CN109202233A - A kind of method of X65 and 4130 material butt welding - Google Patents
A kind of method of X65 and 4130 material butt welding Download PDFInfo
- Publication number
- CN109202233A CN109202233A CN201811434812.1A CN201811434812A CN109202233A CN 109202233 A CN109202233 A CN 109202233A CN 201811434812 A CN201811434812 A CN 201811434812A CN 109202233 A CN109202233 A CN 109202233A
- Authority
- CN
- China
- Prior art keywords
- welding
- flange
- butt welding
- joint pipe
- telescopic joint
- 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.)
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Classifications
-
- 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
- B23K9/235—Preliminary treatment
-
- 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
-
- 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
- B23K9/32—Accessories
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Plasma & Fusion (AREA)
- Mechanical Engineering (AREA)
- Arc Welding In General (AREA)
- Pressure Welding/Diffusion-Bonding (AREA)
- Butt Welding And Welding Of Specific Article (AREA)
Abstract
The invention discloses the methods of a kind of X65 and 4130 material butt welding, and this method includes: step 1, dedicated welding groove are processed on telescopic joint pipe and flange, the material of telescopic joint pipe is X65 material, and the material of flange is 4130 materials；Step 2, welding position is preheated；Step 3, butt welding: 160~170A of welding current, weldingvoltage 22-25V, 110~120mm/min of speed of welding is carried out to welding position；Step 4, postwelding tempering.Butt welding method provided by the invention is for welding telescoping tube and flange, the parameters such as preheating, speed of welding, electric current, voltage, the heating of tempering, soaking time, wlding by the entire welding process of optimization, it is effectively guaranteed the quality of oil-well drilling equipment telescopic joint pipe Yu flange butt welding, the safety for having ensured Process of Oil Well Drilling avoids toxic, poisonous gas leakage and environmental pollution accident caused by the corrosion failure of telescopic joint pipe.
Description
Technical field
The present invention relates to the methods of a kind of X65 and 4130 material butt welding, specifically, utilize a kind of X65 and 4130 materials
Butt welding method is expected to complete the butt welding of offshore petroleum drilling equipment telescopic joint pipe and flange.
Background technique
Telescopic joint pipe is the important equipment used in ocean platform drilling process, it is desirable that have higher resistance to corrosion and compared with
High mechanical strength, it is high to the quality requirement of welding, in use, the environment of various liquid, gas can be born, and protect
Hinder the safety of Process of Oil Well Drilling.
The material of expansion joint is X65 material, and ingredient is as shown in table 1:
Table 1:X65 material composition (%), is calculated in mass percent
| Range | C | Mn | S | P |
| Min | 0.22 | 0.6 | 0.015 | 0.025 |
| Max | 0.33 | 1.45 | 0.025 | 0.025 |
With telescopic joint pipe assembly flange be 4130 (the flange material trade mark is 4130, by the U.S. ASTM A370-200 mark
It is quasi-), 4130 material compositions (%) are as shown in table 2.
Table 2:4130 material composition (%), is calculated in mass percent
| Range | C | Si | Mn | S | P | Cr | Mo | Ni | V |
| Min | 0.28 | 0.15 | 0.40 | 0 | 0 | 0.80 | 0.15 | 0 | 0 |
| Max | 0.33 | 0.35 | 0.60 | 0.025 | 0.025 | 1.10 | 0.25 | 0.5 | 0.1 |
Summary of the invention
It is an object of the invention to provide a kind of welding methods, for welding telescopic joint and flange so that welding position have compared with
High resistance to corrosion and higher mechanical strength, to ensure the safety of Process of Oil Well Drilling
In order to achieve the above objectives, the present invention provides the method for a kind of X65 and 4130 material butt welding, this method includes:
Step 1, dedicated welding groove is processed on telescopic joint pipe and flange；The material of the telescopic joint pipe is
X65 material, the material of flange are 4130 materials；
Step 2, welding position is preheated；
Step 3, using TL-508 as wlding, butt welding: welding current 160-170A, weldingvoltage is carried out to welding position
22-25V, speed of welding 110-120mm/min；
Step 4, postwelding tempering.
Preferably, in step 2,150 DEG C ± 50 DEG C of preheating temperature, soaking time 2h ± 0.15h.
Preferably, the butt welding is included in telescopic joint pipe and the welding position of flange welds several layers in step 3.
Preferably, interlayer temperature is 200-250 DEG C in butt-welding process.
Preferably, wlding is having a size of Ф 4mm.
Preferably, the tempering temperature is 640 DEG C ± 14 DEG C, soaking time 4-5h.
Butt welding method provided by the invention is for welding telescoping tube and flange, by optimizing the pre- of entire welding process
The parameters such as heat, speed of welding, electric current, voltage, the heating of tempering, soaking time, wlding, are effectively guaranteed oil-well drilling equipment
The quality of telescopic joint pipe and flange butt welding has ensured the safety of Process of Oil Well Drilling, avoids the corrosion failure of telescopic joint pipe
Caused by toxic, poisonous gas leakage and environmental pollution accident.
Specific embodiment
Technical solution of the present invention is further described with reference to embodiments.
A kind of X65 of the invention and the method for 4130 material butt welding include:
Step 1, dedicated welding groove is processed on telescopic joint pipe and flange；The material of the telescopic joint pipe is
X65 material, the material of flange are 4130 materials；
Step 2, welding position is preheated；
Step 3, butt welding: welding current 160-170A, weldingvoltage 22-25V, speed of welding is carried out to welding position
110-120mm/min；
Step 4, postwelding tempering.
Embodiment
Method provided by the invention carries out butt welding to X65 telescopic joint pipe and 4130 flanges, on telescopic joint pipe and flange
Dedicated welding groove is processed, position to be welded is preheated, 150 DEG C ± 50 DEG C of preheating temperature, soaking time 2h ±
0.15h, 200-250 DEG C of interlayer temperature, base material is X65 and 4130, and with TL-508, (trade mark of welding rod is high-intensitive weldering to wlding
Item), size Ф 4mm, welding current 165A, weldingvoltage 22-25V, speed of welding 120mm/min；Postwelding tempering, temperature
It is 640 DEG C ± 14 DEG C, soaking time 4h, air-cooled.The interlayer temperature refers to be soldered one layer after, when its surface welds one layer again two
Temperature between layer, can be detected with infrared radiation thermometer, when temperature is lower than 200 DEG C, need to be heated to the interlayer temperature needed.
Postwelding performance should reach:
Hardness: HBW140-240, tensile strength sigmab541Mpa, using ASTM A370-200 standard.
Postwelding the performance test results:
Hardness test result (each region takes 3 point tests at random)
3 groups of above-mentioned butt welding sample tests, tensile strength sigma are taken respectivelyb/ Mpa:541,548,545.
Postwelding shows through not damaged result of detection, flawless and stomata, and dye penetrant inspection is qualified.
In conclusion butt welding method of the invention, by optimize the preheating of entire welding process, speed of welding, electric current,
The parameters such as voltage, the heating of tempering, soaking time, wlding, are effectively guaranteed oil-well drilling equipment telescopic joint pipe and flange pair
The quality for connecing weldering has ensured the safety of Process of Oil Well Drilling.
It is discussed in detail although the contents of the present invention have passed through above preferred embodiment, but it should be appreciated that above-mentioned
Description is not considered as limitation of the present invention.After those skilled in the art have read above content, for of the invention
A variety of modifications and substitutions all will be apparent.Therefore, protection scope of the present invention should be limited to the appended claims.
Claims (7)
1. the method for a kind of X65 and 4130 material butt welding, which is characterized in that this method includes:
Step 1, dedicated welding groove is processed on telescopic joint pipe and flange；The material of the telescopic joint pipe is X65 material
Material, the material of flange are 4130 materials；
Step 2, welding position is preheated；
Step 3, to welding position progress butt welding: 160~170A of welding current, weldingvoltage 22-25V, speed of welding 110~
120mm/min；
Step 4, postwelding tempering.
2. the method for X65 as described in claim 1 and 4130 material butt welding, which is characterized in that in step 2, preheating temperature
150 DEG C ± 50 DEG C, soaking time 2h ± 0.15h.
3. the method for X65 as described in claim 1 and 4130 material butt welding, which is characterized in that in step 3, pair
Connect the welding position welding several layers that weldering is included in telescopic joint pipe and flange.
4. the method for X65 as claimed in claim 3 and 4130 material butt welding, which is characterized in that in butt-welding process, interlayer
Temperature is 200-250 DEG C.
5. the method for X65 as described in claim 1 and 4130 material butt welding, which is characterized in that in step 3, butt welding
Wlding is TL-508 wlding.
6. the method for X65 as claimed in claim 5 and 4130 material butt welding, which is characterized in that the size of the wlding is
Ф4mm。
7. the method for X65 as described in claim 1 and 4130 material butt welding, which is characterized in that the tempering temperature
Degree is 640 DEG C ± 14 DEG C, 4~5h of soaking time.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811434812.1A CN109202233A (en) | 2018-11-28 | 2018-11-28 | A kind of method of X65 and 4130 material butt welding |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811434812.1A CN109202233A (en) | 2018-11-28 | 2018-11-28 | A kind of method of X65 and 4130 material butt welding |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109202233A true CN109202233A (en) | 2019-01-15 |
Family
ID=64994128
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811434812.1A Pending CN109202233A (en) | 2018-11-28 | 2018-11-28 | A kind of method of X65 and 4130 material butt welding |
Country Status (1)
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|---|---|
| CN (1) | CN109202233A (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101149319A (en) * | 2006-09-21 | 2008-03-26 | 中国石油天然气集团公司 | 13 Cr oil well-pipe test material object preparation method |
| CN203526875U (en) * | 2013-11-06 | 2014-04-09 | 中铝国际山东建设有限公司 | Automatic welding device |
| US20160039042A1 (en) * | 2013-03-14 | 2016-02-11 | David Riggs | Method for Friction Welding Subsea Flowline Connectors |
| CN106119723A (en) * | 2016-06-24 | 2016-11-16 | 张家港海锅重型锻件有限公司 | A kind of production method of deep-sea oil extracting ship 4130 coupling forging raw material |
| CN107378207A (en) * | 2017-07-26 | 2017-11-24 | 南通振华重型装备制造有限公司 | A kind of 4130 high-voltage tube high-efficiency welding methods |
-
2018
- 2018-11-28 CN CN201811434812.1A patent/CN109202233A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101149319A (en) * | 2006-09-21 | 2008-03-26 | 中国石油天然气集团公司 | 13 Cr oil well-pipe test material object preparation method |
| US20160039042A1 (en) * | 2013-03-14 | 2016-02-11 | David Riggs | Method for Friction Welding Subsea Flowline Connectors |
| CN203526875U (en) * | 2013-11-06 | 2014-04-09 | 中铝国际山东建设有限公司 | Automatic welding device |
| CN106119723A (en) * | 2016-06-24 | 2016-11-16 | 张家港海锅重型锻件有限公司 | A kind of production method of deep-sea oil extracting ship 4130 coupling forging raw material |
| CN107378207A (en) * | 2017-07-26 | 2017-11-24 | 南通振华重型装备制造有限公司 | A kind of 4130 high-voltage tube high-efficiency welding methods |
Non-Patent Citations (2)
| Title |
|---|
| 中国机械工程学会焊接学会: "《焊接手册（第三版）》", 31 January 2008 * |
| 贺龙威: "X80 和 30CrMo 焊接接头组织与性能研究", 《中国优秀硕士学位论文全文数据库 工程科技Ⅰ辑》 * |
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Application publication date: 20190115 |