CN109127727A - The fiery heating rolling method of titanium plate material two after 500mm thickness titanium ingot split rolling method - Google Patents
The fiery heating rolling method of titanium plate material two after 500mm thickness titanium ingot split rolling method Download PDFInfo
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- CN109127727A CN109127727A CN201811101756.XA CN201811101756A CN109127727A CN 109127727 A CN109127727 A CN 109127727A CN 201811101756 A CN201811101756 A CN 201811101756A CN 109127727 A CN109127727 A CN 109127727A
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- heating
- rolling
- titanium
- titanium plate
- plate material
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- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 title claims abstract description 117
- 229910052719 titanium Inorganic materials 0.000 title claims abstract description 117
- 239000010936 titanium Substances 0.000 title claims abstract description 117
- 238000005096 rolling process Methods 0.000 title claims abstract description 105
- 238000010438 heat treatment Methods 0.000 title claims abstract description 73
- 238000000034 method Methods 0.000 title claims abstract description 57
- 239000000463 material Substances 0.000 title claims abstract description 33
- 238000011084 recovery Methods 0.000 claims abstract description 13
- 238000002791 soaking Methods 0.000 claims abstract description 8
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 10
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims description 7
- 238000003801 milling Methods 0.000 claims description 7
- 229910052760 oxygen Inorganic materials 0.000 claims description 7
- 239000001301 oxygen Substances 0.000 claims description 7
- 238000004381 surface treatment Methods 0.000 claims description 2
- 238000004519 manufacturing process Methods 0.000 abstract description 9
- 238000005516 engineering process Methods 0.000 description 5
- 238000007373 indentation Methods 0.000 description 5
- 238000010792 warming Methods 0.000 description 5
- 230000006378 damage Effects 0.000 description 3
- 229910000831 Steel Inorganic materials 0.000 description 1
- 208000027418 Wounds and injury Diseases 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 208000014674 injury Diseases 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 238000004321 preservation Methods 0.000 description 1
- 238000012827 research and development Methods 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 229910052723 transition metal Inorganic materials 0.000 description 1
- 150000003624 transition metals Chemical class 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21B—ROLLING OF METAL
- B21B1/00—Metal-rolling methods or mills for making semi-finished products of solid or profiled cross-section; Sequence of operations in milling trains; Layout of rolling-mill plant, e.g. grouping of stands; Succession of passes or of sectional pass alternations
- B21B1/22—Metal-rolling methods or mills for making semi-finished products of solid or profiled cross-section; Sequence of operations in milling trains; Layout of rolling-mill plant, e.g. grouping of stands; Succession of passes or of sectional pass alternations for rolling plates, strips, bands or sheets of indefinite length
- B21B1/30—Metal-rolling methods or mills for making semi-finished products of solid or profiled cross-section; Sequence of operations in milling trains; Layout of rolling-mill plant, e.g. grouping of stands; Succession of passes or of sectional pass alternations for rolling plates, strips, bands or sheets of indefinite length in a non-continuous process
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21B—ROLLING OF METAL
- B21B3/00—Rolling materials of special alloys so far as the composition of the alloy requires or permits special rolling methods or sequences ; Rolling of aluminium, copper, zinc or other non-ferrous metals
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Metal Rolling (AREA)
Abstract
The invention discloses a kind of fiery heating rolling methods of titanium plate material two after 500mm thickness titanium ingot split rolling method, and the method includes heating and rolling process；The heating process, using two fire heating, after titanium plate material after titanium ingot split rolling method is surface-treated, heating furnace under micro-positive pressure, weak oxide atmosphere is heated, 1.5~2.0h is kept the temperature at being first 450~550 DEG C in preheating section temperature, then is rapidly heated with 1.5~2.0h to 850~900 DEG C in bringing-up section, keeps the temperature 5.5~6.0h at being finally 850~900 DEG C in soaking section temperature, titanium plate material comes out of the stove 180 ° of rotation back into 0.5~1.0h of stove heating after heating, then rolling of coming out of the stove.Titanium plate rolling template of the present invention is good, and surface neat and tidy is pressed into without edge folding and foreign matter, has excellent performance, and improves lumber recovery, meets the demand of subsequent Rolling Production special requirement titanium.
Description
Technical field
The invention belongs to metal material processing technical fields, and in particular to the titanium after a kind of 500mm thickness titanium ingot split rolling method
The fiery heating rolling method of plate two.
Background technique
Titanium is a kind of argenteous transition metal, and specific strength is high, there is good corrosion resistance.Due to its stable chemistry
Property, good high temperature resistant, low temperature resistant, anti-strong acid, anti-highly basic and high intensity are widely used in aerospace, offshore oil
The fields such as exploitation, chemical industry, medical treatment.Therefore the research-and-development activity of titanium plate heat processing technique shows extremely important；And titanium ingot
Heating process be its hot worked premise.
However, the heating process of titanium plate material makes titanium ingot due to heating unevenly after existing 500mm titanium ingot split rolling method
Occur discount often during the rolling process or upwarp phenomenon, will cause the damage of titanium plate material and roll when serious, lead to not
Normal process and use；Meanwhile existing two fiery heating process, be accompanied by edge Fold, seriously affect titanium plate at
Material rate and production efficiency.
Therefore the heating process for developing titanium plate material after a kind of titanium ingot split rolling method, solves that heating is uneven, titanium ingot is rolling
Occur discount in the process or upwarp phenomenon, titanium plate material and rolls damage and improve edge Fold, to improve titanium plate
Lumber recovery, have biggish economic benefit and social benefit.
Summary of the invention
The technical problem to be solved in the present invention is to provide the two fire heating of titanium plate material after a kind of 500mm thickness titanium ingot split rolling method
Milling method.
In order to solve the above technical problems, the technical solution used in the present invention is: after a kind of 500mm thickness titanium ingot split rolling method
The fiery heating rolling method of titanium plate material two, the method includes heating and rolling process；The heating process is added using two fire
Heat is heated after the titanium plate material after titanium ingot split rolling method is surface-treated in heating furnace, is first 450 in preheating section temperature
1.5~2.0h is kept the temperature at~550 DEG C, then is rapidly heated with 1.5~2.0h to 850~900 DEG C, finally in soaking zone in bringing-up section
Temperature be 850~900 DEG C at keep the temperature 5.5~6.0h, after heating titanium plate material come out of the stove rotation 180 ° back into stove heating 0.5~
1.0h, then rolling of coming out of the stove.
Heating process of the present invention, after surface treatment, the heating furnace under micro-positive pressure, weak oxide atmosphere is added
Heat, the micro-positive pressure are 10~20Pa, and the oxygen content of the weak oxide atmosphere is 2~5%.
Rolling process of the present invention, 650~700 DEG C of start rolling temperature.
Rolling process of the present invention, the operation of rolling use high pressure water dephosphorization, and high-pressure water pressure is 10~15MPa.
Rolling process of the present invention, it is 10~15% that first three road of rolling rolls reduction ratio per pass, be can be obtained after rolling
Titanium plate.
Titanium panel length is 4000~4200mm after titanium ingot split rolling method of the present invention, and width is 2000~2200mm,
With a thickness of 190~200mm.
Titanium plate material is after of the present invention two fiery heating rollings with a thickness of 20~30mm.
The method of the invention titanium plate lumber recovery is promoted to 95% or more.
Titanium plate material product inspection method produced by the invention refers to ASTM B265.
The beneficial effects of adopting the technical scheme are that 1, physics of the present invention according to titanium at high operating temperatures
Characteristic carries out de-scaling and cooling to titanium plate using high pressure water by control heating and uniform heating process, and during the rolling process, reduces
The oxide skins on two fire rolling titanium plate surfaces, remove the sundries on titanium plate surface, effectively prevents titanium plate during the rolling process
Discount upwarps phenomenon, substantially reduces the injury to roll；Titanium plate material, which is come out of the stove, after especially heating rotates 180 ° back into furnace
0.5~1.0h, then rolling of coming out of the stove are heated, can more effectively prevent the heating of titanium ingot two sides uneven.2, titanium plate rolling of the present invention
Template is good, and surface neat and tidy is pressed into without edge folding and foreign matter, has excellent performance, and improves lumber recovery, meets subsequent roll
The demand of system production special requirement titanium.3, the method for the invention titanium plate lumber recovery is promoted to 95% or more.
Detailed description of the invention
Fig. 1 is titanium plate figure after the fiery heating rolling of embodiment 1 two.
Specific embodiment
The present invention is described in further detail in the following with reference to the drawings and specific embodiments.
Embodiment 1
The fiery heating rolling method of titanium plate material two after 500mm thickness titanium ingot split rolling method of the present invention includes heating and rolling process, tool
That steps are as follows is described for body technology:
(1) heating process: choosing the titanium plate after split rolling method that a length of 4000mm, thickness 190mm, width are 2000mm, is packed into
Continuous-type furnace, heating furnace furnace pressure is micro-positive pressure 16Pa, oxygen content 2%, is heated；First in preheating section temperature
It is to keep the temperature 1.5h at 450 DEG C, then be warming up to 850 DEG C with the heating-up time of 1.5h in bringing-up section, is finally 850 in soaking section temperature
5.5h is kept the temperature at DEG C, rotated after coming out of the stove 180 ° melt down heating 0.5h again after come out of the stove rolling；
(2) rolling process: using the dephosphorization of 10MPa high pressure water, and 650 DEG C of start rolling temperature, previous three passes reduction ratio is respectively 10%,
12%, 15%, the titanium plate, titanium plate thickness 20mm can be obtained after rolling.
The template of titanium plate obtained by the present embodiment is good, and surface neat and tidy folds and foreign matter indentation, performance are excellent without edge
It is different: yield strength 415MPa, tensile strength 502MPa, elongation percentage 30%.Titanium plate figure is shown in Fig. 1 (titanium plate in embodiment 2-5
Figure is similar with Fig. 1, therefore omits), meet the demand of subsequent Rolling Production special requirement titanium, titanium plate lumber recovery 96%.
Embodiment 2
The fiery heating rolling method of titanium plate material two after 500mm thickness titanium ingot split rolling method of the present invention includes heating and rolling process, tool
That steps are as follows is described for body technology:
(1) heating process: choosing the titanium plate after split rolling method that a length of 4050mm, thickness 192mm, width are 2050mm, is packed into
Continuous-type furnace, heating furnace furnace pressure is micro-positive pressure 17Pa, oxygen content 3%, is heated；First in preheating section temperature
It is to keep the temperature 1.6h at 470 DEG C, then be warming up to 860 DEG C with the heating-up time of 1.6h in bringing-up section, is finally 860 in soaking section temperature
5.6h is kept the temperature at DEG C, rotated after coming out of the stove 180 ° melt down heating 0.6h again after come out of the stove rolling；
(2) rolling process: using the dephosphorization of 11MPa high pressure water, and 660 DEG C of start rolling temperature, previous three passes reduction ratio is respectively 11%,
12%, 14%, the titanium plate, titanium plate thickness 22mm can be obtained after rolling.
The template of titanium plate obtained by the present embodiment is good, and surface neat and tidy folds and foreign matter indentation, performance are excellent without edge
Different: yield strength 379MPa, tensile strength 460MPa, elongation percentage 34% meet subsequent Rolling Production special requirement titanium
Demand, titanium plate lumber recovery 98%.
Embodiment 3
The fiery heating rolling method of titanium plate material two after 500mm thickness titanium ingot split rolling method of the present invention includes heating and rolling process, tool
That steps are as follows is described for body technology:
(1) heating process: choosing the titanium plate after split rolling method that a length of 4010mm, thickness 195mm, width are 2060mm, is packed into
Continuous-type furnace, heating furnace furnace pressure is micro-positive pressure 18Pa, oxygen content 4%, is heated；First in preheating section temperature
It is to keep the temperature 1.7h at 480 DEG C, then be warming up to 870 DEG C with the heating-up time of 1.7h in bringing-up section, is finally 870 in soaking section temperature
5.8h is kept the temperature at DEG C, rotated after coming out of the stove 180 ° melt down heating 0.8h again after come out of the stove rolling；
(2) rolling process: using the dephosphorization of 12MPa high pressure water, and 670 DEG C of start rolling temperature, previous three passes reduction ratio is respectively 10%,
13%, 15%, the titanium plate, titanium plate thickness 25mm can be obtained after rolling.
The template of titanium plate obtained by the present embodiment is good, and surface neat and tidy folds and foreign matter indentation, performance are excellent without edge
Different: yield strength 379MPa, tensile strength 460MPa, elongation percentage 34% meet subsequent Rolling Production special requirement titanium
Demand, titanium plate lumber recovery 97%.
Embodiment 4
The fiery heating rolling method of titanium plate material two after 500mm thickness titanium ingot split rolling method of the present invention includes heating and rolling process, tool
That steps are as follows is described for body technology:
(1) heating process: choosing the titanium plate after split rolling method that a length of 4100mm, thickness 200mm, width are 2100mm, is packed into
Continuous-type furnace, heating furnace furnace pressure is micro-positive pressure 10Pa, oxygen content 5%, is heated；First in preheating section temperature
It is to keep the temperature 1.8h at 500 DEG C, then be warming up to 890 DEG C with the heating-up time of 1.8h in bringing-up section, is finally 890 in soaking section temperature
DEG C heat preservation 6.0h, rotated after coming out of the stove 180 ° melt down heating 0.9h again after come out of the stove rolling；
(2) rolling process: using the dephosphorization of 14MPa high pressure water, and 680 DEG C of start rolling temperature, previous three passes reduction ratio is respectively 11%,
12%, 14%, the titanium plate, titanium plate thickness 27mm can be obtained after rolling.
The template of titanium plate obtained by the present embodiment is good, and surface neat and tidy folds and foreign matter indentation, performance are excellent without edge
Different: yield strength 379MPa, tensile strength 460MPa, elongation percentage 34% meet subsequent Rolling Production special requirement titanium
Demand, titanium plate lumber recovery 95%.
Embodiment 5
The fiery heating rolling method of titanium plate material two after 500mm thickness titanium ingot split rolling method of the present invention includes heating and rolling process, tool
That steps are as follows is described for body technology:
(1) heating process: choosing the titanium plate after split rolling method that a length of 4200mm, thickness 198mm, width are 2200mm, is packed into
Continuous-type furnace, heating furnace furnace pressure is micro-positive pressure 20Pa, oxygen content 4%, is heated；First in preheating section temperature
It is to keep the temperature 2.0h at 550 DEG C, then be warming up to 900 DEG C with the heating-up time of 2.0h in bringing-up section, is finally 900 in soaking section temperature
6.0h is kept the temperature at DEG C, rotated after coming out of the stove 180 ° melt down heating 1.0h again after come out of the stove rolling.
(2) rolling process: the dephosphorization of 15MPa high pressure water is used, 700 DEG C of start rolling temperature, previous three passes reduction ratio is respectively
11%, 13%, 15%, the titanium plate, titanium plate thickness 30mm can be obtained after rolling.
The template of titanium plate obtained by the present embodiment is good, and surface neat and tidy folds and foreign matter indentation, performance are excellent without edge
Different: yield strength 372MPa, tensile strength 455MPa, elongation percentage 36% meet subsequent Rolling Production special requirement titanium
Demand, titanium plate lumber recovery 96%.
Lumber recovery statistical description of the present invention: when Hebei steel mill is using conventional heating milling method production titanium plate, through counting,
There is discount, upwarp and edge Fold in average 80 batches in every 100 batch.After this method, through counting, often
There is discount, upwarp and edge Fold in average most 5 batches in 100 batches.It can be seen that this method is effectively promoted
The template quality of product, titanium plate lumber recovery reach 95% or more.
The above embodiments are only used to illustrate and not limit the technical solutions of the present invention, although referring to above-described embodiment to this hair
It is bright to be described in detail, those skilled in the art should understand that: still the present invention can be modified or be waited
With replacement, without departing from the spirit or scope of the invention, or any substitutions, should all cover in power of the invention
In sharp claimed range.
Claims (8)
1. a kind of fiery heating rolling method of titanium plate material two after 500mm thickness titanium ingot split rolling method, which is characterized in that the method packet
Include heating and rolling process；The heating process is heated using two fire, and the titanium plate material after titanium ingot split rolling method is surface-treated
Afterwards, it is heated in heating furnace, keeps the temperature 1.5~2.0h at being first 450~550 DEG C in preheating section temperature, then in bringing-up section with 1.5
~2.0h is rapidly heated to 850~900 DEG C, 5.5~6.0h is kept the temperature at being finally 850~900 DEG C in soaking section temperature, after heating
Titanium plate material comes out of the stove 180 ° of rotation back into 0.5~1.0h of stove heating, then rolling of coming out of the stove.
2. the fiery heating rolling method of titanium plate material two after a kind of 500mm thickness titanium ingot split rolling method according to claim 1,
It is characterized in that, the heating process, after surface treatment, the heating furnace under micro-positive pressure, weak oxide atmosphere is heated, described
Micro-positive pressure is 10~20Pa, and the oxygen content of the weak oxide atmosphere is 2~5%.
3. the fiery heating rolling method of titanium plate material two after a kind of 500mm thickness titanium ingot split rolling method according to claim 1,
It is characterized in that, the rolling process, 650~700 DEG C of start rolling temperature.
4. the two fire heating of titanium plate material after a kind of 500mm thickness titanium ingot split rolling method according to claim 1 to 3
Milling method, which is characterized in that the rolling process, the operation of rolling use high pressure water dephosphorization, high-pressure water pressure be 10~
15MPa。
5. the two fire heating of titanium plate material after a kind of 500mm thickness titanium ingot split rolling method according to claim 1 to 3
Milling method, which is characterized in that the rolling process, it is 10~15% that preceding the 3 of rolling roll reduction ratio per pass.
6. the two fire heating of titanium plate material after a kind of 500mm thickness titanium ingot split rolling method according to claim 1 to 3
Milling method, which is characterized in that after the titanium ingot split rolling method titanium panel length be 4000~4200mm, width be 2000~
2200mm, with a thickness of 190~200mm.
7. the two fire heating of titanium plate material after a kind of 500mm thickness titanium ingot split rolling method according to claim 1 to 3
Milling method, which is characterized in that titanium plate material is after described two fiery heating rollings with a thickness of 25~30mm.
8. the two fire heating of titanium plate material after a kind of 500mm thickness titanium ingot split rolling method according to claim 1 to 3
Milling method, which is characterized in that the method titanium plate lumber recovery is promoted to 95% or more.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811101756.XA CN109127727A (en) | 2018-09-20 | 2018-09-20 | The fiery heating rolling method of titanium plate material two after 500mm thickness titanium ingot split rolling method |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811101756.XA CN109127727A (en) | 2018-09-20 | 2018-09-20 | The fiery heating rolling method of titanium plate material two after 500mm thickness titanium ingot split rolling method |
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| CN109127727A true CN109127727A (en) | 2019-01-04 |
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| CN201811101756.XA Pending CN109127727A (en) | 2018-09-20 | 2018-09-20 | The fiery heating rolling method of titanium plate material two after 500mm thickness titanium ingot split rolling method |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111020429A (en) * | 2019-12-14 | 2020-04-17 | 舞阳钢铁有限责任公司 | Heat treatment method for large-thickness ultra-wide TA1 titanium plate of ingot finished material |
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| CN107116102A (en) * | 2017-05-23 | 2017-09-01 | 舞阳钢铁有限责任公司 | A kind of heating production method of big thickness titanium base |
| CN107262524A (en) * | 2017-05-27 | 2017-10-20 | 舞阳钢铁有限责任公司 | A kind of heating rolling production method of titanium plate |
| CN108356088A (en) * | 2018-03-20 | 2018-08-03 | 洛阳双瑞精铸钛业有限公司 | A kind of production and processing method of pure titanium large-sized plates material |
| CN108465703A (en) * | 2018-04-02 | 2018-08-31 | 舞阳钢铁有限责任公司 | A kind of heating rolling method of titanium plate material |
-
2018
- 2018-09-20 CN CN201811101756.XA patent/CN109127727A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107116102A (en) * | 2017-05-23 | 2017-09-01 | 舞阳钢铁有限责任公司 | A kind of heating production method of big thickness titanium base |
| CN107262524A (en) * | 2017-05-27 | 2017-10-20 | 舞阳钢铁有限责任公司 | A kind of heating rolling production method of titanium plate |
| CN108356088A (en) * | 2018-03-20 | 2018-08-03 | 洛阳双瑞精铸钛业有限公司 | A kind of production and processing method of pure titanium large-sized plates material |
| CN108465703A (en) * | 2018-04-02 | 2018-08-31 | 舞阳钢铁有限责任公司 | A kind of heating rolling method of titanium plate material |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111020429A (en) * | 2019-12-14 | 2020-04-17 | 舞阳钢铁有限责任公司 | Heat treatment method for large-thickness ultra-wide TA1 titanium plate of ingot finished material |
| CN111020429B (en) * | 2019-12-14 | 2021-08-24 | 舞阳钢铁有限责任公司 | Heat treatment method for large-thickness ultra-wide TA1 titanium plate of ingot finished material |
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Application publication date: 20190104 |