CN106090451A - A kind of high-wear-resistancehigh-strength high-strength longitudinal submerged arc welded pipe - Google Patents
A kind of high-wear-resistancehigh-strength high-strength longitudinal submerged arc welded pipe Download PDFInfo
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- CN106090451A CN106090451A CN201610410789.7A CN201610410789A CN106090451A CN 106090451 A CN106090451 A CN 106090451A CN 201610410789 A CN201610410789 A CN 201610410789A CN 106090451 A CN106090451 A CN 106090451A
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- steel plate
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- submerged arc
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- 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
- F16L9/02—Rigid pipes of metal
-
- 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
-
- 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
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/02—Ferrous alloys, e.g. steel alloys containing silicon
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/04—Ferrous alloys, e.g. steel alloys containing manganese
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/08—Ferrous alloys, e.g. steel alloys containing nickel
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/12—Ferrous alloys, e.g. steel alloys containing tungsten, tantalum, molybdenum, vanadium, or niobium
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/14—Ferrous alloys, e.g. steel alloys containing titanium or zirconium
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/16—Ferrous alloys, e.g. steel alloys containing copper
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/18—Ferrous alloys, e.g. steel alloys containing chromium
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/18—Ferrous alloys, e.g. steel alloys containing chromium
- C22C38/32—Ferrous alloys, e.g. steel alloys containing chromium with boron
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- General Engineering & Computer Science (AREA)
- Arc Welding In General (AREA)
Abstract
nullThe invention discloses a kind of high-wear-resistancehigh-strength high-strength longitudinal submerged arc welded pipe，Prepared by bimetallic clad steel plate，Bimetallic clad steel plate includes basic unit's carbon steel steel plate and coating metal steel plate，Basic unit's carbon steel steel plate meter，Its chemical composition is: C 0.04 0.06%、Si 0.30 0.35%、Mn 1.40 1.60%、Ni 0.30 0.40%、Cr 0.10 0.20%、Mo 0.10 0.20%、Nb 0.05 0.07%、P≤0.010%、S≤0.002%、Cu≤0.30%、Ti≤0.02%、N≤0.005%、B≤0.005%、Surplus is ferrum and inevitable impurity，Coating metal steel plate materials is selected from 304L、316L、316LN、One in alloy 825.The mesh high-wear-resistancehigh-strength high-strength longitudinal submerged arc welded pipe of the present invention, there is the advantages such as intensity is high, globality is strong, compressive property good, wearability is good, meet deep-sea oil gas conveyance conduit to steel pipe requirement in terms of the high reliability such as high-ductility, high intensity, obdurability, wearability.
Description
Technical field
The present invention relates to a kind of high-wear-resistancehigh-strength high-strength longitudinal submerged arc welded pipe, belong to technique of pipe field.
Background technology
Longitudinal submerged arc welded pipe is widely used in land and the oil in seabed, natural gas, petrochemical industry, mining, electric power, base
Build the fields such as engineering, steel construction and water supply.The emphasis of world oil exploration in recent years is turned to ocean by land, shallow sea turn to deeply
Sea, deep-sea oil gas exploration and development technology has become the hot issue of Present Global energy field research.Abyssal environment is sufficiently complex,
Submarine pipeline to pipe line steel material, pipeline welding, construct, maintenance etc. proposes than land higher requirement.Therefore, deep-sea steel
The indexs such as the intensity of pipe, toughness, compressive property, wearability, decay resistance are compared terrestrial pipeline and are suffered from strict requirements.
Summary of the invention
It is an object of the invention to overcome the deficiencies in the prior art, it is provided that a kind of high-wear-resistancehigh-strength high-strength longitudinal submerged arc welded pipe,
Having the advantages such as intensity is high, globality is strong, compressive property good, wearability is good, mechanical properties of pipe is stable, uniform, impact flexibility
Excellence, drop weight tearing function admirable, meet deep-sea oil gas conveyance conduit to steel pipe in high-ductility, high intensity, obdurability, wearability
Etc. the requirement in terms of high reliability.
To achieve these goals, the present invention adopts the following technical scheme that
A kind of high-wear-resistancehigh-strength high-strength longitudinal submerged arc welded pipe, described longitudinal submerged arc welded pipe is by bimetallic clad steel plate system
, bimetallic clad steel plate includes basic unit's carbon steel steel plate and coating metal steel plate, described basic unit carbon steel steel plate
Meter, its chemical composition is: C 0.04-0.06%, Si 0.30-0.35%, Mn 1.40-1.60%, Ni 0.30-0.40%, Cr
0.10-0.20%, Mo 0.10-0.20%, Nb 0.05-0.07%, P≤0.010%, S≤0.002%, Cu≤0.30%, Ti
≤ 0.02%, N≤0.005%, B≤0.005%, surplus are ferrum and inevitable impurity, described coating metal steel plate materials
One in 304L, 316L, 316LN, alloy 825.
Described basic unit carbon steel steel plate and coating metal steel plate use hot rolling technology to prepare bimetallic clad steel plate.Make basic unit
Carbon steel steel plate is fully integrated together with the metallographic structure of coating metal steel plate, improves steel pipe overall performance.
Described high-wear-resistancehigh-strength high-strength longitudinal submerged arc welded pipe, manufacturing process includes: bimetallic clad steel plate milling limit, pre-bending
Limit, JCO molding, joint close prewelding, submerged arc Nei Han basic unit carbon steel steel plate, the inspection of submerged arc outside weld coating metal steel plate, for the first time ultrasound wave
Look into, X-ray examination, machinery expanding, the water pressure test, chamfered edge, retaining wall on slope, for the second time ultrasound investigation, for the second time X are penetrated for the first time
Ray examination, pipe end magnetic particle inspection, aligning and presentation quality inspection.
During described submerged arc Nei Han basic unit's carbon steel steel plate, the welding wire of welding is the one in HO8CG, H08D, H08DG, and solder flux is
One in SJ101, SJ101G.
During described submerged arc outside weld coating metal steel plate welding welding wire be H00Cr21Ni10, H0Cr20Ni10Ti,
One in H00Cr19Ni12Mo2, solder flux is the one in HJ260, SJ601.
Compared with the prior art, beneficial effects of the present invention is as follows:
The high-wear-resistancehigh-strength high-strength longitudinal submerged arc welded pipe of the present invention, is prepared by bimetallic clad steel plate, bimetallic clad steel
Plate includes basic unit's carbon steel steel plate and coating metal steel plate, and basic unit's carbon steel steel plate board composition is with low C, high Mn, by adding in a subtle way
The microalloy elements such as amount Nb, Ti, B, a small amount of Mo, Cr and Cu, Ni alloying element, it is ensured that basic unit's carbon steel steel plate has excellent resisting and answers
Degeneration can be with excellent low-temperature flexibility；The high-wear-resistancehigh-strength high-strength longitudinal submerged arc welded pipe of the present invention, has intensity height, globality
By force, the advantage such as compressive property is good, wearability is good, mechanical properties of pipe is stable, uniform, and impact flexibility is excellent, drop weight tearing performance
Excellent, longitudinal submerged arc welded pipe body yield strength is 600-700MPa, and tensile strength is 700-850MPa, elongation percentage >=
50%, meet deep-sea oil gas conveyance conduit to steel pipe in terms of the high reliability such as high-ductility, high intensity, obdurability, wearability
Requirement.
Detailed description of the invention
Below in conjunction with embodiment, the present invention is further illustrated, but the present invention is not limited only to these embodiments, not
On the premise of departing from present inventive concept, within any improvement made all falls within protection scope of the present invention.
Embodiment 1:
A kind of high-wear-resistancehigh-strength high-strength longitudinal submerged arc welded pipe, described longitudinal submerged arc welded pipe is by bimetallic clad steel plate system
, bimetallic clad steel plate includes basic unit's carbon steel steel plate and coating metal steel plate, described basic unit carbon steel steel plate
Meter, its chemical composition is: C 0.04-0.06%, Si 0.30-0.35%, Mn 1.40-1.60%, Ni 0.30-0.40%, Cr
0.10-0.20%, Mo 0.10-0.20%, Nb 0.05-0.07%, P≤0.010%, S≤0.002%, Cu≤0.30%, Ti
≤ 0.02%, N≤0.005%, B≤0.005%, surplus are ferrum and inevitable impurity, described coating metal steel plate materials
One in 304L, 316L, 316LN, alloy 825.
Described basic unit carbon steel steel plate and coating metal steel plate use hot rolling technology to prepare bimetallic clad steel plate.Make basic unit
Carbon steel steel plate is fully integrated together with the metallographic structure of coating metal steel plate, improves steel pipe overall performance.
Described high-wear-resistancehigh-strength high-strength longitudinal submerged arc welded pipe, manufacturing process includes: bimetallic clad steel plate milling limit, pre-bending
Limit, JCO molding, joint close prewelding, submerged arc Nei Han basic unit carbon steel steel plate, the inspection of submerged arc outside weld coating metal steel plate, for the first time ultrasound wave
Look into, X-ray examination, machinery expanding, the water pressure test, chamfered edge, retaining wall on slope, for the second time ultrasound investigation, for the second time X are penetrated for the first time
Ray examination, pipe end magnetic particle inspection, aligning and presentation quality inspection.
During described submerged arc Nei Han basic unit's carbon steel steel plate, the welding wire of welding is the one in HO8CG, H08D, H08DG, and solder flux is
One in SJ101, SJ101G.
During described submerged arc outside weld coating metal steel plate welding welding wire be H00Cr21Ni10, H0Cr20Ni10Ti,
One in H00Cr19Ni12Mo2, solder flux is the one in HJ260, SJ601.
The high-wear-resistancehigh-strength high-strength longitudinal submerged arc welded pipe of the present invention, body yield strength is 600-700MPa, tensile strength
For 700-850MPa, elongation percentage >=50%, meet deep-sea oil gas conveyance conduit to steel pipe in high-ductility, high intensity, obdurability, resistance to
Requirement in terms of the high reliability such as mill property.
Claims (5)
1. a high-wear-resistancehigh-strength high-strength longitudinal submerged arc welded pipe, it is characterised in that: described longitudinal submerged arc welded pipe is multiple by bimetallic
Conjunction steel plate prepares, and bimetallic clad steel plate includes basic unit's carbon steel steel plate and coating metal steel plate, and described basic unit carbon steel steel plate is by weight
Amount percentages, its chemical composition is: C 0.04-0.06%, Si 0.30-0.35%, Mn 1.40-1.60%, Ni 0.30-
0.40%, Cr 0.10-0.20%, Mo 0.10-0.20%, Nb 0.05-0.07%, P≤0.010%, S≤0.002%, Cu
≤ 0.30%, Ti≤0.02%, N≤0.005%, B≤0.005%, surplus are ferrum and inevitable impurity, described coating gold
Belong to steel plate materials one in 304L, 316L, 316LN, alloy 825.
High-wear-resistancehigh-strength high-strength longitudinal submerged arc welded pipe the most according to claim 1, it is characterised in that: described basic unit carbon steel steel
Plate and coating metal steel plate use hot rolling technology to prepare bimetallic clad steel plate.
High-wear-resistancehigh-strength high-strength longitudinal submerged arc welded pipe the most according to claim 1, it is characterised in that: manufacturing process includes:
Bimetallic clad steel plate milling limit, pre-flanging, JCO molding, joint close prewelding, submerged arc Nei Han basic unit carbon steel steel plate, submerged arc outside weld coating
Metal foil, for the first time ultrasound investigation, for the first time X-ray examination, machinery expanding, the water pressure test, chamfered edge, retaining wall on slope,
Twice ultrasonic ripple checks, X-ray examination, pipe end magnetic particle inspection, aligning and presentation quality inspection for the second time.
High-wear-resistancehigh-strength high-strength longitudinal submerged arc welded pipe the most according to claim 3, it is characterised in that: weldering base in described submerged arc
During layer carbon steel steel plate, the welding wire of welding is the one in HO8CG, H08D, H08DG, and solder flux is the one in SJ101, SJ101G.
High-wear-resistancehigh-strength high-strength longitudinal submerged arc welded pipe the most according to claim 3, it is characterised in that: described submerged arc outside weld is covered
During layer metal foil, the welding wire of welding is the one in H00Cr21Ni 10, H0Cr20Ni 10Ti, H00Cr19Ni 12Mo2, weldering
Agent is the one in HJ260, SJ601.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610410789.7A CN106090451A (en) | 2016-06-03 | 2016-06-03 | A kind of high-wear-resistancehigh-strength high-strength longitudinal submerged arc welded pipe |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610410789.7A CN106090451A (en) | 2016-06-03 | 2016-06-03 | A kind of high-wear-resistancehigh-strength high-strength longitudinal submerged arc welded pipe |
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| Publication Number | Publication Date |
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| CN106090451A true CN106090451A (en) | 2016-11-09 |
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|---|---|---|---|
| CN201610410789.7A Pending CN106090451A (en) | 2016-06-03 | 2016-06-03 | A kind of high-wear-resistancehigh-strength high-strength longitudinal submerged arc welded pipe |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107876576A (en) * | 2017-10-27 | 2018-04-06 | 合肥紫金钢管股份有限公司 | A kind of submerged-arc welding steel pipes with straight processing technology with impact absorbing structure |
| CN107883073A (en) * | 2017-10-27 | 2018-04-06 | 合肥紫金钢管股份有限公司 | A kind of prestressed concrete pipe pile construction longitudinal submerged arc welded pipe |
| CN107906268A (en) * | 2017-10-27 | 2018-04-13 | 合肥紫金钢管股份有限公司 | High-intensity weather-proof high longitudinal submerged arc welded pipe is used in a kind of outdoor building construction |
| CN112440079A (en) * | 2020-11-09 | 2021-03-05 | 燕山大学 | Manufacturing method of composite oil pipe and seaming device |
Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3886981A (en) * | 1971-11-08 | 1975-06-03 | Atlantic Richfield Co | Pipeline insulation means |
| RU1797505C (en) * | 1990-07-16 | 1993-02-23 | Урал Нити | Method of welding |
| CN102233510A (en) * | 2011-05-23 | 2011-11-09 | 天津市裕兴钢管有限公司 | Production process of large-caliber straight-slit submerged-arc welding steel pipe |
| CN202546033U (en) * | 2012-03-09 | 2012-11-21 | 四川中际不锈钢管业有限公司 | Double-layer stainless steel tube |
| CN202868099U (en) * | 2012-10-24 | 2013-04-10 | 浙江金洲管道工业有限公司 | Stainless steel hybrid welding steel tube |
| CN203215114U (en) * | 2013-04-16 | 2013-09-25 | 上海月月潮钢管制造有限公司 | Acid-and-alkali-resistant and abrasion-resistant rubbish conveying steel pipe |
| CN103350320A (en) * | 2012-12-27 | 2013-10-16 | 华东理工大学 | Production method of corrosion-resistant bimetal composite pipe |
| CN203517040U (en) * | 2013-06-09 | 2014-04-02 | 宝鸡石油钢管有限责任公司 | Bimetallic composite welded pipe with straight seam |
| CN103862243A (en) * | 2014-03-25 | 2014-06-18 | 天津市雪琰管业有限公司 | Method for manufacturing straight-line thermometal composite welded pipe |
| CN104451440A (en) * | 2014-09-01 | 2015-03-25 | 宝鸡石油钢管有限责任公司 | High-plasticity longitudinal submerged arc welding tube for X70 thick-wall deep-sea pipeline and manufacturing method of high-plasticity longitudinal submerged arc welding tube |
-
2016
- 2016-06-03 CN CN201610410789.7A patent/CN106090451A/en active Pending
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3886981A (en) * | 1971-11-08 | 1975-06-03 | Atlantic Richfield Co | Pipeline insulation means |
| RU1797505C (en) * | 1990-07-16 | 1993-02-23 | Урал Нити | Method of welding |
| CN102233510A (en) * | 2011-05-23 | 2011-11-09 | 天津市裕兴钢管有限公司 | Production process of large-caliber straight-slit submerged-arc welding steel pipe |
| CN202546033U (en) * | 2012-03-09 | 2012-11-21 | 四川中际不锈钢管业有限公司 | Double-layer stainless steel tube |
| CN202868099U (en) * | 2012-10-24 | 2013-04-10 | 浙江金洲管道工业有限公司 | Stainless steel hybrid welding steel tube |
| CN103350320A (en) * | 2012-12-27 | 2013-10-16 | 华东理工大学 | Production method of corrosion-resistant bimetal composite pipe |
| CN203215114U (en) * | 2013-04-16 | 2013-09-25 | 上海月月潮钢管制造有限公司 | Acid-and-alkali-resistant and abrasion-resistant rubbish conveying steel pipe |
| CN203517040U (en) * | 2013-06-09 | 2014-04-02 | 宝鸡石油钢管有限责任公司 | Bimetallic composite welded pipe with straight seam |
| CN103862243A (en) * | 2014-03-25 | 2014-06-18 | 天津市雪琰管业有限公司 | Method for manufacturing straight-line thermometal composite welded pipe |
| CN104451440A (en) * | 2014-09-01 | 2015-03-25 | 宝鸡石油钢管有限责任公司 | High-plasticity longitudinal submerged arc welding tube for X70 thick-wall deep-sea pipeline and manufacturing method of high-plasticity longitudinal submerged arc welding tube |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107876576A (en) * | 2017-10-27 | 2018-04-06 | 合肥紫金钢管股份有限公司 | A kind of submerged-arc welding steel pipes with straight processing technology with impact absorbing structure |
| CN107883073A (en) * | 2017-10-27 | 2018-04-06 | 合肥紫金钢管股份有限公司 | A kind of prestressed concrete pipe pile construction longitudinal submerged arc welded pipe |
| CN107906268A (en) * | 2017-10-27 | 2018-04-13 | 合肥紫金钢管股份有限公司 | High-intensity weather-proof high longitudinal submerged arc welded pipe is used in a kind of outdoor building construction |
| CN107876576B (en) * | 2017-10-27 | 2019-07-16 | 合肥紫金钢管股份有限公司 | A kind of submerged-arc welding steel pipes with straight processing technology with impact absorbing structure |
| CN107883073B (en) * | 2017-10-27 | 2019-09-27 | 合肥紫金钢管股份有限公司 | A kind of prestressed concrete pipe pile construction longitudinal submerged arc welded pipe |
| CN107906268B (en) * | 2017-10-27 | 2019-09-27 | 合肥紫金钢管股份有限公司 | A kind of outdoor building construction high-intensity weather-proof high longitudinal submerged arc welded pipe |
| CN112440079A (en) * | 2020-11-09 | 2021-03-05 | 燕山大学 | Manufacturing method of composite oil pipe and seaming device |
| CN112440079B (en) * | 2020-11-09 | 2021-11-02 | 燕山大学 | Manufacturing method of composite oil pipe and seaming device |
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