CN104190712B - A kind of hot continuous mill produces the method for TA10 alloy volume - Google Patents
A kind of hot continuous mill produces the method for TA10 alloy volume Download PDFInfo
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- CN104190712B CN104190712B CN201410431209.3A CN201410431209A CN104190712B CN 104190712 B CN104190712 B CN 104190712B CN 201410431209 A CN201410431209 A CN 201410431209A CN 104190712 B CN104190712 B CN 104190712B
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Abstract
The present invention discloses a kind of method that hot continuous mill produces TA10 alloy volume, the method is: the process furnace that the TA10 that electron-beam cold bed furnace produced (name component is Ti-0.3Mo-0.8Ni) square billet loads hot continuous mill after milling face, chamfering, reconditioning heats, after reaching predetermined temperature through high-pressure water descaling, roughing, heavily roll up, tail of decaptitating, finish rolling, section cooling, the operation such as batch after can obtain TA10 alloy volume. The production cost producing TA10 alloy volume by the method is low, with short production cycle, and surface quality height, once lumber-preserving rate can reach more than 99%.
Description
Technical field
The present invention relates to a kind of method that hot continuous mill produces TA10 alloy volume, belong to field of engineering technology.
Background technology
Ti-Pb alloy is a kind of corrosion resistant Ti alloy best at present, has been widely used in the industrial sectors such as metallurgy, aviation, petroleum refining, petrochemical complex, and has achieved unusual effect. But owing to containing rare precious metal palladium in Ti-Pd alloy, not only have any problem in source, and cost is also high, greatly limit its application. TA10 (name component is Ti-0.3Mo-0.8Ni) is not because containing your element rare, good processability, and the corrosion resisting property in reductibility medium and high-temperature chlorine compound is significantly improved than pure titanium, it is possible to part replaces Ti-Pd alloy. TA10 alloy has been considered as the most excellent new type corrosion resistant alloy since Ti-Pd alloy, may occur in the environment of crevice corrosion at some pure titaniums, and TA10 alloy will replace the acquisition of pure titanium and apply very widely.
Existing market is to the maximum heat exchanger thin titanium board industry of TA10 demand, but due to domestic that TA10 volume plate consumption is relatively little, the production capacity of newly-built rolling titanium volume special production line is not enough, and now steel market is low, and the character of steel and titanium has many close parts. For this reason, utilize existing hot continuous mill to realize the production of TA10 alloy volume, it is possible to meet Vehicles Collected from Market demand. Owing to the planeness of blank is had higher requirement by hot continuous mill, to the blank obtained through open die forging, the defects such as the pit to blank surface, projection are also needed to carry out cut mechanically or reconditioning removal. Conventional blank acquisition process needs use open die forging process, in the middle of it, easily at blank two ends, " tongue " occurs, there is the defect such as minute crack and oxidation in edge, carry out subsequent production, cutting, reconditioning must be increased, take off the operations such as skin, not only add production cost, also cause the huge waste of human and material resources, also make lumber recovery greatly decline simultaneously.
Adopt electron-beam cold bed furnace energy direct production to go out the TA10 alloy preform of size conforms hot continuous mill requirement, only need to can enter rolling process after simple milling face, reconditioning operation. Avoiding still needs after ordinary method produces ingot casting carry out cogging forging, cutting, reconditioning and take off the operation of a series of complexity such as skin after just can be rolled operation. In addition, electron-beam cold bed furnace has the effect of refining, purification, it is possible to produce without the high quality TA10 alloy billet that high/low density is mingled with, the every index of blank all than forging base good, for the secondary processing of follow-up volume plate is provided convenience.
By the retrieval to prior art literature, produce the method for TA10 alloy volume about a kind of hot continuous mill, not yet find relevant report.
Summary of the invention
Technical problem to be solved by this invention is the deficiency for above-mentioned appearance, a kind of hot continuous mill is provided to produce the method for TA10 alloy volume, the production cost that the method produces TA10 alloy volume is lower, the equipment establishing new special rolling titanium without the need to purchasing, have good rolling technology and throughput, in actual production, easy to operate, rolling volume face mass ratio forging base out is effective, can effectively solve and adopt forging base to roll volume produced problem and deficiency.
In order to achieve the above object, the technical solution used in the present invention is:
Hot continuous mill produces a method for TA10 alloy volume, and feature of present invention is, comprises the following steps:
(1) TA10 alloy square billet electron-beam cold bed furnace produced is put in hot continuous mill process furnace after milling face, chamfering, reconditioning, crop and is heated, and heat-up time is 220��300min;
(2) the TA10 alloy square billet high pressure water after having heated being carried out de-scaling, the pressure of high pressure water is 18��22MPa;
(3) the TA10 alloy square billet after high-pressure water descaling operation is carried out N1Passage roughing, at front N1Being closed by high pressure descaling water in-1 passage, open high pressure descaling water when last passage roughing, the slab after roughing being completed carries out de-scaling again;
(4) slab after roughing being completed heavily is rolled up, and removes slab end to end with flying shear in heavily volume process;
(5) N is carried out by removing the slab after end to end2Passage finish rolling, adopts osculum high-power blower to be blown by volume face foreign matter and sweeps between finishing mill;
(6), after finish rolling completes, carry out volume face surveying temperature, it is determined that the current size of section cooling;
(7) after section cooling completes, batch involving in row, the TA10 alloy volume of dimension can be obtained.
In step of the present invention (1), the specification of TA10 alloy square billet is 210mm �� (1060��1390mm) �� (7200��8400mm), and the specification behind milling face is (190��208) mm �� (1050��1380mm) �� (7200��8300mm); Hot continuous mill process furnace is by three sections of heating cycles, and wherein one section of Heating temperature is: 940��960 DEG C, and two sections of Heating temperatures are 910��920 DEG C, three sections of Heating temperatures are 730��760 DEG C, wherein one section is first rolling section, and three sections is rear rolling section, and the angle of chamfering is 45 ��.
N in step of the present invention (3)1Value be 5��7, the N when finished product rollback request thickness is 6mm1It is 5, the N when finished product rollback request thickness is 4.5mm1It is 6, the N when finished product rollback request thickness is 3mm1It is 7.
N in step of the present invention (5)2Value be 6��7, the N when finished product rollback request thickness is 6mm2It is 6, the N when finished product rollback request thickness is 4.5mm2It is 6, the N when finished product rollback request thickness is 3mm2It is 7.
In step of the present invention (6), the temperature in face is rolled up in finish rolling after completing is 550��650 DEG C.
The present invention has the following advantages:
1, good product performance;
2, simple to operate, circulation ratio is strong;
3, the technological process of production shortens greatly;
4, with short production cycle, productivity height;
5, lumber recovery height, can obtain obvious economic benefit.
In sum, the technique of the method for the present invention's hot continuous mill production TA10 alloy volume is simple, easy to operate, result of use is good, when can ensure titanium volume surface quality, Production Flow Chart is shortened dramatically, improve lumber recovery, greatly reduce production cost, make product obtain the good market competitiveness.
Embodiment
Hot continuous mill produces a method for TA10 alloy volume, and feature of present invention is,
Comprise the following steps:
(1) TA10 alloy square billet electron-beam cold bed furnace produced is put in hot continuous mill process furnace after milling face, chamfering, reconditioning, crop and is heated, and heat-up time is 220��300min;
(2) the TA10 alloy square billet high pressure water after having heated being carried out de-scaling, the pressure of high pressure water is 18��22MPa;
(3) the TA10 alloy square billet after high-pressure water descaling operation is carried out N1Passage roughing, at front N1Being closed by high pressure descaling water in-1 passage, open high pressure descaling water when last passage roughing, the slab after roughing being completed carries out de-scaling again;
(4) slab after roughing being completed heavily is rolled up, and removes slab end to end with flying shear in heavily volume process;
(5) N is carried out by removing the slab after end to end2Passage finish rolling, adopts osculum high-power blower to be blown by volume face foreign matter and sweeps between finishing mill;
(6), after finish rolling completes, carry out volume face surveying temperature, it is determined that the current size of section cooling;
(7) after section cooling completes, batch involving in row, the TA10 alloy volume of dimension can be obtained.
In step of the present invention (1), the specification of TA10 alloy square billet is 210mm �� (1060��1390mm) �� (7200��8400mm), and the specification behind milling face is (190��208) mm �� (1050��1380mm) �� (7200��8300mm); Hot continuous mill process furnace is by three sections of heating cycles, and wherein one section of Heating temperature is: 940��960 DEG C, and two sections of Heating temperatures are 910��920 DEG C, three sections of Heating temperatures are 730��760 DEG C, wherein one section is first rolling section, and three sections is rear rolling section, and the angle of chamfering is 45 ��.
N in step of the present invention (3)1Value be 5��7, the N when finished product rollback request thickness is 6mm1It is 5, the N when finished product rollback request thickness is 4.5mm1It is 6, the N when finished product rollback request thickness is 3mm1It is 7.
N in step of the present invention (5)2Value be 6��7, the N when finished product rollback request thickness is 6mm2It is 6, the N when finished product rollback request thickness is 4.5mm2It is 6, the N when finished product rollback request thickness is 3mm2It is 7.
In step of the present invention (6), the temperature in face is rolled up in finish rolling after completing is 550��650 DEG C.
Embodiment 1
Target produces the TA10 hot rolling titanium alloy volume of 6.0mm �� 1050mm �� Lmm, electron-beam cold bed furnace is produced specification is: the TA10 alloy square billet of 210mm �� 1060mm �� 8200mm, and the specification after milling face, 45 �� of chamferings, reconditioning, crops is 200mm �� 1050mm �� 8100mm. then processing base is put in hot continuous mill process furnace and heat, heat-up time is 230min, the high pressure water that TA10 alloy square billet pressure after having heated is 20MPa carries out de-scaling, TA10 alloy square billet after de-scaling being completed carries out 5 passage roughing, high pressure descaling water is closed by front 4 passages, high pressure descaling water is opened when last passage roughing, slab after roughing being completed carries out de-scaling again, slab after roughing being completed heavily is rolled up, heavily volume process removes slab end to end with flying shear, undertaken with 6 passage finish rolling by removing the slab after end to end, adopt osculum high-power blower to be blown by volume face foreign matter between finishing mill to sweep, after finish rolling completes, carry out volume face surveying temperature, temperature control is made as 570 �� 20 DEG C. determine the current size of section cooling, after section cooling, batch involving in row, the TA10 alloy volume of dimension can be obtained.
The rolling condition of table 1 rolling TA10 alloy volume
Embodiment 2
Target produces the TA10 hot rolling titanium alloy volume of 4.5mm �� 1250mm �� Lmm, and electron-beam cold bed furnace is produced specification is: the specification of the TA10 alloy square billet of 210mm �� 1260mm �� 8200mm after milling face, 45 �� of chamferings, reconditioning, crops is 200mm �� 1250mm �� 8100mm. then processing base is put in hot continuous mill process furnace and heat, heat-up time is 260min, the high pressure water that TA10 alloy square billet pressure after having heated is 20MPa carries out de-scaling, TA10 alloy preform after de-scaling being completed carries out 6 passage roughing, high pressure descaling water is closed by front 5 passages, high pressure descaling water is opened when last passage roughing, slab after roughing being completed carries out de-scaling again, slab after roughing being completed heavily is rolled up, heavily volume process removes slab end to end with flying shear, undertaken with 6 passage finish rolling by removing the slab after end to end, adopt osculum high-power blower to be blown by volume face foreign matter between finishing mill to sweep, after finish rolling completes, carry out volume face surveying temperature, temperature control is made as 600 �� 20 DEG C. determine the current size of section cooling, after section cooling, batch involving in row, the TA10 alloy volume of dimension can be obtained.
The rolling condition of table 2 rolling TA10 alloy volume
Embodiment 3
Target produces the TA10 hot rolling titanium alloy volume of 3.0mm �� 1380mm �� Lmm, and electron-beam cold bed furnace is produced specification is: the specification of the TA10 alloy preform of 210mm �� 1390mm �� 8200mm after milling face, 45 �� of chamferings, reconditioning, crops is 200mm �� 13800mm �� 8100mm. then processing base is put in hot continuous mill process furnace and heat, heat-up time is 300min, the high pressure water that TA10 alloy square billet pressure after having heated is 20MPa carries out de-scaling, TA10 alloy preform after de-scaling being completed carries out 7 passage roughing, high pressure descaling water is closed by front 6 passages, high pressure descaling water is opened when last passage roughing, slab after roughing being completed carries out de-scaling again, slab after roughing being completed heavily is rolled up, heavily volume process removes slab end to end with flying shear, undertaken with 7 passage finish rolling by removing the slab after end to end, adopt osculum high-power blower to be blown by volume face foreign matter between finishing mill to sweep, after finish rolling completes, carry out volume face surveying temperature, temperature control is made as 650 �� 20 DEG C. determine the current size of section cooling, after section cooling, batch involving in row, the TA10 alloy volume of dimension can be obtained.
The rolling condition of table 3 rolling TA10 alloy volume
The above; it it is only preferred embodiment of the present invention; not the present invention being imposed any restrictions, every change that above embodiment carries out simply amendment, change and equivalent structure according to the technology of the present invention essence, all still belongs in the protection domain of technical solution of the present invention.
Claims (5)
1. produce the method for TA10 alloy volume with hot continuous mill for one kind, it is characterised in that, comprise the following steps:
(1) TA10 alloy square billet electron-beam cold bed furnace produced is put in hot continuous mill process furnace after milling face, chamfering, reconditioning, crop and is heated, and heat-up time is 220��300min;
(2) the TA10 alloy square billet high pressure water after having heated being carried out de-scaling, the pressure of high pressure water is 18��22MPa;
(3) the TA10 alloy square billet after high-pressure water descaling operation is carried out N1Passage roughing, at front N1Being closed by high pressure descaling water in-1 passage, open high pressure descaling water when last passage roughing, the slab after roughing being completed carries out de-scaling again;
(4) slab after roughing being completed heavily is rolled up, and removes slab end to end with flying shear in heavily volume process;
(5) N is carried out by removing the slab after end to end2Passage finish rolling, adopts osculum high-power blower to be blown by volume face foreign matter and sweeps between finishing mill;
(6), after finish rolling completes, carry out volume face surveying temperature, it is determined that the current size of section cooling;
(7) after section cooling completes, batch involving in row, the TA10 alloy volume of dimension can be obtained.
2. the method for TA10 alloy volume is produced by a kind of hot continuous mill according to claim 1, it is characterized in that, in step (1), the specification of TA10 alloy square billet is 210mm �� (1060��1390mm) �� (7200��8400mm), and the specification behind milling face is (190��208) mm �� (1050��1380mm) �� (7200��8300mm); Hot continuous mill process furnace is by three sections of heating cycles, and wherein one section of Heating temperature is: 940��960 DEG C, and two sections of Heating temperatures are 910��920 DEG C, three sections of Heating temperatures are 730��760 DEG C, wherein one section is first rolling section, and three sections is rear rolling section, and the angle of chamfering is 45 ��.
3. the method for TA10 alloy volume is produced by a kind of hot continuous mill according to claim 1, it is characterised in that, N in step (3)1Value be 5��7, the N when finished product rollback request thickness is 6mm1It is 5, the N when finished product rollback request thickness is 4.5mm1It is 6, the N when finished product rollback request thickness is 3mm1It is 7.
4. the method for TA10 alloy volume is produced by a kind of hot continuous mill according to claim 1, it is characterised in that, N in step (5)2Value be 6��7, the N when finished product rollback request thickness is 6mm2It is 6, the N when finished product rollback request thickness is 4.5mm2It is 6, the N when finished product rollback request thickness is 3mm2It is 7.
5. the method for TA10 alloy volume is produced by a kind of hot continuous mill according to claim 1, it is characterised in that, in step (6), the temperature in face is rolled up in finish rolling after completing is 550��650 DEG C.
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| CN105149348A (en) * | 2015-09-07 | 2015-12-16 | 云南钛业股份有限公司 | Method of producing TA10 alloy rolls through twenty-roller cold rolling unit |
| CN105149346A (en) * | 2015-09-07 | 2015-12-16 | 云南钛业股份有限公司 | Method of producing TA10 alloy wire rods through high-speed wire mill |
| CN105728459B (en) * | 2016-03-02 | 2017-12-26 | 湖南湘投金天钛金属有限公司 | A kind of method of conventional hot continuous rolling machine unit production TA18 Ti Alloy Strip volumes |
| CN107760859B (en) * | 2017-10-18 | 2019-05-03 | 云南钛业股份有限公司 | The pure titanium slab soaking zone temperature control method of common stepped heating stove heating |
| CN108838208A (en) * | 2018-04-23 | 2018-11-20 | 舞阳钢铁有限责任公司 | A kind of two fiery milling methods of wide cut TC4 titanium alloy blank |
| CN113000599A (en) * | 2020-12-30 | 2021-06-22 | 云南钛业股份有限公司 | Production method for efficiently rolling titanium alloy wire rod |
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