the stacked rear feeding milling train of aluminum alloy materials, controlling rolling reduction time cold rolling is 70%, and wherein aluminum alloy materials is 1050 aluminium alloys.
Embodiment two:
A kind of composite technique for rolling covering aluminum steel tube material, respectively prepare thickness be 4.0 carbon steel material and thickness be the aluminum alloy materials of 0.25mm, then be that 1.39mm covers aluminum steel tube material by the cold rolling thickness that obtains of above-mentioned carbon steel material and the stacked rear feeding milling train of aluminum alloy materials, controlling rolling reduction time cold rolling is 65%, and wherein aluminum alloy materials is 1050 aluminium alloys.
Embodiment three:
A kind of composite technique for rolling covering aluminum steel tube material, to prepare thickness be respectively the carbon steel material of 3.7mm and thickness is the aluminum alloy materials of 0.3mm, then be that 1.72mm covers aluminum steel tube material by the cold rolling thickness that obtains of above-mentioned carbon steel material and the stacked rear feeding milling train of aluminum alloy materials, controlling rolling reduction time cold rolling is 65%, and wherein aluminum alloy materials is 1050 aluminium alloys.
Claims (1)
1. one kind covers the composite technique for rolling of aluminum steel tube material, it is characterized in that: prepare carbon steel material and 1050 aluminum alloy materials first respectively, then cold rolling the obtaining of described carbon steel material and the stacked rear feeding milling train of 1050 aluminum alloy materials is covered aluminum steel tube material, described cold rolling time control rolling reduction be 60% ~ 70%; Described carbon steel material thickness is 3.5mm ~ 4.0mm; Described 1050 aluminum alloy materials thickness are 0.25mm ~ 0.3mm; The described aluminum steel tube material thickness that covers obtained is 1.125mm ~ 1.72mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201310585775.5A CN103599932B (en) | 2013-11-20 | 2013-11-20 | A kind of composite technique for rolling covering aluminum steel tube material |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310585775.5A CN103599932B (en) | 2013-11-20 | 2013-11-20 | A kind of composite technique for rolling covering aluminum steel tube material |
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| Publication Number | Publication Date |
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| CN103599932A CN103599932A (en) | 2014-02-26 |
| CN103599932B true CN103599932B (en) | 2016-03-02 |
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Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103920742B (en) * | 2014-04-18 | 2016-01-20 | 东风汽车公司 | A kind of hollow profile base material preparation method |
| CN105445305B (en) * | 2015-12-09 | 2018-11-09 | 银邦金属复合材料股份有限公司 | Aluminium/steel laminar composite initially combines the determination method of critical reduction |
| CN107881410B (en) * | 2016-09-30 | 2019-12-27 | 宝山钢铁股份有限公司 | Aluminum-clad plate strip with excellent heat dissipation effect and production method thereof |
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| US4046304A (en) * | 1973-09-12 | 1977-09-06 | Teikoku Piston Ring Co., Ltd. | Process for producing metal composite material |
| WO1999056950A1 (en) * | 1998-05-04 | 1999-11-11 | Clad Metals Llc | Copper core five-ply composite for cookware and method of making same |
| JP2002012982A (en) * | 2000-06-29 | 2002-01-15 | Nkk Corp | Steel sheet coated with composite phosphate film superior in corrosion resistance, lubricity, and coating material adhesiveness |
| CN2688490Y (en) * | 2004-04-23 | 2005-03-30 | 胡志明 | Composite metal boards |
| CN102615102A (en) * | 2012-04-17 | 2012-08-01 | 红光电气集团有限公司 | Cold rolling manufacture method of copper and aluminum composite plate strips |
| CN202764278U (en) * | 2012-04-17 | 2013-03-06 | 红光电气集团有限公司 | Cold rolling type copper-aluminum composite plate strip |
| CN102773253A (en) * | 2012-07-06 | 2012-11-14 | 常州大学 | Steel-aluminum bronze bimetal material compounding method |
| CN103084387A (en) * | 2013-01-16 | 2013-05-08 | 上海骏禾材料科技有限公司 | Continuous composite preparation method for aluminum, aluminum alloy and stainless steel |
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| CN103599932A (en) | 2014-02-26 |
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