CN104455761A - Nickel-based alloy and carbon steel metallurgical bonding composite welded tube and manufacturing method thereof - Google Patents
Nickel-based alloy and carbon steel metallurgical bonding composite welded tube and manufacturing method thereof Download PDFInfo
- Publication number
- CN104455761A CN104455761A CN201410674177.XA CN201410674177A CN104455761A CN 104455761 A CN104455761 A CN 104455761A CN 201410674177 A CN201410674177 A CN 201410674177A CN 104455761 A CN104455761 A CN 104455761A
- Authority
- CN
- China
- Prior art keywords
- based composite
- nickel
- carbon steel
- base alloy
- layer
- 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.)
- Pending
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
- 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
- B23K9/167—Arc welding or cutting making use of shielding gas and of a non-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
- B23K9/182—Submerged-arc welding making use of a non-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
- B23K2101/00—Articles made by soldering, welding or cutting
- B23K2101/04—Tubular or hollow articles
- B23K2101/06—Tubes
-
- 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
- B23K2103/00—Materials to be soldered, welded or cut
- B23K2103/16—Composite materials, e.g. fibre reinforced
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Plasma & Fusion (AREA)
- General Engineering & Computer Science (AREA)
- Arc Welding In General (AREA)
Abstract
The invention discloses a nickel-based alloy and carbon steel metallurgical bonding composite welded tube and a manufacturing method of the composite welded tube. A straight slit nickel-based composite tube is formed through a hot rolled nickel-based composite plate through the JCOE technology and manufactured through welding. One side of the hot rolled nickel-based composite plate is a nickel-based alloy layer, and the other side of the hot rolled nickel-based composite plate is a carbon steel layer. The nickel-based alloy layer and the carbon steel layer are combined in a hot rolling mode and are in metallurgical bonding. The composite welded tube can be continuously produced, the method is simple, industrial production can be achieved, it is guaranteed that the nickel-based composite tube is resistant to corrosion, and meanwhile, product cost is lowered.
Description
Technical field:
The invention belongs to Material Field, relate to a kind of metal pipe, especially relate to the composite pipe of a kind of nickel-base alloy and carbon steel metallurgy combination, the oil and gas transmission be mainly used in containing aggressive medium is managed.
Background technique:
Oil gas field conveying is containing H
2s, CO
2, Cl
-in medium, easily cause the homogeneous corrosion that pipeline is serious, pitting corrosion, sulfide-stress cracking and hydrogen induced cracking (HIC), thus cause inefficacy and the accident of conveyance conduit, not only cause huge economic loss, and often catastrophic effect served by band, therefore corrosive pipeline environment proposes higher to conveyance conduit, more harsh corrosion-resistant requirement, the corrosion resistance of the carbon steel or low alloy steel tubing that price general charged is cheap is poor, and the stainless steel that corrosion resistance is good, the price of the materials such as nickel-base alloy is high, in order to save the consumption of the high material of price, composite pipe can play good anti-corrosion effect, it is much lower that price compares corrosion resistant alloy, corrosion-resistant composite pipe is adopted to be one of most economical mode.
Nickel-base alloy has superior corrosion resisting property, in oxidizing acid solution and reducibility aqueous slkali, all there is good corrosion resistance, it has higher nickel content, add Mo and Cr, heat resistanceheat resistant sulfuric acid can be more suitable for than any stainless steel, the etch of sulphurous acid and phosphoric acid solution, the etch of its almost salpeter solution of resistance to all concentration and temperature, under 480 DEG C of conditions, nickel-base alloy is the most effective alloys of these corrosion of opposing, its alloying constituent determines it and has superpower corrosion resisting property, Mo and Cr makes it have the ability of resistance to conventional corrosion and spot corrosion, Ni makes it have the ability of the stress corrosion cracking of resistance to chloride, and the static stabilization of Ti ensure that the ability that its anticorrosion stress-resistant ftractures.
Nickel-base alloy composite pipe is because of its superior mechanical property, good corrosion resisting property, a large amount of noble metal Ni-based ultrafine powder can be saved, thus reduce costs, save material, will be widely used in the industrial fields such as petrochemical industry, flue gas desulfurization, chemical industry, environmental protection.
The carbon steel layer that composite bimetal pipe bears mechanical property by outer field and erosion-resisting cladding form, and the domestic pipe-making method generally adopted has spun casting, the cold working diffusion annealing process (as Chinese patent CN201010262830.3, CN03131885.1, CN201010141598.8, CN200910077496.1 and CN02114525.3 etc.) of metallurgy combination at present.
The pipe pipe composite algorithm of mechanical bond, adopts the techniques (as Chinese patent CN200820030155.X, CN02109528.0, CN200920171294.9, CN200710118131.X etc.) such as Explosion composite, hot extrusion, cold-drawn.Because the centrifugal casting of metallurgy combination, cold working homogenizing composite pipe are equivalent to the production technology of weldless tube, general technology is complicated, cost is higher, caliber is less, and body dimensional accuracy, body mechanical property is on the low side.The Ni-based composite steel tube of liner that current domestic production uses is mostly a kind of composite steel tube of mechanical bond, because carbon steel layer and nickel base alloy layer are a kind of mechanical bond states, this just makes it apply to be very limited, the Ni-based composite pipe of mechanical bond, owing to there is gap between base tube and bushing pipe, especially at high temperature, it will cause internal coated layer unstability because expansion coefficient difference between carbon steel and nickel-base alloy and interlayer there is gas, bubbling, when local etching appears in bushing pipe, aggressive medium can infiltrate the gap between base tube and bushing pipe, accelerate corrosive pipeline, the final Security affecting pipeline.
The Clad Steel Plate that hot rolling technology is made, achieve the metallurgy combination of nickel carbon steel layer and carbon steel layer, shapingly by tubing JCO make the Ni-based composite pipe of vertical masonry joint with the method for composite welding, industrialized batch production can be realized, for the oil and gas transmission under corrosive environment.
Summary of the invention:
The object of the invention is to the shortcoming overcoming above-mentioned prior art, composite welded pipe and the manufacture method thereof of a kind of nickel-base alloy and carbon steel metallurgy combination are provided, liner cladding is nickel-base alloy, top layer carbon steel layer is carbon steel, its structure is simple, processing technology is simple, while guarantee cladding corrosion resistance, greatly reduces product cost.
The object of the invention is to solve by the following technical programs:
The composite welded pipe of nickel-base alloy and carbon steel metallurgy combination and a manufacture method thereof, the Ni-based composite pipe of described vertical masonry joint is by the Ni-based composite board of hot rolling by JCOE technological forming, then adopts welding manner to make; The one side of the Ni-based composite board of described hot rolling is nickel base alloy layer, and the another side of the Ni-based composite board of hot rolling is carbon steel layer.
Described nickel base alloy layer and carbon steel layer combine in the mode of hot rolling, and are metallurgy combination between nickel base alloy layer and carbon steel layer.
Described nickel-base alloy layer thickness is 1-3mm.
Described nickel base alloy layer is made up of Incoloy825 alloy, Inconel625 alloy, Hastelloy or monel metal.
Described carbon steel layer is made up of X52 steel, X60 steel, X65 steel or X70 steel.
Described nickel base alloy layer is arranged on inside the Ni-based composite pipe of vertical masonry joint, and carbon steel layer is arranged on outside the Ni-based composite pipe of vertical masonry joint.
The manufacture method of the Ni-based composite pipe of described vertical masonry joint, passes through the shaping Ni-based composite board of mode hot rolling of JCOE by nickel base alloy layer and carbon steel layer, then adopts the method for welding that Ni-based for hot rolling composite board is prepared into vertical masonry joint composite bimetal pipe.
Adopt double V-shaped compound bevel, groove angle is 60-70 °, root face is 8mm, the groove depth of carbon steel layer one side is 8mm, the laminated boss leaving 3.5-4.5mm of nickel-base alloy, the Ni-based composite board of hot rolling completes retaining wall on slope, then shaping, first adopt the technique of double-submerged arc to carry out the welding of carbon steel layer, finally adopt the technique of TIG weldering to weld.
One side is nickel-base alloy by the present invention, and another side is that the Ni-based composite board of hot rolling of carbon steel is shaped to tubulose by the mode that JCOE is shaping, then adopts the method for welding to prepare vertical masonry joint nickel-base alloy composite pipe, sees Fig. 1.
Described cladding sheet material and carbon steel layer sheet material combine in the mode of hot rolling.
Described cladding is the nickel-base alloys such as Incoloy 825 alloy, Inconel 625 alloy, Hastelloy, monel metal, and thickness is 1-3mm; Described carbon steel layer is the carbon steels such as X52, X60, X65, X70.
Beneficial effect of the present invention is: vertical masonry joint nickel-base alloy composite pipe of the present invention, and its liner cladding is nickel-base alloy, and top layer carbon steel layer is carbon steel, and its structure is simple, and processing technology is simple, while guarantee cladding corrosion resistance, greatly reduces product cost.
Accompanying drawing illustrates:
Fig. 1 is vertical masonry joint nickel-base alloy composite pipe structure schematic diagram of the present invention;
Fig. 2 is vertical masonry joint nickel-base alloy composite pipe welding line structure schematic diagram of the present invention;
Wherein: 1 is carbon steel layer; 2 is nickel base alloy layer; 3 is weld seam; 4 is SAW weld seam; 5 is TIG weld seam.
Embodiment:
Below in conjunction with accompanying drawing, the present invention is described in further detail:
See Fig. 1,2, with the Ni-based composite board of nickel-base alloy hot rolling of hot rolling technology compound for sheet material, nickel-base alloy one faces up, carbon steel one faces down, sheet material is aligned, surface treatment, to sheet material both sides according to different welding procedures, process different bevel for weldings, adopt JCOE molding mode that Ni-based for hot rolling composite board is processed into tubulose, recommend a kind of welding procedure tubulation.
Adopt double V-shaped compound bevel, groove angle is 60-70 °, root face is 8mm, the groove depth of carbon steel layer one side is 8mm, the laminated boss (Fig. 2) leaving 3.5-4.5mm of nickel-base alloy, it is then shaping that the Ni-based composite board of hot rolling processes groove, first adopts the method for double-submerged arc to carry out the welding of carbon steel layer, adopts the method for TIG weldering to carry out the welding of cladding and transition layer.
Embodiment
In this enforcement, composite pipe is for the Ni-based composite board of Incoloy 825/X60 hot rolling, adopt the welding procedure of double V-shaped groove, groove angle is 60-70 °, root face is 8mm, the groove depth of carbon steel layer one side is 8mm, the laminated boss leaving 4mm of nickel-base alloy, compound pipe molding post gap is 0.5mm, the wlding of cladding and transition layer is ERNiCrMo-3 (Ф 1.2mm) welding wire, carbon steel layer welding wire is H08E (Ф 4.0mm), and solder flux is SJ101G, and welding parameter is as shown in the table:
Carbon steel layer submerged arc welding test parameters
Nickel base alloy layer submerged arc welding test parameters
Ni-based composite pipe Weld Performance testing result
The invention has the advantages that:
The present invention adopts rational welding procedure, carbon steel layer composition is prevented to be transitioned into nickel cladding, adopt rational bevel design and welding parameter, avoiding nickel carbon steel layer due to welding is heated and component diluent and the decay resistance that causes declines, its mechanical property and decay resistance all reach relevant criterion requirement, and the method is suitable for the industrialized production of Ni-based composite pipe.
The above, it is only preferred embodiment of the present invention, not any pro forma restriction is done to the present invention, although the present invention discloses as above with preferred embodiment, but and be not used to limit the present invention, any those skilled in the art, do not departing within the scope of technical solution of the present invention, when the method and technology contents that can utilize above-mentioned announcement are made a little change or be modified to the Equivalent embodiments of equivalent variations, in every case be the content not departing from technical solution of the present invention, according to any simple modification that technical spirit of the present invention is done above embodiment, equivalent variations and modification, still belong in the scope of technical solution of the present invention.
Claims (8)
1. the composite welded pipe of nickel-base alloy and carbon steel metallurgy combination and a manufacture method thereof, is characterized in that: the Ni-based composite pipe of described vertical masonry joint is by the Ni-based composite board of hot rolling by JCOE technological forming, then adopts welding manner to make; The one side of the Ni-based composite board of described hot rolling is nickel base alloy layer, and the another side of the Ni-based composite board of hot rolling is carbon steel layer.
2. the Ni-based composite pipe of vertical masonry joint as claimed in claim 1, is characterized in that: described nickel base alloy layer and carbon steel layer combine in the mode of hot rolling, and is metallurgy combination between nickel base alloy layer and carbon steel layer.
3. the Ni-based composite pipe of vertical masonry joint as claimed in claim 1, is characterized in that: described nickel-base alloy layer thickness is 1-3mm.
4. the Ni-based composite pipe of vertical masonry joint as claimed in claim 1, is characterized in that: described nickel base alloy layer is made up of Incoloy825 alloy, Inconel625 alloy, Hastelloy or monel metal.
5. the Ni-based composite pipe of vertical masonry joint as claimed in claim 1, is characterized in that: described carbon steel layer is made up of X52 steel, X60 steel, X65 steel or X70 steel.
6. the Ni-based composite pipe of vertical masonry joint as claimed in claim 1, is characterized in that: described nickel base alloy layer is arranged on inside the Ni-based composite pipe of vertical masonry joint, and carbon steel layer is arranged on outside the Ni-based composite pipe of vertical masonry joint.
7. based on the manufacture method of the Ni-based composite pipe of vertical masonry joint described in claim 1,2,3,4,5 or 6, it is characterized in that: nickel base alloy layer and carbon steel layer are passed through the shaping Ni-based composite board of mode hot rolling of JCOE, then adopts the method for welding that Ni-based for hot rolling composite board is prepared into vertical masonry joint composite bimetal pipe.
8. the manufacture method of the Ni-based composite pipe of vertical masonry joint as claimed in claim 7, it is characterized in that: adopt double V-shaped compound bevel, groove angle is 60-70 °, root face is 8mm, and the groove depth of carbon steel layer one side is 8mm, the laminated boss leaving 3.5-4.5mm of nickel-base alloy, the Ni-based composite board of hot rolling completes retaining wall on slope, then shaping, first adopt the technique of double-submerged arc to carry out the welding of carbon steel layer, finally adopt the technique of TIG weldering to weld.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410674177.XA CN104455761A (en) | 2014-11-21 | 2014-11-21 | Nickel-based alloy and carbon steel metallurgical bonding composite welded tube and manufacturing method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410674177.XA CN104455761A (en) | 2014-11-21 | 2014-11-21 | Nickel-based alloy and carbon steel metallurgical bonding composite welded tube and manufacturing method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104455761A true CN104455761A (en) | 2015-03-25 |
Family
ID=52902274
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410674177.XA Pending CN104455761A (en) | 2014-11-21 | 2014-11-21 | Nickel-based alloy and carbon steel metallurgical bonding composite welded tube and manufacturing method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104455761A (en) |
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105798440A (en) * | 2016-05-27 | 2016-07-27 | 宝鸡石油钢管有限责任公司 | Pure titanium or titanium alloy/carbon steel laminar composite plate welding method |
| CN105855669A (en) * | 2016-05-27 | 2016-08-17 | 宝鸡石油钢管有限责任公司 | Butt-welded joint method of double surface coated Incoloy 825 laminated composite plate |
| CN105904069A (en) * | 2016-05-27 | 2016-08-31 | 宝鸡石油钢管有限责任公司 | Butt welding connecting method of laminar composite plate coated with LC2205 stainless steel up and down |
| CN106001956A (en) * | 2016-05-27 | 2016-10-12 | 宝鸡石油钢管有限责任公司 | Manufacturing method of titanium/steel layered compound welded pipe |
| CN106624286A (en) * | 2017-02-16 | 2017-05-10 | 中国石油天然气集团公司 | Manufacturing method of large-wall-thickness nickel-base alloy/carbon steel laminated structure composite pipe |
| CN107538860A (en) * | 2017-09-29 | 2018-01-05 | 江苏天时新材料科技有限公司 | A kind of corrosion resistant metal plate |
| CN107775280A (en) * | 2016-08-29 | 2018-03-09 | 中国石油天然气集团公司 | A kind of manufacture method of N08825 nickel-base alloys composite-curve |
| WO2018196622A1 (en) * | 2017-04-28 | 2018-11-01 | 杰森能源技术有限公司 | High-performance, corrosion-resistant and economical composite steel coiled tubing and manufacturing method therefor |
| CN109563560A (en) * | 2016-08-12 | 2019-04-02 | 奥钢联中厚板有限公司 | Method for producing rolling cladding sheet |
| CN109609857A (en) * | 2018-12-24 | 2019-04-12 | 四川石油天然气建设工程有限责任公司 | A kind of compound hot-bending bends and preparation method thereof |
| FR3125577A1 (en) * | 2021-07-22 | 2023-01-27 | Saipem S.A. | Pipe for the transport of fluids with buckling control of the anti-corrosion internal sleeve |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH08243754A (en) * | 1995-03-08 | 1996-09-24 | Nippon Steel Corp | Inner face welding method of clad steel tube |
| JP2002194466A (en) * | 2000-12-21 | 2002-07-10 | Nkk Corp | Nickel based alloy clad steel and its production method |
| CN101462193A (en) * | 2009-01-09 | 2009-06-24 | 中国石油天然气集团公司 | Method for welding thin layer iron nickel base alloy carbon steel composite tube |
| CN101637983A (en) * | 2008-08-01 | 2010-02-03 | 凌星中 | Metallurgical bonding composite steel pipe, manufacturing method and manufacturing device thereof |
| CN101205994B (en) * | 2006-12-22 | 2012-05-30 | 北京安科管道工程科技有限公司 | Metallic composite pipeline, its manufacture method and continuous etching-resistant pipe formed therefor |
| CN103350124A (en) * | 2013-06-09 | 2013-10-16 | 宝鸡石油钢管有限责任公司 | Manufacturing method of straight-seam bi-metal composite welded pipe used for delivering petroleum and natural gas |
| 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
- 2014-11-21 CN CN201410674177.XA patent/CN104455761A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH08243754A (en) * | 1995-03-08 | 1996-09-24 | Nippon Steel Corp | Inner face welding method of clad steel tube |
| JP2002194466A (en) * | 2000-12-21 | 2002-07-10 | Nkk Corp | Nickel based alloy clad steel and its production method |
| CN101205994B (en) * | 2006-12-22 | 2012-05-30 | 北京安科管道工程科技有限公司 | Metallic composite pipeline, its manufacture method and continuous etching-resistant pipe formed therefor |
| CN101637983A (en) * | 2008-08-01 | 2010-02-03 | 凌星中 | Metallurgical bonding composite steel pipe, manufacturing method and manufacturing device thereof |
| CN101462193A (en) * | 2009-01-09 | 2009-06-24 | 中国石油天然气集团公司 | Method for welding thin layer iron nickel base alloy carbon steel composite tube |
| CN103350124A (en) * | 2013-06-09 | 2013-10-16 | 宝鸡石油钢管有限责任公司 | Manufacturing method of straight-seam bi-metal composite welded pipe used for delivering petroleum and natural gas |
| 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 (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105855669A (en) * | 2016-05-27 | 2016-08-17 | 宝鸡石油钢管有限责任公司 | Butt-welded joint method of double surface coated Incoloy 825 laminated composite plate |
| CN105904069A (en) * | 2016-05-27 | 2016-08-31 | 宝鸡石油钢管有限责任公司 | Butt welding connecting method of laminar composite plate coated with LC2205 stainless steel up and down |
| CN106001956A (en) * | 2016-05-27 | 2016-10-12 | 宝鸡石油钢管有限责任公司 | Manufacturing method of titanium/steel layered compound welded pipe |
| CN105798440A (en) * | 2016-05-27 | 2016-07-27 | 宝鸡石油钢管有限责任公司 | Pure titanium or titanium alloy/carbon steel laminar composite plate welding method |
| CN105904069B (en) * | 2016-05-27 | 2017-12-22 | 宝鸡石油钢管有限责任公司 | It is a kind of up and down cladding LC2205 stainless steel stratiform composite boards to welding connection method |
| CN105855669B (en) * | 2016-05-27 | 2018-01-19 | 宝鸡石油钢管有限责任公司 | A kind of lamellar composite sheet materials of double Surface coating Incoloy 825 to welding connection method |
| CN105798440B (en) * | 2016-05-27 | 2018-04-03 | 宝鸡石油钢管有限责任公司 | A kind of pure titanium or titanium alloy/carbon steel stratiform composite board welding method |
| CN109563560A (en) * | 2016-08-12 | 2019-04-02 | 奥钢联中厚板有限公司 | Method for producing rolling cladding sheet |
| CN107775280B (en) * | 2016-08-29 | 2019-06-11 | 中国石油天然气集团公司 | A kind of manufacturing method of N08825 nickel-base alloy composite-curve |
| CN107775280A (en) * | 2016-08-29 | 2018-03-09 | 中国石油天然气集团公司 | A kind of manufacture method of N08825 nickel-base alloys composite-curve |
| CN106624286A (en) * | 2017-02-16 | 2017-05-10 | 中国石油天然气集团公司 | Manufacturing method of large-wall-thickness nickel-base alloy/carbon steel laminated structure composite pipe |
| WO2018196622A1 (en) * | 2017-04-28 | 2018-11-01 | 杰森能源技术有限公司 | High-performance, corrosion-resistant and economical composite steel coiled tubing and manufacturing method therefor |
| CN107538860A (en) * | 2017-09-29 | 2018-01-05 | 江苏天时新材料科技有限公司 | A kind of corrosion resistant metal plate |
| CN109609857A (en) * | 2018-12-24 | 2019-04-12 | 四川石油天然气建设工程有限责任公司 | A kind of compound hot-bending bends and preparation method thereof |
| CN109609857B (en) * | 2018-12-24 | 2020-01-10 | 四川石油天然气建设工程有限责任公司 | Composite hot-bending elbow and preparation method thereof |
| FR3125577A1 (en) * | 2021-07-22 | 2023-01-27 | Saipem S.A. | Pipe for the transport of fluids with buckling control of the anti-corrosion internal sleeve |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN104455761A (en) | Nickel-based alloy and carbon steel metallurgical bonding composite welded tube and manufacturing method thereof | |
| CN103350124B (en) | A kind of manufacture method of vertical masonry joint bimetallic composite welded pipe of transfer oil natural gas | |
| CN203517040U (en) | Bimetallic composite welded pipe with straight seam | |
| CN103317306B (en) | A kind of manufacture method of spiral seam bimetallic composite welded pipe | |
| CN103540834B (en) | The X65MS/X70MS spiral submerged welded pipe that a kind of anti-SSCC stress corrosion is excellent and manufacture method thereof | |
| CN103752998B (en) | A kind of high-weather-resistamulti-wire multi-wire submerged-arc welded steel pipes for marine environments preparation method | |
| CN104760351A (en) | Carbon steel and austenitic stainless steel combined steel plate and production method thereof | |
| CN103397253B (en) | A kind of high strength X70MS straight-line joint submerged arc welding tube of hydrogen sulfide corrosion-resistant and manufacture method thereof | |
| CN106624286B (en) | A kind of manufacturing method of big wall thickness nickel-base alloy/carbon steel stratiform structure composite pipe | |
| CN104329560A (en) | Corrosion-resistant composite section bar and preparation method thereof | |
| CN107984062A (en) | A kind of welding method of SUS316 austenitic stainless steels and Weldox700E low-alloy quenched and tempered steel different steel welds | |
| CN107900494A (en) | A kind of S32750 super-duplex stainless steels flat cold-rolled sheet self-melting and welding method | |
| WO2023179061A1 (en) | Manufacturing process for plunger pump casing, plunger pump casing, and plunger pump | |
| CN103862243A (en) | Method for manufacturing straight-line thermometal composite welded pipe | |
| CN113088832A (en) | Iron-nickel-based corrosion-resistant alloy continuous tube and manufacturing method thereof | |
| JPS6411106B2 (en) | ||
| CN104070271B (en) | 15Cr1Mo1V valve body and WB36 pipe arrangement different steel weld method | |
| CN109483009B (en) | Manufacturing method of end processing structure of bimetal composite pipe | |
| CN105252170A (en) | Stainless steel submerged-arc welding strip with improved room temperature tensile strength | |
| CN203322515U (en) | Straight-slit compound steel pipe for conveying acid media | |
| CN101928869B (en) | Nickel-iron-chromium-molybdenum alloy | |
| CN109454316A (en) | High temperature high voltage resistant high alloy submerged-arc welding steel pipe welding procedure | |
| CN2547988Y (en) | Bimetallic multiple-unit tube | |
| CN104087834A (en) | Steel for grooving corrosion resistant expansion pipe and preparation method of welding expansion casing | |
| CN107755980B (en) | A kind of manufacturing method of 2205/X65 bimetal metallurgy composite-curve |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20150325 |