CN106001482A - Centrifugal casting bimetal abrasion resistant pipe and preparation method thereof - Google Patents
Centrifugal casting bimetal abrasion resistant pipe and preparation method thereof Download PDFInfo
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- CN106001482A CN106001482A CN201610482163.7A CN201610482163A CN106001482A CN 106001482 A CN106001482 A CN 106001482A CN 201610482163 A CN201610482163 A CN 201610482163A CN 106001482 A CN106001482 A CN 106001482A
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- 238000002360 preparation method Methods 0.000 title claims abstract description 17
- 238000009750 centrifugal casting Methods 0.000 title claims abstract description 8
- 238000005299 abrasion Methods 0.000 title abstract 10
- 229910000975 Carbon steel Inorganic materials 0.000 claims abstract description 51
- 239000010962 carbon steel Substances 0.000 claims abstract description 51
- 229910052804 chromium Inorganic materials 0.000 claims abstract description 51
- 239000011651 chromium Substances 0.000 claims abstract description 51
- 229910001018 Cast iron Inorganic materials 0.000 claims abstract description 50
- 239000007788 liquid Substances 0.000 claims description 56
- 238000000034 method Methods 0.000 claims description 52
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 claims description 48
- 238000005266 casting Methods 0.000 claims description 29
- 238000001816 cooling Methods 0.000 claims description 23
- 239000000463 material Substances 0.000 claims description 18
- 239000000047 product Substances 0.000 claims description 17
- 238000010792 warming Methods 0.000 claims description 14
- 238000000465 moulding Methods 0.000 claims description 9
- 241001062472 Stokellia anisodon Species 0.000 claims description 7
- 239000011248 coating agent Substances 0.000 claims description 7
- 238000000576 coating method Methods 0.000 claims description 7
- 238000013036 cure process Methods 0.000 claims description 7
- 238000005498 polishing Methods 0.000 claims description 7
- 150000001875 compounds Chemical class 0.000 claims description 3
- 239000011265 semifinished product Substances 0.000 claims description 2
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims 1
- 239000000284 extract Substances 0.000 claims 1
- 238000005516 engineering process Methods 0.000 abstract description 3
- 238000004519 manufacturing process Methods 0.000 abstract description 3
- 239000002131 composite material Substances 0.000 description 4
- 230000006978 adaptation Effects 0.000 description 3
- 238000009413 insulation Methods 0.000 description 3
- 229910000831 Steel Inorganic materials 0.000 description 2
- 229910045601 alloy Inorganic materials 0.000 description 2
- 239000000956 alloy Substances 0.000 description 2
- 239000000919 ceramic Substances 0.000 description 2
- 239000003245 coal Substances 0.000 description 2
- 239000002241 glass-ceramic Substances 0.000 description 2
- 229910052751 metal Inorganic materials 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 239000004033 plastic Substances 0.000 description 2
- 229920003023 plastic Polymers 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000004566 building material Substances 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 239000002817 coal dust Substances 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000005272 metallurgy Methods 0.000 description 1
- 239000003921 oil Substances 0.000 description 1
- 238000010422 painting Methods 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 239000004575 stone Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 230000032258 transport Effects 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
- B22D13/00—Centrifugal casting; Casting by using centrifugal force
- B22D13/02—Centrifugal casting; Casting by using centrifugal force of elongated solid or hollow bodies, e.g. pipes, in moulds rotating around their longitudinal axis
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
- B22D19/00—Casting in, on, or around objects which form part of the product
- B22D19/16—Casting in, on, or around objects which form part of the product for making compound objects cast of two or more different metals, e.g. for making rolls for rolling mills
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Heat Treatment Of Articles (AREA)
Abstract
The invention discloses a centrifugal casting bimetal abrasion resistant pipe. The centrifugal casting bimetal abrasion resistant pipe comprises an outer sleeve and a liner pipe, wherein the outer sleeve is fixedly arranged outside the liner pipe in a sleeving manner; the outer sleeve and the liner pipe are firmly combined; the outer sleeve adopts carbon steel; and the liner pipe adopts high-chromium cast iron. According to the centrifugal casting bimetal abrasion resistant pipe, the outer sleeve is manufactured through adopting carbon steel with excellent mechanical property, the liner pipe is manufactured through adopting high-chromium cast iron with high abrasion resistance, and the excellent mechanical property of carbon steel and high abrasion resistance of high-chromium cast iron are perfectly combined, so that the abrasion resistant pipe has ultralong service life and excellent abrasion resistant, and the cost is low. The invention further provides a preparation method of the centrifugal casting bimetal abrasion resistant pipe. According to the preparation method of the centrifugal casting bimetal abrasion resistant pipe, the technology is simple, the production cost is low, and the competitiveness of enterprises is favorably improved.
Description
Technical field
The present invention relates to wear-resistant pipe technical field, specifically a kind of spun casting bimetal wear resistant pipe and preparation method thereof.
Background technology
When the material that employing common pipe conveying grindability is big (such as lime-ash, coal dust, tantalite power etc.), there is pipe wear
Fast problem, particularly bend loss are worn and torn faster, cause pipeline often to need and change, and maintenance cost is high.In order to solve this
Problem, market occurs in that wear-resistant pipe.Nowadays wear-resistant pipe be widely used for the filling in mine material of serious wear, tantalite power and
Mine tailing transports, and the abrasion-proof pipe such as coal fired thermal power plant powder feeding, slagging-off, defeated ash is the most most suitable.Abrasion-proof pipe conveying throughout
The industries such as electric power, metallurgy, coal, oil, chemical industry, building materials, machinery, and develop at high speed.
Along with development in science and technology, the material of wear-resistant pipe is also constantly brought forth new ideas, and existing wear-resistant pipe kind has: glass-ceramic tubre,
Composite casting madreporic canal, wear-resisting alloy pipe, steel-plastics composite pipe, steel and rubber compound tube, wear resistance ceramic tube etc..Glass-ceramic tubre and composite cast stone
Pipe heavier mass, installs inconvenience, and wear-resisting alloy pipe is short, relatively costly for service life, steel rubber, steel-plastics composite pipe wearability
Poor, although the performance of wear resistance ceramic tube wearability is good, but with high costs, and wearing layer is relatively thin.Market demand one cost
Low, length in service life and the good wear-resistant pipe of wearability.
Summary of the invention
It is an object of the invention to provide a kind of spun casting bimetal wear resistant pipe and preparation method thereof, to solve above-mentioned background skill
The problem proposed in art.
For achieving the above object, the present invention provides following technical scheme:
A kind of spun casting bimetal wear resistant pipe, including trocar sheath and internal lining pipe, described trocar sheath fixed cover is located at outside internal lining pipe,
Being firmly combined with between the two, the material of described trocar sheath is carbon steel, and the material of described internal lining pipe is rich chromium cast iron, and employing has
The carbon steel of superior mechanical performance makes trocar sheath, and uses the rich chromium cast iron with high-wear resistance to make internal lining pipe, thus will
The superior mechanical performance of carbon steel and the high-wear resistance perfect adaptation of rich chromium cast iron, make this wear-resistant pipe have the use longevity of overlength
Life, excellent anti-wear performance, and low cost.
As the further scheme of the present invention: the carbon steel used by described trocar sheath selected from following model: 15#, 20#, 25#,
WCB、WCC、16Mn、20Mn2、25Mn。
As the present invention further scheme: the rich chromium cast iron used by described internal lining pipe selected from following model: KmTBCr12,
KmTBCr15Mo、KmTBCr20Mo、KmTBCr26。
The preparation method of described spun casting bimetal wear resistant pipe, step is as follows:
1) two intermediate frequency furnaces are used to smelt the carbon steel liquid making trocar sheath and the rich chromium cast iron liquid making internal lining pipe respectively；
2) centrifuge mould is heated to 200～350 DEG C, and centrifuge mould wall of die cavity coat 1.6～
The coating that 2.5mm is thick；
3) use centrifugal casting compound metallurgical method that the carbon steel liquid smelted and rich chromium cast iron liquid are cast into centrifuge mould successively
Mold cavity in, and cooling molding after the shell of acquisition is extracted；
4) shell is carried out successively cure process and destressing processes, it is thus achieved that semifinished tube；
5) semifinished tube is carried out tack process, the semi-finished product to obtain the semifinished tube of appropriate length, after tack is processed
Pipe carries out cylindrical polishing burr and processes, it is thus achieved that finished product wear-resistant pipe.
As the further scheme of the present invention: step 3) detailed process be: carbon steel liquid and rich chromium cast iron liquid are both heated to
The degree of superheat is 50～100 DEG C, is first poured into by carbon steel liquid in the mold cavity of centrifuge mould, after separated in time,
In the mold cavity of centrifuge mould, pour into a mould rich chromium cast iron liquid, after cooling molding, the shell of acquisition is extracted.
As the present invention further scheme: step 4) in, hardening process is: shell is warming up to 920～
1060 DEG C, it is incubated 2～6h, air cooling of coming out of the stove；Destressing process method is: shell is warming up to 200～300 DEG C, insulation
2～6h, furnace cooling.
Compared with prior art, the invention has the beneficial effects as follows:
1, the bimetal wear resistant pipe that prepared by the present invention, is firmly combined with between its trocar sheath and internal lining pipe double layer of metal, uses tool
The carbon steel having superior mechanical performance makes trocar sheath, uses the rich chromium cast iron with high-wear resistance to make internal lining pipe, thus will
The superior mechanical performance of carbon steel and the high-wear resistance perfect adaptation of rich chromium cast iron, make this wear-resistant pipe have the service life of overlength
With excellent anti-wear performance；
2, the preparation method of bimetal wear resistant pipe of the present invention, technique is simple, and production cost is low, is conducive to improving the competing of enterprise
Strive power.
Accompanying drawing explanation
Fig. 1 is the structural representation of spun casting bimetal wear resistant pipe.
In figure: 1-trocar sheath, 2-internal lining pipe.
Detailed description of the invention
Below in conjunction with detailed description of the invention, technical scheme is described in more detail.
Embodiment 1
Referring to Fig. 1, a kind of spun casting bimetal wear resistant pipe, including trocar sheath 1 and internal lining pipe 2, described trocar sheath 1
Fixed cover is located at outside internal lining pipe 2, is firmly combined with between the two, and the material of described trocar sheath 1 is carbon steel, described internal lining pipe 2
Material be rich chromium cast iron；
Carbon steel model used by described trocar sheath 1 is WCC；
Rich chromium cast iron model used by described internal lining pipe 2 is KmTBCr26.
The product specification of prepared spun casting bimetal wear resistant pipe is(outer layer 10mm+ internal layer 13mm)
*2500mm。
The preparation method of the pipe of spun casting bimetal wear resistant described in the present embodiment, step is as follows:
1) two intermediate frequency furnaces are used to smelt the carbon steel liquid making trocar sheath 1 and the rich chromium cast iron liquid making internal lining pipe 2 respectively；
2) centrifuge mould is heated to 200 DEG C, and it is thick to coat 1.6mm at the wall of die cavity of centrifuge mould
Coating；
3) the carbon steel liquid needed for calculating according to product specification and the weight of rich chromium cast iron liquid, be first poured into centrifugal by carbon steel liquid
In the mold cavity of machine mould, the temperature of carbon steel liquid is 1540 DEG C, after separated in time, to the mould type of centrifuge mould
Intracavity cast rich chromium cast iron liquid, the temperature of rich chromium cast iron liquid is 1330 DEG C, is extracted by the shell of acquisition after cooling molding；
4) shell is carried out successively cure process and destressing processes, it is thus achieved that semifinished tube, wherein, hardening process
For: shell is warming up to 920 DEG C, is incubated 2h, air cooling of coming out of the stove；Destressing process method is: shell is warming up to 200 DEG C,
Insulation 2h, furnace cooling；
5) semifinished tube is carried out tack process, with by the length scaling of semifinished tube as 2500mm, to tack process after
Semifinished tube carries out cylindrical polishing burr and processes, it is thus achieved that finished product wear-resistant pipe.
Embodiment 2
Referring to Fig. 1, a kind of spun casting bimetal wear resistant pipe, including trocar sheath 1 and internal lining pipe 2, described trocar sheath 1
Fixed cover is located at outside internal lining pipe 2, is firmly combined with between the two, and the material of described trocar sheath 1 is carbon steel, described internal lining pipe 2
Material be rich chromium cast iron；
Carbon steel model used by described trocar sheath 1 is WCC；
Rich chromium cast iron model used by described internal lining pipe 2 is KmTBCr26.
The product specification of prepared spun casting bimetal wear resistant pipe is(outer layer 10mm+ internal layer 13mm)
*2500mm。
The preparation method of the pipe of spun casting bimetal wear resistant described in the present embodiment, step is as follows:
1) two intermediate frequency furnaces are used to smelt the carbon steel liquid making trocar sheath 1 and the rich chromium cast iron liquid making internal lining pipe 2 respectively；
2) centrifuge mould is heated to 280 DEG C, and in painting thick for the wall of die cavity coating 2mm of centrifuge mould
Material；
3) the carbon steel liquid needed for calculating according to product specification and the weight of rich chromium cast iron liquid, be first poured into centrifugal by carbon steel liquid
In the mold cavity of machine mould, the temperature of carbon steel liquid is 1600 DEG C, after separated in time, to the mould type of centrifuge mould
Intracavity cast rich chromium cast iron liquid, the temperature of rich chromium cast iron liquid is 1410 DEG C, is extracted by the shell of acquisition after cooling molding；
4) shell is carried out successively cure process and destressing processes, it is thus achieved that semifinished tube, wherein, hardening process
For: shell is warming up to 970 DEG C, is incubated 4h, air cooling of coming out of the stove；Destressing process method is: shell is warming up to 250 DEG C,
Insulation 4h, furnace cooling；
5) semifinished tube is carried out tack process, with by the length scaling of semifinished tube as 2500mm, to tack process after
Semifinished tube carries out cylindrical polishing burr and processes, it is thus achieved that finished product wear-resistant pipe.
Embodiment 3
Referring to Fig. 1, a kind of spun casting bimetal wear resistant pipe, including trocar sheath 1 and internal lining pipe 2, described trocar sheath 1
Fixed cover is located at outside internal lining pipe 2, is firmly combined with between the two, and the material of described trocar sheath 1 is carbon steel, described internal lining pipe 2
Material be rich chromium cast iron；
Carbon steel model used by described trocar sheath 1 is 15#；
Rich chromium cast iron model used by described internal lining pipe 2 is KmTBCr12.
The product specification of prepared spun casting bimetal wear resistant pipe is(outer layer 11mm+ internal layer 14mm)
*2000mm。
The preparation method of the pipe of spun casting bimetal wear resistant described in the present embodiment, step is as follows:
1) two intermediate frequency furnaces are used to smelt the carbon steel liquid making trocar sheath 1 and the rich chromium cast iron liquid making internal lining pipe 2 respectively；
2) centrifuge mould is heated to 350 DEG C, and it is thick to coat 2.5mm at the wall of die cavity of centrifuge mould
Coating；
3) the carbon steel liquid needed for calculating according to product specification and the weight of rich chromium cast iron liquid, be first poured into centrifugal by carbon steel liquid
In the mold cavity of machine mould, the temperature of carbon steel liquid is 1620 DEG C, after separated in time, to the mould type of centrifuge mould
Intracavity cast rich chromium cast iron liquid, the temperature of rich chromium cast iron liquid is 1450 DEG C, is extracted by the shell of acquisition after cooling molding；
4) shell is carried out successively cure process and destressing processes, it is thus achieved that semifinished tube, wherein, hardening process
For: shell is warming up to 1060 DEG C, is incubated 6h, air cooling of coming out of the stove；Destressing process method is: be warming up to by shell
300 DEG C, it is incubated 6h, furnace cooling；
5) semifinished tube is carried out tack process, with by the length scaling of semifinished tube as 2000mm, to tack process after
Semifinished tube carries out cylindrical polishing burr and processes, it is thus achieved that finished product wear-resistant pipe.
Embodiment 4
Referring to Fig. 1, a kind of spun casting bimetal wear resistant pipe, including trocar sheath 1 and internal lining pipe 2, described trocar sheath 1
Fixed cover is located at outside internal lining pipe 2, is firmly combined with between the two, and the material of described trocar sheath 1 is carbon steel, described internal lining pipe 2
Material be rich chromium cast iron；
Carbon steel model used by described trocar sheath 1 is 16Mn；
Rich chromium cast iron model used by described internal lining pipe 2 is KmTBCr15Mo.
The product specification of prepared spun casting bimetal wear resistant pipe is(outer layer 11mm+ internal layer 14mm)
*3000mm。
The preparation method of the pipe of spun casting bimetal wear resistant described in the present embodiment, step is as follows:
1) two intermediate frequency furnaces are used to smelt the carbon steel liquid making trocar sheath 1 and the rich chromium cast iron liquid making internal lining pipe 2 respectively；
2) centrifuge mould is heated to 260 DEG C, and it is thick to coat 1.8mm at the wall of die cavity of centrifuge mould
Coating；
3) the carbon steel liquid needed for calculating according to product specification and the weight of rich chromium cast iron liquid, be first poured into centrifugal by carbon steel liquid
In the mold cavity of machine mould, the temperature of carbon steel liquid is 1590 DEG C, after separated in time, to the mould type of centrifuge mould
Intracavity cast rich chromium cast iron liquid, the temperature of rich chromium cast iron liquid is 1380 DEG C, is extracted by the shell of acquisition after cooling molding；
4) shell is carried out successively cure process and destressing processes, it is thus achieved that semifinished tube, wherein, hardening process
For: shell is warming up to 1000 DEG C, is incubated 3h, air cooling of coming out of the stove；Destressing process method is: be warming up to by shell
280 DEG C, it is incubated 4h, furnace cooling；
5) semifinished tube is carried out tack process, with by the length scaling of semifinished tube as 3000mm, to tack process after
Semifinished tube carries out cylindrical polishing burr and processes, it is thus achieved that finished product wear-resistant pipe.
Embodiment 5
Referring to Fig. 1, a kind of spun casting bimetal wear resistant pipe, including trocar sheath 1 and internal lining pipe 2, described trocar sheath 1
Fixed cover is located at outside internal lining pipe 2, is firmly combined with between the two, and the material of described trocar sheath 1 is carbon steel, described internal lining pipe 2
Material be rich chromium cast iron；
Carbon steel model used by described trocar sheath 1 is 25Mn；
Rich chromium cast iron model used by described internal lining pipe 2 is KmTBCr20Mo.
The product specification of prepared spun casting bimetal wear resistant pipe is(outer layer 12mm+ internal layer 16mm)
*2500mm。
The preparation method of the pipe of spun casting bimetal wear resistant described in the present embodiment, step is as follows:
1) two intermediate frequency furnaces are used to smelt the carbon steel liquid making trocar sheath 1 and the rich chromium cast iron liquid making internal lining pipe 2 respectively；
2) centrifuge mould is heated to 310 DEG C, and it is thick to coat 2.2mm at the wall of die cavity of centrifuge mould
Coating；
3) the carbon steel liquid needed for calculating according to product specification and the weight of rich chromium cast iron liquid, be first poured into centrifugal by carbon steel liquid
In the mold cavity of machine mould, the temperature of carbon steel liquid is 1600 DEG C, after separated in time, to the mould type of centrifuge mould
Intracavity cast rich chromium cast iron liquid, the temperature of rich chromium cast iron liquid is 1400 DEG C, is extracted by the shell of acquisition after cooling molding；
4) shell is carried out successively cure process and destressing processes, it is thus achieved that semifinished tube, wherein, hardening process
For: shell is warming up to 1040 DEG C, is incubated 5h, air cooling of coming out of the stove；Destressing process method is: be warming up to by shell
260 DEG C, it is incubated 4h, furnace cooling；
5) semifinished tube is carried out tack process, with by the length scaling of semifinished tube as 2500mm, to tack process after
Semifinished tube carries out cylindrical polishing burr and processes, it is thus achieved that finished product wear-resistant pipe.
Bimetal wear resistant pipe prepared by the present invention, is firmly combined with between its trocar sheath 1 and internal lining pipe 2 double layer of metal, uses tool
The carbon steel having superior mechanical performance makes trocar sheath 1, uses the rich chromium cast iron with high-wear resistance to make internal lining pipe 2, from
And by the high-wear resistance perfect adaptation of the superior mechanical performance of carbon steel Yu rich chromium cast iron, make this wear-resistant pipe have the use of overlength
Life-span and excellent anti-wear performance；The preparation method of bimetal wear resistant pipe of the present invention, technique is simple, and production cost is low, favorably
In the competitiveness improving enterprise.
Above the better embodiment of the present invention is explained in detail, but the present invention is not limited to above-mentioned embodiment,
In the ken that those of ordinary skill in the art is possessed, it is also possible to make each on the premise of without departing from present inventive concept
Plant change.
Claims (6)
1. a spun casting bimetal wear resistant pipe, it is characterised in that include trocar sheath (1) and internal lining pipe (2), institute
State trocar sheath (1) fixed cover and be located at internal lining pipe (2) outward, be firmly combined with between the two, the material of described trocar sheath (1)
For carbon steel, the material of described internal lining pipe (2) is rich chromium cast iron.
Spun casting bimetal wear resistant pipe the most according to claim 1, it is characterised in that described trocar sheath (1) institute
Carbon steel selected from following model: 15#, 20#, 25#, WCB, WCC, 16Mn, 20Mn2,25Mn.
Spun casting bimetal wear resistant pipe the most according to claim 2, it is characterised in that described internal lining pipe (2) institute
Rich chromium cast iron selected from following model: KmTBCr12, KmTBCr15Mo, KmTBCr20Mo, KmTBCr26.
4. the preparation method of the spun casting bimetal wear resistant pipe as described in claim 1-3 is arbitrary, it is characterised in that
Step is as follows:
1) two intermediate frequency furnaces are used to smelt the carbon steel liquid making trocar sheath (1) and the high chromium casting making internal lining pipe (2) respectively
Ferrum liquid；
2) centrifuge mould is heated to 200～350 DEG C, and centrifuge mould wall of die cavity coat 1.6～
The coating that 2.5mm is thick；
3) use centrifugal casting compound metallurgical method that the carbon steel liquid smelted and rich chromium cast iron liquid are cast into centrifuge mould successively
Mold cavity in, and cooling molding after the shell of acquisition is extracted；
4) shell is carried out successively cure process and destressing processes, it is thus achieved that semifinished tube；
5) semifinished tube is carried out tack process, the semi-finished product to obtain the semifinished tube of appropriate length, after tack is processed
Pipe carries out cylindrical polishing burr and processes, it is thus achieved that finished product wear-resistant pipe.
The preparation method of spun casting bimetal wear resistant pipe the most according to claim 4, it is characterised in that step 3)
Detailed process be: carbon steel liquid and rich chromium cast iron liquid are both heated to the degree of superheat is 50～100 DEG C, first by carbon steel liquid pour into a mould
Enter in the mold cavity of centrifuge mould, after separated in time, in the mold cavity of centrifuge mould, pour into a mould rich chromium cast iron
Liquid, extracts the shell of acquisition after cooling molding.
The preparation method of spun casting bimetal wear resistant pipe the most according to claim 5, it is characterised in that step 4)
In, hardening process is: shell is warming up to 920～1060 DEG C, is incubated 2～6h, air cooling of coming out of the stove；At destressing
Reason method is: shell is warming up to 200～300 DEG C, is incubated 2～6h, furnace cooling.
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| CN201610482163.7A CN106001482A (en) | 2016-06-28 | 2016-06-28 | Centrifugal casting bimetal abrasion resistant pipe and preparation method thereof |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107617730A (en) * | 2017-08-31 | 2018-01-23 | 西安工程大学 | A kind of wear-and corrosion-resistant composite steel tube and preparation method thereof |
| CN108145116A (en) * | 2017-12-29 | 2018-06-12 | 江苏共昌轧辊股份有限公司 | A kind of double-deck and Multi-layer centrifugal composite casting heavy caliber high alloy tubing preparation method |
| CN108372281A (en) * | 2018-03-28 | 2018-08-07 | 北京鼎翰科技有限公司 | A kind of tubing casting method based on stainless steel and carbon steel bimetallic mixed liquor |
| CN109732063A (en) * | 2018-12-28 | 2019-05-10 | 河南科技大学 | A kind of preparation method of Zn-Al-Fe alloy composite bushing containing pseudo-alloy transition layer |
| CN113275534A (en) * | 2021-05-20 | 2021-08-20 | 燕山大学 | Manufacturing device for ultra-thick-wall large-caliber corrugated pipe and machining method thereof |
| CN118162594A (en) * | 2024-05-10 | 2024-06-11 | 上海天海复合气瓶有限公司 | A high-strength gas cylinder casting process |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1759956A (en) * | 2005-10-27 | 2006-04-19 | 西安建筑科技大学 | Method for manufacturing bimetal composite wear resistant tube through centrifugal molding double fluids |
| CN101073822A (en) * | 2007-06-27 | 2007-11-21 | 西安建筑科技大学 | Method for producing ultrathin and ultralong centrifugal metallurgical composite double-metal pipe |
| CN101592265A (en) * | 2009-07-03 | 2009-12-02 | 郑州神牛铸造有限公司 | Bimetal wear resistant composite tube |
| CN101927327A (en) * | 2010-08-26 | 2010-12-29 | 傅德生 | Manufacture technology of bimetal composite pipe |
| CN102240897A (en) * | 2011-05-09 | 2011-11-16 | 新兴铸管股份有限公司 | Method for manufacturing water-cooling type double-metal pipe die |
| CN102335734A (en) * | 2011-09-15 | 2012-02-01 | 王惠臣 | Method for centrifugal composite casting of bimetal grinding roller/grinding ring of Ramon mill |
| CN205032214U (en) * | 2015-08-04 | 2016-02-17 | 营口市老边铸钢厂 | Compound roller of high strength |
-
2016
- 2016-06-28 CN CN201610482163.7A patent/CN106001482A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1759956A (en) * | 2005-10-27 | 2006-04-19 | 西安建筑科技大学 | Method for manufacturing bimetal composite wear resistant tube through centrifugal molding double fluids |
| CN101073822A (en) * | 2007-06-27 | 2007-11-21 | 西安建筑科技大学 | Method for producing ultrathin and ultralong centrifugal metallurgical composite double-metal pipe |
| CN101592265A (en) * | 2009-07-03 | 2009-12-02 | 郑州神牛铸造有限公司 | Bimetal wear resistant composite tube |
| CN101927327A (en) * | 2010-08-26 | 2010-12-29 | 傅德生 | Manufacture technology of bimetal composite pipe |
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