CN103978292A - Duplex-metal metallurgical composite pipe finished through quadruple welding and process method thereof - Google Patents
Duplex-metal metallurgical composite pipe finished through quadruple welding and process method thereof Download PDFInfo
- Publication number
- CN103978292A CN103978292A CN201410225216.8A CN201410225216A CN103978292A CN 103978292 A CN103978292 A CN 103978292A CN 201410225216 A CN201410225216 A CN 201410225216A CN 103978292 A CN103978292 A CN 103978292A
- Authority
- CN
- China
- Prior art keywords
- layer
- welding
- welded
- alloy
- multiple tube
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L9/00—Rigid pipes
- F16L9/17—Rigid pipes obtained by bending a sheet longitudinally and connecting the edges
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21C—MANUFACTURE OF METAL SHEETS, WIRE, RODS, TUBES OR PROFILES, OTHERWISE THAN BY ROLLING; AUXILIARY OPERATIONS USED IN CONNECTION WITH METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL
- B21C37/00—Manufacture of metal sheets, bars, wire, tubes or like semi-manufactured products, not otherwise provided for; Manufacture of tubes of special shape
- B21C37/06—Manufacture of metal sheets, bars, wire, tubes or like semi-manufactured products, not otherwise provided for; Manufacture of tubes of special shape of tubes or metal hoses; Combined procedures for making tubes, e.g. for making multi-wall tubes
- B21C37/08—Making tubes with welded or soldered seams
- B21C37/0807—Tube treating or manipulating combined with, or specially adapted for use in connection with tube making machines, e.g. drawing-off devices, cutting-off
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K33/00—Specially-profiled edge portions of workpieces for making soldering or welding connections; Filling the seams formed thereby
- B23K33/004—Filling of continuous seams
- B23K33/006—Filling of continuous seams for cylindrical workpieces
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K9/00—Arc welding or cutting
- B23K9/16—Arc welding or cutting making use of shielding gas
- B23K9/173—Arc welding or cutting making use of shielding gas and of a consumable electrode
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K9/00—Arc welding or cutting
- B23K9/18—Submerged-arc welding
- B23K9/186—Submerged-arc welding making use of a consumable electrodes
- B23K9/188—Submerged-arc welding making use of a consumable electrodes making use of several electrodes
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Plasma & Fusion (AREA)
- Arc Welding In General (AREA)
Abstract
Provided are a duplex-metal metallurgical composite pipe finished through quadruple welding and a process method thereof. The composite pipe comprises an alloy layer, a carbon steel layer and a welding seam. A V-shaped groove is milled between the alloy layer and the carbon steel layer on two sides of the welding seam, an X-shaped groove is milled in the carbon steel layer, center welding of the X-shaped groove of the carbon steel layer first adopt pre-welding, an inner welding layer is welded on the inner side of the X-shaped groove, and an outer welding layer is welded on the outer side of the X-shaped groove. The inner welding layer is close to one side of the duplex-metal metallurgical composite pipe, and an alloy layer sealing welding layer is welded between the alloy layer on the two sides of the welding seam. The alloy layer sealing welding layer seals the V-shaped groove and is in metallurgical bonding with the inner welding layer and the carbon steel layer on two sides of the welding seam. The quadruple welding procedures can finish the metallurgical composite pipe welding seam, transition welding between the carbon steel and the alloy layer is not required, and adverse factors caused by excessive welding is avoided.
Description
Technical field
The present invention relates to and conveyance conduit technical field, especially relate to bimetal metallurgy multiple tube and process thereof that a kind of four roads have welded.
Background technology
Under environment harshness, carry while having high-corrosion medium or high concentration corrosive medium under arms, adopt general carbon steel can not meet design period requirement, and adopt the pure materials such as stainless steel, nickel-base alloy or dual phase steel, expense and cost are very expensive.So, for carrying high-corrosion medium, adopt composite bimetal pipe can meet pipeline corrosion resistance, high life and low cost.Composite bimetal pipe mainly comprises mechanical type multiple tube and metallurgy type multiple tube.The bimetal metallurgy multiple tube that this patent has welded mainly for a kind of employing four roads.
Summary of the invention
The object of the invention is to design bimetal metallurgy multiple tube and the process thereof that a kind of novel Si road has welded, address the above problem.
To achieve these goals, the technical solution used in the present invention is as follows:
The bimetal metallurgy multiple tube that a kind of four roads have welded, comprise alloy-layer, carbon steel layer and weld seam, between the described alloy-layer of described weld seam both sides and described carbon steel layer, milling has double V-groove, the milling of described carbon steel layer has X-type groove, the center of described X-type groove is welded with inner pre-layer, the inner side of described X-type groove is welded with interior layer, and the outside of described X-type groove is welded with outer layer;
In the side of described interior layer near described bimetal metallurgy multiple tube inside, and between the described alloy-layer of described weld seam both sides, be welded with alloy-layer soldering and sealing layer; Described alloy-layer soldering and sealing layer seals described double V-groove, and and described interior layer and the described carbon steel layer of described weld seam both sides between metallurgical binding.
The center of described X-type groove is welded with the pre-layer in described inside that adopts the continuously automatic prewelding of gas metal-arc welding the cooling formation of process nature, the inner side of described X-type groove is welded with the described interior layer of the multi-wire submerged-arc automatic welding method formation that adopts 2-5, and the outside of described X-type groove is also welded with the outer layer of the multi-wire submerged-arc automatic welding method formation that adopts 2-5;
In the side of described interior layer near described bimetal metallurgy multiple tube inside, and between the described alloy-layer of described weld line both sides, be welded with the described alloy-layer soldering and sealing layer that adopts electroslag welding method to form.
Two angle of heel scopes of described alloy-layer double V-groove are 15 ° of-35 ゜; A/F scope is 25mm-40mm;
Two angle of heel scopes of described X-type groove are 20 ° of-35 ゜; The opened gap width range of both sides is 0mm-1mm; Root face width range 0.5mm-2.5mm;
The weld width scope 1mm-5mm of the pre-layer in described inside;
The weld width scope of described interior layer is 15mm-25mm;
The weld width scope of described outer layer is 15mm-25mm;
Described carbon steel layer thickness scope is 5mm-30mm;
Described alloy layer thickness scope is 0.5mm-5mm.
A process for the bimetal metallurgy multiple tube that four roads have welded, comprises that step is as follows:
The first step, for the manufacture of the metallurgical composite plate of described bimetal metallurgy multiple tube, along steel plate length direction at the every side milling X-type-double V-groove of edges of boards, every side milling one side double V-groove on alloy-layer length direction, and guarantee that alloying metal removes clean; Every side milling one side milling X-type groove on carbon steel layer length direction;
Second step, rolls into drum joint close;
The 3rd step, prewelding, adopts gas metal-arc welding to carry out continuously prewelding automatically to the commissural center of X-type, and naturally cooling;
The 4th step, interior weldering, from the inner surface of described bimetal metallurgy multiple tube, adopts the multi-wire submerged-arc automatic welding method of 2 to 5 to complete inside weld welding;
The 5th step, outside weld, from the outer surface of described bimetal metallurgy multiple tube, adopts the multi-wire submerged-arc automatic welding method of 2 to 5 to complete outside weld welding;
The 6th step, soldering and sealing, the inner surface from described bimetal metallurgy multiple tube, stretches into welding gun, adopts electroslag welding method to complete alloy-layer weld seam seal welding, realize inner surface alloy-layer and be connected, and with carbon steel pipe inside weld metallurgical binding.
Also comprise the 7th step, through full body machinery expanding, internal layer Passivation Treatment, and the nondestructive testing of corresponding product code requirement and appearance test operation, be generated as the bimetal metallurgy multiple tube that four road Weldings are manufactured.
In second step, before rolling into drum joint close, first pass through JCO technique, or UO technique, or three-roll formation tube-making process reel forming.
JCO technique, UO technique, for a kind of moulding pipe rolling technique of pictograph, all understands in industry.
Metallurgy type ply-metal, be that carbon steel is the same alloy-layer of matrix steel plate (realizing bearing function) (realizing corrosion-resistant function) by certain technique (mechanical hot rolling or the technique such as compound of exploding), between bimetallic interface, form metallurgy type combination.Adopt carbon steel wlding and alloy coupling wlding, by four road welding procedures, realize carbon steel and connect carbon steel, alloy connects alloy, without transition between carbon steel and alloy, thereby raises the efficiency, and saves material, guarantees weldquality, and welding forms bimetal metallurgy multiple tube.
This patent product, stable and reliable product quality, has certain market and technical advantage.Easy, the easy row of welding procedure, efficient, province's material, carry out respectively carbon steel welding and alloy welding, 4 road welding sequences can complete metallurgical multiple tube weld seam, without increasing transition weldering between carbon steel and alloy-layer, thereby the unfavorable factor of avoiding excessive welding, as increased degradation under operation, transition welding heat zone of influence coarse grains, welding seam toughness; And mainly wlding only needs 2 kinds, the banded welding material of carbon steel wlding and alloy, without transition wlding, can save wlding and weld time, improves and produces and tubulation efficiency.
This patent discloses the bimetal metallurgy composite pipe production method that a kind of employing four road welding sequences complete.By metallurgical bimetal composite plate, through the milling of alloy-layer groove, the milling of substrate carbon steel groove, after moulding (JCOE or UO or three roller methods) operation, then pass through base tube carbon steel pipe prewelding, weldering in base tube carbon steel pipe, the outside weld of base tube carbon steel pipe, internal layer soldering and sealing Deng Si road welding sequence, last full body machinery expanding, internal layer Passivation Treatment, check, manufacture and form metallurgical composite bimetal pipe.
Beneficial effect of the present invention can be summarized as follows:
This patent product, stable and reliable product quality, has certain market and technical advantage.Easy, the easy row of welding procedure, efficient, province's material, carry out respectively carbon steel welding and alloy welding, 4 road welding sequences can complete metallurgical multiple tube weld seam, without increasing transition weldering between carbon steel and alloy-layer, thereby the unfavorable factor of avoiding excessive welding, as increased degradation under operation, transition welding heat zone of influence coarse grains, welding seam toughness; And mainly wlding only needs 2 kinds, the banded welding material of carbon steel wlding and alloy, without transition wlding, can save wlding and weld time, improves and produces and tubulation efficiency.
Accompanying drawing explanation
Fig. 1 is the monolateral groove schematic diagram of metallurgy type ply-metal (longitudinal seam);
Fig. 2 is bimetal metallurgy multiple tube (longitudinal seam) groove schematic diagram;
Fig. 3 is bimetal metallurgy multiple tube (longitudinal seam) first welding (prewelding) postwelding schematic diagram;
Fig. 4 is bimetal metallurgy multiple tube (longitudinal seam) second welding (interior weldering) postwelding schematic diagram;
Fig. 5 is bimetal metallurgy multiple tube (longitudinal seam) San road welding (outside weld) postwelding schematic diagram;
Fig. 6 is bimetal metallurgy multiple tube (longitudinal seam) Si road welding (alloy-layer soldering and sealing) postwelding schematic diagram.
The specific embodiment
In order to make technical problem solved by the invention, technical scheme and beneficial effect clearer, below in conjunction with drawings and Examples, the present invention is further elaborated.Should be appreciated that specific embodiment described herein, only in order to explain the present invention, is not intended to limit the present invention.
The bimetal metallurgy multiple tube that a kind of four roads have as shown in Figures 1 to 6 welded, comprise alloy-layer 2, carbon steel layer 1 and weld seam 3, between the described alloy-layer 2 of described weld seam 3 both sides and described carbon steel layer 1, milling has double V-groove, described carbon steel layer 1 milling has X-type groove, the center of described X-type groove is welded with inner pre-layer 4, the inner side of described X-type groove is welded with interior layer 5, and the outside of described X-type groove is welded with outer layer 6; In the side of described interior layer 5 near described bimetal metallurgy multiple tube inside, and between the described alloy-layer 2 of described weld seam 3 both sides, be welded with alloy-layer soldering and sealing layer 7; The described double V-groove of described alloy-layer soldering and sealing layer 7 sealing, and and described interior layer 5 and the described carbon steel layer 1 of described weld seam 3 both sides between metallurgical binding.
In the embodiment being more preferably, the center of described X-type groove is welded with the pre-layer 4 in described inside that adopts the continuously automatic prewelding of gas metal-arc welding the cooling formation of process nature, the inner side of described X-type groove is welded with the described interior layer 5 of the multi-wire submerged-arc automatic welding method formation that adopts 2-5, and the outside of described X-type groove is also welded with the outer layer 6 of the multi-wire submerged-arc automatic welding method formation that adopts 2-5; In the side of described interior layer 5 near described bimetal metallurgy multiple tube inside, and between the described alloy-layer 2 of described weld seam 3 line both sides, be welded with the described alloy-layer soldering and sealing layer 7 that adopts electroslag welding method to form.
In the embodiment being more preferably, two angle of heel scopes of described alloy-layer 2V type groove are 15 ° of-35 ゜; A/F scope is 25mm-40mm; Two angle of heel scopes of described X-type groove are 20 ° of-35 ゜; The opened gap width range of both sides is 0mm-1mm; Root face width range 0.5mm-2.5mm; The weld seam 3 width range 1mm-5mm of the pre-layer 4 in described inside; Weld seam 3 width ranges of described interior layer 5 are 15mm-25mm; Weld seam 3 width ranges of described outer layer 6 are 15mm-25mm; Described carbon steel layer 1 thickness range is 5mm-30mm; Described alloy-layer 2 thickness ranges are 0.5mm-5mm.
A process for the bimetal metallurgy multiple tube that four roads have welded, comprises that step is as follows:
The first step, for the manufacture of the metallurgical composite plate of described bimetal metallurgy multiple tube, along steel plate length direction at the every side milling X-type-double V-groove of edges of boards, every side milling one side double V-groove on alloy-layer 2 length directions, and guarantee that alloying metal removes clean; Every side milling one side milling X-type groove on carbon steel layer 1 length direction;
Second step, rolls into drum joint close;
The 3rd step, prewelding, adopts gas metal-arc welding to carry out continuously prewelding automatically to the commissural center of X-type, and naturally cooling;
The 4th step, interior weldering, from the inner surface of described bimetal metallurgy multiple tube, adopts the multi-wire submerged-arc automatic welding method of 2 to 5 to complete inside weld 3 welding;
The 5th step, outside weld, from the outer surface of described bimetal metallurgy multiple tube, adopts the multi-wire submerged-arc automatic welding method of 2 to 5 to complete outside weld 3 welding;
The 6th step, soldering and sealing, the inner surface from described bimetal metallurgy multiple tube, stretches into welding gun, adopts electroslag welding method to complete alloy-layer 2 weld seam 3 seal weldings, realize inner surface alloy-layer 2 and be connected, and with carbon steel pipe inside weld 3 metallurgical binding.
In the embodiment being more preferably, the process of the bimetal metallurgy multiple tube that described four roads have welded also comprises the 7th step, through full body machinery expanding, internal layer Passivation Treatment, and the nondestructive testing of corresponding product code requirement and appearance test operation, be generated as the bimetal metallurgy multiple tube that four road Weldings are manufactured.
In the embodiment being more preferably, in second step, before rolling into drum joint close, first pass through JCO technique, or UO technique, or three-roll formation tube-making process reel forming.
Bimetal metallurgy multiple tube manufacturing process flow is: alloy-layer 2 groove millings, the milling of substrate carbon steel groove, moulding (JCOE or UO or three roller methods), base tube carbon steel pipe prewelding, weldering in base tube carbon steel pipe, the outside weld of base tube carbon steel pipe, internal layer soldering and sealing, full body machinery expanding, internal layer Passivation Treatment, check, sign.
Metallurgical composite plate first along steel plate length direction (steel pipe is longitudinal) at edges of boards milling X-type-double V-groove, milling double V-groove between alloy-layer 2 and carbon steel layer 1, guarantees that alloying metal removes totally, carbon steel layer 1 milling X-type groove, as shown in Figure 1.Through JCO technique, UO technique, or after the tube-making process moulding such as three-roll formation, roll into drum joint close, as shown in Figure 2; First welding, prewelding, adopts the continuously automatic prewelding of gas metal-arc welding, and naturally cooling, pre-postwelding is as shown in Figure 3; Second welding, interior weldering, from bimetal metallurgy multiple tube inner surface, adopts multifibres (2-5 silk) automatic submerged-arc welding method to complete inside weld 3 welding, and interior postwelding is as shown in Figure 4; The welding of San road, outside weld, from bimetal metallurgy multiple tube outer surface, adopts multifibres (2-5 silk) automatic submerged-arc welding method to complete outside weld 3 welding, and outer postwelding is as shown in Figure 5; The welding of Si road, soldering and sealing, from bimetal metallurgy multiple tube inner surface, stretch into welding gun, adopt electroslag welding (Electro Slag Welding, ESW) method to complete alloy-layer 2 weld seam 3 seal weldings, realize inner surface alloy-layer 2 and be connected, and be connected with carbon steel pipe inside weld 3 is metallurgical, as shown in Figure 6.Pass through subsequently full body machinery expanding, internal layer Passivation Treatment, and the operation such as the nondestructive testing of corresponding product code requirement and appearance test, be the bimetal metallurgy multiple tube that four road Weldings are manufactured.
More than by the detailed description of concrete and preferred embodiment the present invention; but those skilled in the art should be understood that; the present invention is not limited to the above embodiment; within the spirit and principles in the present invention all; any modification of doing, be equal to replacement etc., within protection scope of the present invention all should be included in.
Claims (6)
1. the bimetal metallurgy multiple tube that Yi Zhong tetra-roads have welded, it is characterized in that: comprise alloy-layer, carbon steel layer and weld seam, between the described alloy-layer of described weld seam both sides and described carbon steel layer, milling has double V-groove, the milling of described carbon steel layer has X-type groove, the center of described X-type groove is welded with inner pre-layer, the inner side of described X-type groove is welded with interior layer, and the outside of described X-type groove is welded with outer layer;
In the side of described interior layer near described bimetal metallurgy multiple tube inside, and between the described alloy-layer of described weld seam both sides, be welded with alloy-layer soldering and sealing layer; Described alloy-layer soldering and sealing layer seals described double V-groove, and and described interior layer and the described carbon steel layer of described weld seam both sides between metallurgical binding.
2. the bimetal metallurgy multiple tube that four roads according to claim 1 have welded, it is characterized in that: the center of described X-type groove is welded with the pre-layer in described inside that adopts the continuously automatic prewelding of gas metal-arc welding the cooling formation of process nature, the inner side of described X-type groove is welded with the described interior layer of the multi-wire submerged-arc automatic welding method formation that adopts 2-5, and the outside of described X-type groove is also welded with the outer layer of the multi-wire submerged-arc automatic welding method formation that adopts 2-5;
In the side of described interior layer near described bimetal metallurgy multiple tube inside, and between the described alloy-layer of described weld line both sides, be welded with the described alloy-layer soldering and sealing layer that adopts electroslag welding method to form.
3. the bimetal metallurgy multiple tube that four roads according to claim 1 have welded, is characterized in that:
Two angle of heel scopes of described alloy-layer double V-groove are 15 ° of-35 ゜; A/F scope is 25mm-40mm;
Two angle of heel scopes of described X-type groove are 20 ° of-35 ゜; The opened gap width range of both sides is 0mm-1mm; Root face width range 0.5mm-2.5mm;
The weld width scope 1mm-5mm of the pre-layer in described inside;
The weld width scope of described interior layer is 15mm-25mm;
The weld width scope of described outer layer is 15mm-25mm;
Described carbon steel layer thickness scope is 5mm-30mm;
Described alloy layer thickness scope is 0.5mm-5mm.
4. a process for the bimetal metallurgy multiple tube having welded according to one of any described Si road of claim 1-3, is characterized in that, comprises that step is as follows:
The first step, for the manufacture of the metallurgical composite plate of described bimetal metallurgy multiple tube, along steel plate length direction at the every side milling X-type-double V-groove of edges of boards, every side milling one side double V-groove on alloy-layer length direction, and guarantee that alloying metal removes clean; Every side milling one side milling X-type groove on carbon steel layer length direction;
Second step, rolls into drum joint close;
The 3rd step, prewelding, adopts gas metal-arc welding to carry out continuously prewelding automatically to the commissural center of X-type, and naturally cooling;
The 4th step, interior weldering, from the inner surface of described bimetal metallurgy multiple tube, adopts the multi-wire submerged-arc automatic welding method of 2 to 5 to complete inside weld welding;
The 5th step, outside weld, from the outer surface of described bimetal metallurgy multiple tube, adopts the multi-wire submerged-arc automatic welding method of 2 to 5 to complete outside weld welding;
The 6th step, soldering and sealing, the inner surface from described bimetal metallurgy multiple tube, stretches into welding gun, adopts electroslag welding method to complete alloy-layer weld seam seal welding, realize inner surface alloy-layer and be connected, and with carbon steel pipe inside weld metallurgical binding.
5. the bimetal metallurgy multiple tube that four roads according to claim 4 have welded, it is characterized in that: also comprise the 7th step, through full body machinery expanding, internal layer Passivation Treatment, and the nondestructive testing of corresponding product code requirement and appearance test operation, be generated as the bimetal metallurgy multiple tube that four road Weldings are manufactured.
6. the bimetal metallurgy multiple tube that four roads according to claim 4 have welded, is characterized in that: in second step, before rolling into drum joint close, first pass through JCO technique, or UO technique, or three-roll formation tube-making process reel forming.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410225216.8A CN103978292B (en) | 2014-05-26 | 2014-05-26 | Bimetal metallurgy multiple tube that four roads have welded and process thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410225216.8A CN103978292B (en) | 2014-05-26 | 2014-05-26 | Bimetal metallurgy multiple tube that four roads have welded and process thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103978292A true CN103978292A (en) | 2014-08-13 |
| CN103978292B CN103978292B (en) | 2016-09-28 |
Family
ID=51270594
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410225216.8A Active CN103978292B (en) | 2014-05-26 | 2014-05-26 | Bimetal metallurgy multiple tube that four roads have welded and process thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103978292B (en) |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105135071A (en) * | 2015-08-25 | 2015-12-09 | 江苏众信绿色管业科技有限公司 | Method for manufacturing double-metal composite pipe |
| CN105252116A (en) * | 2015-10-10 | 2016-01-20 | 西安交通大学 | Bi-metal metallurgy composite pipe welding method |
| CN105479187A (en) * | 2016-01-22 | 2016-04-13 | 中建钢构天津有限公司 | Welding method of medium-thickness groove |
| WO2017125070A1 (en) * | 2016-01-20 | 2017-07-27 | 浙江三花智能控制股份有限公司 | Pipe body, pipe and method of making pipe |
| CN110216357A (en) * | 2019-05-28 | 2019-09-10 | 中钢不锈钢管业科技山西有限公司 | A kind of manufacturing method of bimetallic composite welded pipe |
| CN112439982A (en) * | 2020-11-16 | 2021-03-05 | 四川石油天然气建设工程有限责任公司 | X-shaped groove welding process of corrosion-resistant alloy composite pipe |
| CN113878204A (en) * | 2021-10-18 | 2022-01-04 | 唐禹明 | Welding method of stainless steel composite plate |
| CN113996978A (en) * | 2021-12-06 | 2022-02-01 | 河南恒天久大实业有限公司 | Method for simply compounding barrel with low cost |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH03275281A (en) * | 1990-03-22 | 1991-12-05 | Nippon Steel Corp | Welding method for high allow clad steel pipes |
| JPH08243754A (en) * | 1995-03-08 | 1996-09-24 | Nippon Steel Corp | Inner face welding method of clad steel tube |
| CN102303177A (en) * | 2011-07-28 | 2012-01-04 | 四川电力建设三公司 | Construction method for butt-welding of copper-nickel composite tubes |
| CN103170521A (en) * | 2011-12-20 | 2013-06-26 | 北京隆盛泰科石油管科技有限公司 | Method for producing inner liner bimetal composite tube through adopting stepping diameter expansion technology |
| CN103706928A (en) * | 2013-12-25 | 2014-04-09 | 江苏玉龙钢管股份有限公司 | Longitudinal submerged arc welding method of corrosion resistance metallurgical composite bimetal steel tube |
| CN103753030A (en) * | 2014-01-16 | 2014-04-30 | 北京隆盛泰科石油管科技有限公司 | Method for producing clad pipes from metal plates by superposition and mechanical lamination |
| CN203875461U (en) * | 2014-05-26 | 2014-10-15 | 北京隆盛泰科石油管科技有限公司 | Bi-metal metallurgical composite pipe obtained through four welding processes |
-
2014
- 2014-05-26 CN CN201410225216.8A patent/CN103978292B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH03275281A (en) * | 1990-03-22 | 1991-12-05 | Nippon Steel Corp | Welding method for high allow clad steel pipes |
| JPH08243754A (en) * | 1995-03-08 | 1996-09-24 | Nippon Steel Corp | Inner face welding method of clad steel tube |
| CN102303177A (en) * | 2011-07-28 | 2012-01-04 | 四川电力建设三公司 | Construction method for butt-welding of copper-nickel composite tubes |
| CN103170521A (en) * | 2011-12-20 | 2013-06-26 | 北京隆盛泰科石油管科技有限公司 | Method for producing inner liner bimetal composite tube through adopting stepping diameter expansion technology |
| CN103706928A (en) * | 2013-12-25 | 2014-04-09 | 江苏玉龙钢管股份有限公司 | Longitudinal submerged arc welding method of corrosion resistance metallurgical composite bimetal steel tube |
| CN103753030A (en) * | 2014-01-16 | 2014-04-30 | 北京隆盛泰科石油管科技有限公司 | Method for producing clad pipes from metal plates by superposition and mechanical lamination |
| CN203875461U (en) * | 2014-05-26 | 2014-10-15 | 北京隆盛泰科石油管科技有限公司 | Bi-metal metallurgical composite pipe obtained through four welding processes |
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105135071A (en) * | 2015-08-25 | 2015-12-09 | 江苏众信绿色管业科技有限公司 | Method for manufacturing double-metal composite pipe |
| CN105252116A (en) * | 2015-10-10 | 2016-01-20 | 西安交通大学 | Bi-metal metallurgy composite pipe welding method |
| WO2017125070A1 (en) * | 2016-01-20 | 2017-07-27 | 浙江三花智能控制股份有限公司 | Pipe body, pipe and method of making pipe |
| JP2019510634A (en) * | 2016-01-20 | 2019-04-18 | 浙江三花智能控制股▲ふん▼有限公司 | Pipe body, pipe and method of processing pipe |
| US10907752B2 (en) | 2016-01-20 | 2021-02-02 | Zhejiang Sanhua Intelligent Controls Co., Ltd. | Pipe body, pipe and method of making pipe |
| CN105479187A (en) * | 2016-01-22 | 2016-04-13 | 中建钢构天津有限公司 | Welding method of medium-thickness groove |
| CN110216357A (en) * | 2019-05-28 | 2019-09-10 | 中钢不锈钢管业科技山西有限公司 | A kind of manufacturing method of bimetallic composite welded pipe |
| CN112439982A (en) * | 2020-11-16 | 2021-03-05 | 四川石油天然气建设工程有限责任公司 | X-shaped groove welding process of corrosion-resistant alloy composite pipe |
| CN113878204A (en) * | 2021-10-18 | 2022-01-04 | 唐禹明 | Welding method of stainless steel composite plate |
| CN113996978A (en) * | 2021-12-06 | 2022-02-01 | 河南恒天久大实业有限公司 | Method for simply compounding barrel with low cost |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103978292B (en) | 2016-09-28 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103978292A (en) | Duplex-metal metallurgical composite pipe finished through quadruple welding and process method thereof | |
| CN103624378B (en) | Pipeline Hot Wire TIG Welding connects method | |
| CN103331327B (en) | A kind of composite bimetal pipe welding method of girth weld | |
| CN108296305A (en) | A kind of manufacturing method of heavy caliber thick wall composite bimetal pipe | |
| CN101862884A (en) | Pipe-pipe site butt welding method of continuous pipes | |
| CN203875461U (en) | Bi-metal metallurgical composite pipe obtained through four welding processes | |
| CN108526662B (en) | Back-surface-free argon-filling welding method for X groove of large-diameter nickel-based composite pipe | |
| CN203560610U (en) | Mechanical composite pipe with overlay-welded corrosion-resistant alloy layer on pipe end | |
| CN104266003B (en) | A kind of production method of dual-metal clad steel pipe | |
| CN104191183A (en) | Metal composite pipe production method | |
| CN105945525A (en) | Welding forming method of highly corrosion-resistant stainless steel composite tube | |
| CN103574220A (en) | Hydraulic pressure expansion liner corrosion resistant alloy composite tube and manufacturing method thereof | |
| CN104070271B (en) | 15Cr1Mo1V valve body and WB36 pipe arrangement different steel weld method | |
| CN205628935U (en) | Flux cored wire closing device | |
| CN103574221A (en) | Machinery expanding lining anticorrosion alloy composite tube and manufacturing method thereof | |
| CN107234360A (en) | A kind of welding structure and its welding method for realizing the splicing of metal composite pipe equal strength | |
| CN104526121A (en) | Aluminum and aluminum alloy inert-gas shielded welding process suitable for plates of 12 mm thickness | |
| CN106513949A (en) | Non-filling argon protective butt welding method suitable for inner walls of small and medium-diameter austenitic stainless steel pipes | |
| CN103752987B (en) | The welding method of corrosion resistant plate | |
| CN102767654A (en) | Method for sealing welding pipeline by using corrugated flexible sleeve | |
| CN105014203A (en) | Welding process of high-quality carbon steel pipelines | |
| CN105414739B (en) | A kind of tube sheet and the method for pipe big faying face friction soldering and sealing | |
| CN102962557A (en) | Method for welding balancing air leakage pipe of medium-high pressure outer cylinder in turbine | |
| JP6054533B2 (en) | System for the production of clad materials using resistance seam welding | |
| CN105965134A (en) | Pipe welding method |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |