CN108044315A - A kind of manufacturing method of heavy caliber bimetallic composite corrosion proof seamless tubular goods - Google Patents
A kind of manufacturing method of heavy caliber bimetallic composite corrosion proof seamless tubular goods Download PDFInfo
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- CN108044315A CN108044315A CN201711329282.XA CN201711329282A CN108044315A CN 108044315 A CN108044315 A CN 108044315A CN 201711329282 A CN201711329282 A CN 201711329282A CN 108044315 A CN108044315 A CN 108044315A
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- titanium
- zirconium
- niobium
- titanium alloy
- steel pipe
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
- B23P15/00—Making specific metal objects by operations not covered by a single other subclass or a group in this subclass
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Abstract
The invention discloses a kind of manufacturing methods of heavy caliber bimetallic composite corrosion proof seamless tubular goods, and the present invention provides a kind of manufacturing methods of heavy caliber titanium (titanium alloy, zirconium, niobium etc.)/bimetal copper-steel composite corrosion proof seamless tubular goods of advantage of lower cost.Using the bimetallic composite corrosion proof seamless tubular goods obtained by the present invention, the anti-corrosion rare precious metal tube layer such as titanium (titanium alloy, zirconium, niobium) can be used as outer tube, can also be used as inner tube.
Description
Technical field
The invention belongs to metal product fields, and in particular to a kind of heavy caliber titanium (titanium alloy, zirconium, niobium etc.)/bimetal copper-steel
The manufacturing method of composite corrosion proof seamless tubular goods.
Background technology
Titanium (titanium alloy, zirconium, niobium etc.) is used as anti-corrosion rare metallic material, although being widely known by the people not as good as copper, iron, aluminium,
Extensive use, but it has many advantages, such as that fusing point is high, corrosion resistance is strong, cold and hot working performance is good, has a series of special purposes, but
It is because its refinement is larger with difficulty of processing, production cost is high, seriously affects it and promotes the use of a large area.In order to both make full use of
Every superior function (particularly high corrosion-resistant) of anti-corrosion rare metallic material, and use cost can be reduced, plate field can
The explosive clad plate of mass production titanium (titanium alloy, zirconium, niobium etc.)/steel, but tubing field is because explosive processing difficulty is big, always
Could not the similar composite seamless tubing product of mass production, the serious scale application for restricting related industries product.The present invention can
To fill up the technological gap in this field.
The content of the invention
The technical problems to be solved by the invention are that a kind of big mouth of advantage of lower cost is provided for the above-mentioned state of the art
The manufacturing method of footpath titanium (titanium alloy, zirconium, niobium etc.)/bimetal copper-steel composite corrosion proof seamless tubular goods.Using double obtained by the present invention
The anti-corrosion rare precious metal tube layer such as seamless tubular goods, titanium (titanium alloy, zirconium, niobium) that metal composite is anti-corrosion can be used as outer tube, can also
As inner tube.
To achieve the above object, the present invention uses following technical scheme：
A kind of manufacturing method of heavy caliber bimetallic composite corrosion proof seamless tubular goods, comprises the following steps：
(1) making of spare outer tube：
Spare outer tube includes steel pipe and titanium tube, and the steel pipe selects thick walled steel tube to process from strand；The preparation side of titanium tube
Method is as follows：
A. titanium (titanium alloy, zirconium, niobium) raw material is selected, titanium ingot (titanium alloy, zirconium, niobium) is made through vacuum melting；
B. titanium ingot (titanium alloy, zirconium, niobium) is forged and is machined and obtain smooth well-balanced bar；
C. thickness is made with three high cross piercing under conditions of temperature is 900 DEG C~1050 DEG C with bar made from step b
Wall pipe；
D. after pipe is aligned again pipe surfaces externally and internally oxide skin is removed with the methods of laser cleaning, polishing or machining extremely
It is spare after suitable specification, vacuum annealing process；
(2) titanium (titanium alloy, zirconium, niobium)/steel pipe base of metallurgical grade is prepared, is included the following steps：
Spare outer tube is placed in vacuum cooling-shell furnace, is first vacuumized, then spare outer tube is preheated, preheating temperature is about 150
~300 degree；Again high temperature melting, remove slag, then will melt remove slag after high-quality titanium (titanium alloy, zirconium, niobium) and steel material poured with centrifuging
The cast pipe inner core of casting, is then fully cooled in vacuum cooling-shell furnace, machined removal surfaces externally and internally defect, you can
Obtain titanium (titanium alloy, zirconium, niobium)/steel pipe base of metallurgical grade；
(3) roll piercing method prepares the seamless hollow forging of titanium (titanium alloy, zirconium, niobium)/steel pipe base, comprises the following steps：
A, using induction furnace and the heating process means of electric furnace heat preservation, strictly electric furnace is controlled to heat by optics temperature measuring device
Temperature ensures titanium (titanium alloy, zirconium, niobium)/steel pipe base homogeneous heating, it is desirable that temperature by technological requirement control heat temperature raising speed
Degree control is at 900 DEG C~1060 DEG C；
B, using three-roll piercer into eleven punch 11, pusher center line, rolling centerline and the mandril for adjusting punch are small
Thrust bearing center line in vehicle, on the same line；
C, it is roll compression strap 30-100mm to come directly towards position, and the control of cooling of plug water pressure is in 0.3-0.8Mpa, guarantee
Top energy Fast Persistence cooling, prevents bored vehicle, card from rolling phenomenon；D, suitable top size is selected, while adjusts top position
It puts, ensures hollow forging wall thickness dimension, controlled rolling speed, speed 0.30-0.55m/s；
The adjusting parameter selection of the three-roll piercer is as follows：δ=12~15%, δ 0=5~9%, α=8~100, δ
For pipe diameter total draught, δ 0 is compression ratio amount before top, and α is roll cone angle.
If making seamless pipe with the method squeezed, it is noted that suitable extrusion ratio, extrusion speed and lubricating system are selected,
The tool and moulds such as extrusion cylinder, pressure ram, pecker, dummy block will configure properly.
Advantages of the present invention：
Using the bimetallic composite seamless tubing obtained by the present invention, the anti-corrosion noble metal pipe such as titanium (titanium alloy, zirconium, niobium)
Layer can be used as outer tube, can also be used as inner tube.The obtained compound nothing of heavy caliber titanium (titanium alloy, zirconium, niobium etc.)/bimetal copper-steel
Slit-tube material is processed because being plastically deformed using metallurgical intensified pressure, and combined strength bination is greater than the intensity of Explosion composite, energy
Meet the requirement of the industries such as petroleum and petrochemical industry, if scale is using that can effectively improve tubing service life, reduce by a relatively large margin comprehensive
Close use cost.
Specific embodiment
Embodiment 1
A kind of manufacturing method of heavy caliber bimetallic composite corrosion proof seamless tubular goods, comprises the following steps：
1st, the making of spare outer tube：
Spare outer tube includes steel pipe and titanium tube, and the steel pipe selects thick walled steel tube to process from strand；The preparation side of titanium tube
Method is as follows：
A. titanium (titanium alloy, zirconium, niobium) raw material is selected, titanium ingot (titanium alloy, zirconium, niobium) is made through vacuum melting；
B. titanium ingot (titanium alloy, zirconium, niobium) is forged and is machined and obtain smooth well-balanced bar；
C. thickness is made with three high cross piercing under conditions of temperature is 900 DEG C~1050 DEG C with bar made from step b
Wall pipe；
D. after pipe is aligned again pipe surfaces externally and internally oxide skin is removed with the methods of laser cleaning, polishing or machining extremely
It is spare after suitable specification, vacuum annealing process；
2nd, titanium (titanium alloy, zirconium, niobium)/steel pipe base of metallurgical grade is prepared, is included the following steps：
Spare outer tube is placed in vacuum cooling-shell furnace, is first vacuumized, then spare outer tube is preheated, preheating temperature is about 150
~300 degree；Again high temperature melting, remove slag, then will melt remove slag after high-quality titanium (titanium alloy, zirconium, niobium) and steel material poured with centrifuging
The cast pipe inner core of casting, is then fully cooled in vacuum cooling-shell furnace, machined removal surfaces externally and internally defect, you can
Obtain titanium (titanium alloy, zirconium, niobium)/steel pipe base of metallurgical grade；
3rd, roll piercing method prepares the seamless hollow forging of titanium (titanium alloy, zirconium, niobium)/steel pipe base, comprises the following steps：
A, using induction furnace and the heating process means of electric furnace heat preservation, strictly electric furnace is controlled to heat by optics temperature measuring device
Temperature ensures titanium (titanium alloy, zirconium, niobium)/steel pipe base homogeneous heating, it is desirable that temperature by technological requirement control heat temperature raising speed
Degree control is at 900 DEG C~1060 DEG C；
B, using three-roll piercer into eleven punch 11, pusher center line, rolling centerline and the mandril for adjusting punch are small
Thrust bearing center line in vehicle, on the same line；
C, it is roll compression strap 30-100mm to come directly towards position, and the control of cooling of plug water pressure is in 0.3-0.8Mpa, guarantee
Top energy Fast Persistence cooling, prevents bored vehicle, card from rolling phenomenon；
D, suitable top size is selected, while adjusts top position, guarantee hollow forging wall thickness dimension, controlled rolling speed,
Speed is 0.30-0.55m/s；
The adjusting parameter selection of the three-roll piercer is as follows：δ=12~15%, δ 0=5~9%, α=8~100, δ
For pipe diameter total draught, δ 0 is compression ratio amount before top, and α is roll cone angle.
If making seamless pipe with the method squeezed, it is noted that suitable extrusion ratio, extrusion speed and lubricating system are selected,
The tool and moulds such as extrusion cylinder, pressure ram, pecker, dummy block will configure properly.
Claims (2)
1. a kind of manufacturing method of heavy caliber bimetallic composite corrosion proof seamless tubular goods, it is characterised in that：Comprise the following steps：
(1) making of spare outer tube：
Spare outer tube includes steel pipe and titanium tube, and the steel pipe selects thick walled steel tube to process from strand；The preparation method of titanium tube is such as
Under：
A. titanium (titanium alloy, zirconium, niobium) raw material is selected, titanium ingot (titanium alloy, zirconium, niobium) is made through vacuum melting；
B. titanium ingot (titanium alloy, zirconium, niobium) is forged and is machined and obtain smooth well-balanced bar；
C. thick-walled pipe is made with three high cross piercing under conditions of temperature is 900 DEG C~1050 DEG C with bar made from step b
Base；
D. pipe surfaces externally and internally oxide skin is removed to suitable with the methods of laser cleaning, polishing or machining after pipe is aligned again
Specification, spare after vacuum annealing process；
(2) titanium (titanium alloy, zirconium, niobium)/steel pipe base of metallurgical grade is prepared, is included the following steps：
Spare outer tube is placed in vacuum cooling-shell furnace, is first vacuumized, then spare outer tube is preheated, preheating temperature is about 150~300
Degree；Again high temperature melting, remove slag, then will melt remove slag after high-quality titanium (titanium alloy, zirconium, niobium) and steel material with centrifugally cast shape
Formula cast tubes inner core, is then fully cooled in vacuum cooling-shell furnace, machined removal surfaces externally and internally defect, you can obtain smelting
Titanium (titanium alloy, zirconium, niobium)/steel pipe base of golden grade；
(3) roll piercing method prepares the seamless hollow forging of titanium (titanium alloy, zirconium, niobium)/steel pipe base, comprises the following steps：
A, using induction furnace and the heating process means of electric furnace heat preservation, electric furnace heating temperature is strictly controlled by optics temperature measuring device
Degree ensures titanium (titanium alloy, zirconium, niobium)/steel pipe base homogeneous heating, it is desirable that temperature by technological requirement control heat temperature raising speed
Control is at 900 DEG C~1060 DEG C；
B, using three-roll piercer into eleven punch 11, in the pusher center line, rolling centerline and mandril trolley of adjusting punch
Thrust bearing center line, on the same line；
C, it is roll compression strap 30-100mm to come directly towards position, and the control of cooling of plug water pressure is in 0.3-0.8Mpa, guarantee top
Energy Fast Persistence cooling, prevents bored vehicle, card from rolling phenomenon；
D, suitable top size is selected, while adjusts top position, ensures hollow forging wall thickness dimension, controlled rolling speed, speed
For 0.30-0.55m/s.
2. a kind of manufacturing method of heavy caliber bimetallic composite corrosion proof seamless tubular goods according to claim 1, feature exist
In：The adjusting parameter selection of the three-roll piercer is as follows：δ=12~15%, δ 0=5~9%, α=8~100, δ are pipe
Base diameter total draught, δ 0 are compression ratio amount before top, and α is roll cone angle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711329282.XA CN108044315A (en) | 2017-12-13 | 2017-12-13 | A kind of manufacturing method of heavy caliber bimetallic composite corrosion proof seamless tubular goods |
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|---|---|---|---|
| CN201711329282.XA CN108044315A (en) | 2017-12-13 | 2017-12-13 | A kind of manufacturing method of heavy caliber bimetallic composite corrosion proof seamless tubular goods |
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Cited By (3)
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| CN108588375A (en) * | 2018-04-17 | 2018-09-28 | 南京金创有色金属科技发展有限公司 | A kind of zirconium-titanium-carbon steel three-layer composite board heat treatment process |
| CN109158762A (en) * | 2018-10-10 | 2019-01-08 | 英诺激光科技股份有限公司 | A kind of recombination laser removal metal oxide layer re-polishing method |
| CN114273456A (en) * | 2021-12-22 | 2022-04-05 | 安徽宝泰特种材料有限公司 | Manufacturing method of large-caliber Gr12 titanium-molybdenum-nickel alloy seamless pipe |
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| CN106425292A (en) * | 2016-08-25 | 2017-02-22 | 泰安博纳金属耐磨技术股份有限公司 | Manufacturing technology of high-performance composite plate |
| CN107299327A (en) * | 2017-07-25 | 2017-10-27 | 北京兴荣源科技有限公司 | A kind of manufacture method of inexpensive niobium pipe target |
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| DE10351451A1 (en) * | 2003-11-04 | 2005-06-16 | Friesen, Waldemar | Pneumatic motor employs a combination of atmospheric pressure and a vacuum to generate rotary motion |
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| CN104209487A (en) * | 2014-09-04 | 2014-12-17 | 张勇弢 | Integral casting method for centrifugal casting of titanium and titanium alloys |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108588375A (en) * | 2018-04-17 | 2018-09-28 | 南京金创有色金属科技发展有限公司 | A kind of zirconium-titanium-carbon steel three-layer composite board heat treatment process |
| CN109158762A (en) * | 2018-10-10 | 2019-01-08 | 英诺激光科技股份有限公司 | A kind of recombination laser removal metal oxide layer re-polishing method |
| CN109158762B (en) * | 2018-10-10 | 2020-10-30 | 英诺激光科技股份有限公司 | Composite laser metal oxide layer removing and repolishing method |
| CN114273456A (en) * | 2021-12-22 | 2022-04-05 | 安徽宝泰特种材料有限公司 | Manufacturing method of large-caliber Gr12 titanium-molybdenum-nickel alloy seamless pipe |
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Application publication date: 20180518 |