CN103143566A - Titanium-steel composite board roll and production method thereof - Google Patents
Titanium-steel composite board roll and production method thereof Download PDFInfo
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- CN103143566A CN103143566A CN2013100713220A CN201310071322A CN103143566A CN 103143566 A CN103143566 A CN 103143566A CN 2013100713220 A CN2013100713220 A CN 2013100713220A CN 201310071322 A CN201310071322 A CN 201310071322A CN 103143566 A CN103143566 A CN 103143566A
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Abstract
The invention provides a titanium-steel composite board roll and a production method thereof. The method includes the following steps: heating a titanium-steel composite board slab, and controlling the tapping temperature to be within 980-1150 DEG C; performing rough rolling in a manner that a slab passes by a roller clearance for five times with each reduction rate not less than 19%; performing precision rolling by adopting the high-temperature low-speed tandem rolling technology; and rolling the slab to obtain the titanium-steel composite board roll, wherein the coiling tension is 8-25 MPa. The invention has the advantages that the production efficiency of the titanium-steel composite board roll is improved, the production cost is reduced, the operability is strong, the method is simple, and popularization and application are facilitated.
Description
Technical field
The present invention relates to titanium-steel composite board volume technical field, more particularly, relate to a kind of titanium steel composite board volume and production method thereof.
Background technology
Therefore titanium-steel composite board is cheap, has simultaneously the premium properties of titanium and Steel material concurrently, is just becoming the substitute of pure titanium plate and uses in the fields such as aviation, chemical industry.At present, most titanium-steel composite board is all to adopt explosion method to produce.Yet explosion method technique exists cost height and the narrow deficiency of production kind.
Direct superimposed accumulation is rolling to be the Japanology at first the person invents, with the thin plate after surface treatment repeatedly lamination, repeatedly rollingly reach seam.Patent documentation CN102679134A discloses and the rolling substantially similar technology of above-mentioned direct superimposed accumulation.Yet, due to the rolling need of direct superimposed accumulation directly repeatedly lamination, repeatedly rollingly reach seam, so its production efficiency is low and product take tabular as main, simultaneously the surface quality during the titanium-steel composite board product and plate shape to control function limited.
Summary of the invention
For at least one in the prior art above shortcomings, the object of the present invention is to provide a kind of titanium-steel composite board volume and production method thereof.
An aspect of of the present present invention provides a kind of method of producing the titanium-steel composite board volume, and described method comprises the following steps of carrying out successively: heating titanium-steel composite board base, and its tapping temperature is controlled to be 980～1150 ℃; Roughing adopts 5 passage modes rolling, and the single pass reduction ratio is not less than 19%; Finish rolling is adopted continuous rolling process, and the finish rolling inlet temperature is controlled to be 930 ℃ ± 15 ℃, and finishing temperature is controlled to be 760 ℃ ± 15 ℃, and mill speed is controlled to be 2.5～7m/s; Batch to obtain the titanium-steel composite board volume, wherein, coiling tension adopts 8～25MPa.
In one exemplary embodiment of the present invention, the thickness of described titanium-steel composite board volume is 2.0～25.4mm.
In one exemplary embodiment of the present invention, described method adopts the hot rolling line that is comprised of heating furnace, reversing rougher, finishing mill, coiling machine to realize.
In one exemplary embodiment of the present invention, described hot rolling line is 2050 wide flat steel hot rolling production lines.
Another aspect of the present invention provides a kind of titanium-steel composite board volume, and described titanium-steel composite board volume adopts method as above to make.
Compared with prior art, beneficial effect of the present invention comprises: improved titanium-steel composite board volume production efficiency, reduced production cost, workable, method simple, be easy to apply etc.
The specific embodiment
Hereinafter, describe titanium-steel composite board volume of the present invention and production method thereof in detail in connection with exemplary embodiment.
The method of production titanium-steel composite board volume according to an aspect of the present invention comprises the following steps of carrying out successively: heating titanium-steel composite board base, and its tapping temperature is controlled to be 980～1150 ℃; Roughing adopts 5 passage modes rolling, and the single pass reduction ratio is not less than 19%,, rolls back and forth 5 passages in roughing that is, and every time reduction ratio is not less than 19%, and this rolling mode has the high temperature of increasing large deformation, reduces the benefits such as workpiece thickness); High temperature low speed continuous rolling process is adopted in finish rolling, is specially: the finish rolling inlet temperature is controlled to be 930 ℃ ± 15 ℃, finishing temperature is controlled to be 760 ℃ ± 15 ℃, thereby be conducive to rollingly carry out smoothly, avoid roll-force excessive; And mill speed is controlled to be 2.5～7m/s, thereby can prevent that titanium-steel from causing in conjunction with separation tears; Batch to obtain the titanium-steel composite board volume, wherein, coiling tension adopts 8～25MPa.That adopts above-mentioned parameter has good surface quality and rolls up in conjunction with the titanium-steel composite board of effect in conjunction with controlling, can accessing.In addition, if the roughing passage very little, reduction ratio is on the low side easily cause intermediate blank thick, is unfavorable for that distortion evenly; Speed too high (for example, surpassing 8m/s) easily causes titanium-steel to cause in conjunction with separation and tears.
In one exemplary embodiment of the present invention, the thickness of described titanium-steel composite board volume is 2.0～25.4mm.
In one exemplary embodiment of the present invention, described method adopts the hot rolling line that is comprised of heating furnace, reversing rougher, finishing mill, coiling machine to realize.For example, described hot rolling line can be 2050 wide flat steel hot rolling production lines.
Titanium-steel composite board volume according to a further aspect of the invention adopts method as above to make.
Below in conjunction with concrete example, one exemplary embodiment of the present invention are described.
In this example, adopt band steel 2050 hot continuous rolling production lines to realize method of the present invention.This capital equipment with steel 2050 hot continuous rolling production lines can comprise: 1～4 walking beam heating furnace, 1 stand reversible roughing mill, 7 finishing tandem rolling units, 2～3 coiling machines.
In an exemplary embodiment of the method that production titanium-steel composite board of the present invention is rolled up, described method comprises the steps such as blank heating is come out of the stove, roughing, finish rolling, coiling technique.Wherein, titanium-steel composite board base tapping temperature is controlled to be 980～1150 ℃, to guarantee that slab still has sufficiently high temperature in the finish rolling section after the roughing temperature drop; Roughing adopts " 5 passage " mode rolling, and the single pass reduction ratio is not less than 19%, has good plate shape to guarantee intermediate blank; High temperature low speed, 7 frames (or passage) continuous rolling process are adopted in finish rolling, to guarantee that titanium-steel Combined roll has good surface quality; Coiling tension adopts 8～25MPa, and is surperficial neatly compact without touching sassafras wound, scroll to guarantee the titanium-steel composite board volume.
Method of the present invention is by controlling heating, roughing, finish rolling, coiling technique, can produce on the wide steel strip hot continuous mill group great surface quality, thickness is 2.0～25.4mm, wide specification series titanium-steel composite board volume product, and greatly improved titanium-steel composite board volume production efficiency, reduced production cost.In addition, method of the present invention also has the characteristics such as workable, that method simple, be easy to apply.
Example 1
The present embodiment is to adopt 2050 hot continuous rolling production lines to produce the wide specification series titanium-steel composite board volume of great surface quality.2050 hot fine rolling lines are comprised of 7 machine frame rolling mills.Blank is formed by the TA2 seam of 145mmQ235B and 35mm, and its thickness is 180mm, product specification 6.0 * 1800mm.
Its production process is: 1. the blank tapping temperature is 1120 ℃; 2. 5 passages (each percentage pass reduction 19%, 21%, 27%, 29%, 29%) rolling mill practice is adopted in roughing; 3. seven frame tandem rollings are adopted in finish rolling, do not throw frame, 930 ℃ ± 15 ℃ of finish rolling inlet temperatures, 760 ℃ ± 15 ℃ of finishing temperatures, and mill speed is controlled to be 3.8m/s; 4. coiling tension 9～14MPa.The product scroll is neat, compact, and surface quality is good.
Example 2
The present embodiment is to adopt 2050 hot continuous rolling production lines to produce the wide specification series titanium-steel composite board volume of great surface quality.Blank is formed by the TA2 seam of 155mmQ345B and 40mm, and its thickness is 195mm, and product specification is 12.0 * 1850mm.
Its production process is: 1. the blank tapping temperature is 1080 ℃; 2. 5 passages (each percentage pass reduction 20%, 22%, 25%, 28%, 29%) rolling mill practice is adopted in roughing; 3. seven frame tandem rollings are adopted in finish rolling, do not throw frame, 930 ℃ ± 15 ℃ of finish rolling inlet temperatures, and 760 ℃ ± 15 ℃ of finishing temperatures, mill speed is controlled to be 3.2m/s; 4. coiling tension 10～17MPa.The product scroll is neat, compact, and surface quality is good.
In sum, the invention provides a kind of method by operation production titanium-steel composite board volumes such as controlling heating, roughing, finish rolling, batch, more particularly, the present invention can produce on the wide steel strip hot continuous mill group great surface quality, thickness is 2.0～25.4mm, wide specification series titanium-steel composite board volume product, and greatly improved titanium-steel composite board volume production efficiency, reduced production cost.In addition, method of the present invention also has the characteristics such as workable, that method simple, be easy to apply.
Although the above has described the present invention in conjunction with exemplary embodiment, those of ordinary skills should be clear, in the situation that do not break away from the spirit and scope of claim, can carry out various modifications to above-described embodiment.
Claims (5)
1. a method of producing the titanium-steel composite board volume, is characterized in that, described method comprises the following steps of carrying out successively:
Heating titanium-steel composite board base, and its tapping temperature is controlled to be 980～1150 ℃;
Roughing adopts 5 passage modes rolling, and the single pass reduction ratio is not less than 19%;
Finish rolling is adopted continuous rolling process, and the finish rolling inlet temperature is controlled to be 930 ℃ ± 15 ℃, and finishing temperature is controlled to be 760 ℃ ± 15 ℃, and mill speed is controlled to be 2.5～7m/s;
Batch to obtain the titanium-steel composite board volume, wherein, coiling tension adopts 8～25MPa.
2. the method for production titanium-steel composite board volume according to claim 1, is characterized in that, the thickness of described titanium-steel composite board volume is 2.0～25.4mm.
3. the method for production titanium-steel composite board volume according to claim 1, is characterized in that, described method adopts the hot rolling line that is comprised of heating furnace, reversing rougher, finishing mill, coiling machine to realize.
4. the method for production titanium-steel composite board volume according to claim 1, is characterized in that, described hot rolling line is 2050 wide flat steel hot rolling production lines.
5. a titanium-steel composite board volume, is characterized in that, described titanium-steel composite board volume adopts method as described in any one in claim 1-4 to make.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201310071322.0A CN103143566B (en) | 2013-03-06 | 2013-03-06 | A kind of Titanium-steel composite board roll and production method thereof |
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| CN201310071322.0A CN103143566B (en) | 2013-03-06 | 2013-03-06 | A kind of Titanium-steel composite board roll and production method thereof |
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| CN103143566A true CN103143566A (en) | 2013-06-12 |
| CN103143566B CN103143566B (en) | 2015-11-04 |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN104959398A (en) * | 2015-05-25 | 2015-10-07 | 山西太钢不锈钢股份有限公司 | Coiling method of limit specification 304 stainless steel |
| CN110961455A (en) * | 2019-11-28 | 2020-04-07 | 湖南湘投金天钛金属股份有限公司 | Preparation process of titanium steel composite coil |
| CN113106327A (en) * | 2020-01-13 | 2021-07-13 | 宝山钢铁股份有限公司 | High corrosion-resistant strip steel and manufacturing method thereof |
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| JP5025315B2 (en) * | 2007-04-19 | 2012-09-12 | 株式会社フジコー | Composite roll for hot rolling, method for producing composite roll for hot rolling, and hot rolling method |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN104959398A (en) * | 2015-05-25 | 2015-10-07 | 山西太钢不锈钢股份有限公司 | Coiling method of limit specification 304 stainless steel |
| CN110961455A (en) * | 2019-11-28 | 2020-04-07 | 湖南湘投金天钛金属股份有限公司 | Preparation process of titanium steel composite coil |
| CN113106327A (en) * | 2020-01-13 | 2021-07-13 | 宝山钢铁股份有限公司 | High corrosion-resistant strip steel and manufacturing method thereof |
| CN113106327B (en) * | 2020-01-13 | 2022-06-24 | 宝山钢铁股份有限公司 | High corrosion-resistant strip steel and manufacturing method thereof |
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| CN103143566B (en) | 2015-11-04 |
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Owner name: PANGANG GROUP XICHANG STEEL + VANADIUM CO., LTD. Effective date: 20140130 |
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Effective date of registration: 20140130 Address after: 617000 Taoyuan street, Panzhihua, Sichuan, No. 90 Applicant after: Pangang Group Panzhihua Iron & Steel Research Institute Co., Ltd. Applicant after: Pangang Group Xichang Steel & Vanadium Co., Ltd. Address before: 617000 Taoyuan street, Panzhihua, Sichuan, No. 90 Applicant before: Pangang Group Panzhihua Iron & Steel Research Institute Co., Ltd. |
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