CN108672982A - A kind of petroleum pipeline structural member electric arc increasing material manufacturing precursor - Google Patents
A kind of petroleum pipeline structural member electric arc increasing material manufacturing precursor Download PDFInfo
- Publication number
- CN108672982A CN108672982A CN201810824770.6A CN201810824770A CN108672982A CN 108672982 A CN108672982 A CN 108672982A CN 201810824770 A CN201810824770 A CN 201810824770A CN 108672982 A CN108672982 A CN 108672982A
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- China
- Prior art keywords
- material manufacturing
- structural member
- increasing material
- petroleum pipeline
- electric arc
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Classifications
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- 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
- B23K35/00—Rods, electrodes, materials, or media, for use in soldering, welding, or cutting
- B23K35/22—Rods, electrodes, materials, or media, for use in soldering, welding, or cutting characterised by the composition or nature of the material
- B23K35/24—Selection of soldering or welding materials proper
- B23K35/30—Selection of soldering or welding materials proper with the principal constituent melting at less than 1550 degrees C
- B23K35/3053—Fe as the principal constituent
- B23K35/3066—Fe as the principal constituent with Ni as next major constituent
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Nonmetallic Welding Materials (AREA)
- Arc Welding In General (AREA)
Abstract
The invention belongs to technical field of welding materials, and in particular to a kind of petroleum pipeline structural member electric arc increasing material manufacturing precursor, including following chemical composition by weight percentage：C：0.09 0.15%, Mn：1.0 2.0%, Si≤0.3%, P≤0.012%, S≤0.012%, Cr：0.1 1.2%, Mo：0.20 0.80%, Ni：1.2 2.6%, Cu≤0.3%, Ti：0.02 0.1%, remaining is iron.Petroleum pipeline structural member electric arc increasing material manufacturing provided by the invention has good mechanical property and higher low-temperature impact toughness with precursor, its tensile strength is more than 680MPa, 40 DEG C of low-temperature impact works ensure that in 150J or more, 60 DEG C of low-temperature impact works ensure in 120J or more；The precursor coordinates increasing material manufacturing special flux to carry out the printing of petroleum pipeline structural member, has printing technology excellent, beautiful appearance, and welding bead is fine and closely woven.
Description
Technical field
The invention belongs to technical field of welding materials, and in particular to a kind of petroleum pipeline structural member electric arc increasing material manufacturing is former
Silk.
Background technology
With China's rapid development of economy, the demand to petroleum gas is also more and more vigorous, country transfering natural gas from the west to the east with
And put into succession from the national gas transmission project such as Russia, efficiency is improved in order to cut operating costs, improves the safety of petroleum pipeline
Property and reliability, petroleum pipeline steel not only there is higher intensity and need higher low-temperature impact toughness.And oil pipeline three
The structural members such as parts are typically by casting, and cast member easily causes that shrinkage cavity, impact flexibility is relatively low, one-pass finished rate is relatively low
Etc. mass defects.
Electric arc increases material manufacturing technology is to be melted metal wire material using arc surfacing principle, under control of the computer directly
The process for manufacturing theoretical density 3-dimensional metal part can reduce process, few, the energy that shortens product manufacturing period, product defects
It is enough to realize digitlization, intelligent manufacturing, and the mechanical property of manufacture material is more excellent than foundry engieering.Therefore, it is necessary to design one
Kind petroleum pipeline structural member electric arc increasing material manufacturing prints oil pipeline with precursor in the way of electric arc increasing material manufacturing
Structural member, can not only solve the problems, such as that one-pass finished rate is relatively low, and may also be ensured that structural member have excellent low temperature
Impact flexibility.
Invention content
In order to overcome above-mentioned the shortcomings of the prior art, the object of the present invention is to provide a kind of petroleum pipeline structural member electricity
Arc increasing material manufacturing precursor has good mechanical property and higher low-temperature impact toughness, coordinates increasing material manufacturing special flux
When carrying out the printing of petroleum pipeline structural member, printing technology is excellent, beautiful appearance.
To achieve the above object, the technical scheme is that a kind of petroleum pipeline structural member electric arc increasing material manufacturing is former
Silk, including following chemical composition by weight percentage：C：0.09-0.15%, Mn：1.0-2.0%, Si≤0.3%, P≤
0.012%, S≤0.012%, Cr：0.1-1.2%, Mo：0.20-0.80%, Ni：1.2-2.6%, Cu≤0.3%, Ti：0.02-0.1%,
Remaining is iron.
As a preferred embodiment, above-mentioned petroleum pipeline structural member electric arc increasing material manufacturing precursor, including press
The following chemical composition of weight percent meter：C：0.09%, Mn：2.0%, Si：0.1%, P：0.003%, S：0.004%, Cr：0.6%,
Mo：0.30%, Ni：1.2%, Cu：0.05%, Ti：0.02%, Fe：95.833%.
As a preferred embodiment, above-mentioned petroleum pipeline structural member electric arc increasing material manufacturing precursor, including press
The following chemical composition of weight percent meter：C：0.15%, Mn：1.0%, Si：0.13%, P：0.005%, S：0.006%, Cr：
1.2%, Mo：0.4%, Ni：1.8%, Cu：0.04%, Ti：0.1%, Fe：95.169%.
As a preferred embodiment, above-mentioned petroleum pipeline structural member electric arc increasing material manufacturing precursor, including press
The following chemical composition of weight percent meter：C：0.13%, Mn：1.5%, Si：0.06%, P：0.004%, S：0.006%, Cr：
0.1%, Mo：0.80%, Ni：2.6%, Cu：0.1%, Ti：0.08%, Fe：94.62%.
Further, in the precursor, when C content is not higher than 0.13%, Mn contents are not less than 1.5%；When C content is higher than
When 0.13%, Mn contents are less than 1.5%.
Further, in the precursor, when Mn is higher than 1.5%, Ni contents are less than 1.8%.
Further, in the precursor, when Cr contents are less than 0.6%, Mo contents are higher than 0.4%.
Further, the precursor is matched with increasing material manufacturing special flux EAM F550 solder flux and is welded.EAM F550
Solder flux includes following component by weight percentage：MgO：21~29%；CaF2：21~28%；Al2O3：11~20%；ZrO2：3~
6%；SiO2：10~16%；CaO：15~21%；Na3AIF6：1~4%；CaCO33~6%；Yttrium oxide 2 ~ 4%；T iO2: 2~4%；S≤
0.01%、P≤0.01%。
The design principle of chemical composition is as follows in the petroleum pipeline structural member electric arc increasing material manufacturing precursor of the present invention：
Combined deoxidation is carried out using C, Mn in the present invention, carbon is strongest deoxidier, is the important element of proof strength, but carbon mistake
Stacking coating metal brittleness can mostly increased, ductility and plasticity decline, therefore in order to improve intensity also need to be added suitable Mn into
Row combined deoxidation, but C, Mn proportioning need to be controlled in suitable range, and when C content is not higher than 0.13%, Mn contents are not less than
1.5%；When C content is higher than 0.13%, Mn contents are less than 1.5%, to make carbon equivalent control in rational range, reduce crackle
Sensitivity coefficient and brittleness.
The alloy elements such as suitable Ti, Mo, Ni, Cr are added in the present invention, several alloying element collective effects, no
Can be single say that certain element can play the role of those, such as proportioning appropriate can crystal grain thinning, reduce the segregation of steel, drop
Low temper brittleness improves intensity and low-temperature impact toughness.It is higher low in order to ensure since Mn, Ni are austenizers
For warm impact flexibility in the present invention when Mn is higher than 1.5%, Ni contents are less than 1.8%；And in order to ensure intensity appropriate, when Cr contains
When amount is less than 0.6%, Mo contents are higher than 0.4%.
Compared with prior art, the invention has the advantages that：
（1）Petroleum pipeline structural member electric arc increasing material manufacturing provided by the invention has good mechanical property and higher with precursor
Low-temperature impact toughness, tensile strength are more than 680MPa, and -40 DEG C of low-temperature impact works ensure in 150J or more, -60 DEG C of low-temperature impacts
Work(ensures in 120J or more；
（2）Petroleum pipeline structural member electric arc increasing material manufacturing provided by the invention coordinates increasing material manufacturing special flux EAM with precursor
F550 carries out the printing of petroleum pipeline structural member, has printing technology excellent, beautiful appearance, and welding bead is fine and closely woven.
Specific implementation mode
The following is a clear and complete description of the technical scheme in the embodiments of the invention, it is clear that described embodiment
Only a part of the embodiment of the present invention, instead of all the embodiments.Based on the embodiments of the present invention, the common skill in this field
All other embodiment that art personnel are obtained without making creative work belongs to the model that the present invention protects
It encloses.
Embodiment one
The present embodiment provides a kind of petroleum pipeline structural member electric arc increasing material manufacturing precursor, including by weight percentage as follows
Chemical composition：C：0.09%, Mn：2.0%, Si：0.1%, P：0.003%, S：0.004%, Cr：0.6%, Mo：0.30%, Ni：1.2%,
Cu：0.05%, Ti：0.02%, Fe：95.833%.
Embodiment two
The present embodiment provides a kind of petroleum pipeline structural member electric arc increasing material manufacturing precursor, including by weight percentage as follows
Chemical composition：C：0.15%, Mn：1.0%, Si：0.13%, P：0.005%, S：0.006%, Cr：1.2%, Mo：0.4%, Ni：1.8%,
Cu：0.04%, Ti：0.1%, Fe：95.169%.
Embodiment three
The present embodiment provides a kind of petroleum pipeline structural member electric arc increasing material manufacturing precursor, including by weight percentage as follows
Chemical composition：C：0.13%, Mn：1.5%, Si：0.06%, P：0.004%, S：0.006%, Cr：0.1%, Mo：0.80%, Ni：2.6%,
Cu：0.1%, Ti：0.08%, Fe：94.62%.
The formula of the precursor provided according to the above embodiments one, embodiment two and embodiment three has smelted the weldering of three stoves respectively
Silk steel, is drawn into the petroleum pipeline structural member electric arc increasing material manufacturing precursor of φ 4.0, the ingredient such as table of silk material after annealing
Shown in 1, precursor and solder flux with the use of rear stacking coating metal chemical composition and mechanical property respectively as shown in table 2 and table 3.
As shown in Table 3, the petroleum pipeline structural member electric arc increasing material manufacturing precursor prepared using embodiment one to embodiment three with
Solder flux matching is welded, and has the welding technological properties such as good de- slag, anti-stomata, spreading property, and welding bead ripple is fine and closely woven, at
Type is beautiful, and has good intensity and higher low-temperature impact toughness, and tensile strength is more than 680MPa, -40 DEG C of low temperature punchings
It hits work(and ensures that, in 150J or more, -60 DEG C of low-temperature impact works ensure in 120J or more.
Compared with prior art, petroleum pipeline structural member electric arc increasing material manufacturing precursor provided in an embodiment of the present invention is anti-
Tensile strength, yield strength higher, and low-temperature impact-resistant temperature is lower；And lower impact temperature is needed while improving intensity
It is high that higher low-temperature impact toughness difficulty is also needed under degree, and matching solder flux is not only increased in order to improve impact flexibility in the present invention
Basicity, the content of Ni also improved in precursor, Ni is the best and effective method for improving low-temperature impact toughness, and Ni contains
Amount is higher can also to improve intensity；The present invention improves intensity by Cr, N, Mo, is also added into Cr.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all essences in the present invention
With within principle, any modification, equivalent replacement, improvement and so on should all be included in the protection scope of the present invention god.
Claims (8)
1. a kind of petroleum pipeline structural member electric arc increasing material manufacturing precursor, which is characterized in that including by weight percentage as
Lower chemical composition：C：0.09-0.15%, Mn：1.0-2.0%, Si≤0.3%, P≤0.012%, S≤0.012%, Cr：0.1-1.2%,
Mo：0.20-0.80%, Ni：1.2-2.6%, Cu≤0.3%, Ti：0.02-0.1%, remaining is iron.
2. a kind of petroleum pipeline structural member electric arc increasing material manufacturing precursor as described in claim 1, which is characterized in that including pressing
The following chemical composition of weight percent meter：C：0.09%, Mn：2.0%, Si：0.1%, P：0.003%, S：0.004%, Cr：0.6%,
Mo：0.30%, Ni：1.2%, Cu：0.05%, Ti：0.02%, Fe：95.833%.
3. a kind of petroleum pipeline structural member electric arc increasing material manufacturing precursor as described in claim 1, which is characterized in that including pressing
The following chemical composition of weight percent meter：C：0.15%, Mn：1.0%, Si：0.13%, P：0.005%, S：0.006%, Cr：
1.2%, Mo：0.4%, Ni：1.8%, Cu：0.04%, Ti：0.1%, Fe：95.169%.
4. a kind of petroleum pipeline structural member electric arc increasing material manufacturing precursor as described in claim 1, which is characterized in that including pressing
The following chemical composition of weight percent meter：C：0.13%, Mn：1.5%, Si：0.06%, P：0.004%, S：0.006%, Cr：
0.1%, Mo：0.80%, Ni：2.6%, Cu：0.1%, Ti：0.08%, Fe：94.62%.
5. a kind of petroleum pipeline structural member electric arc increasing material manufacturing precursor as described in claim 1, it is characterised in that：The original
In silk, when C content is not higher than 0.13%, Mn contents are not less than 1.5%；When C content is higher than 0.13%, Mn contents are less than 1.5%.
6. a kind of petroleum pipeline structural member electric arc increasing material manufacturing precursor as described in claim 1, it is characterised in that：The original
In silk, when Mn is higher than 1.5%, Ni contents are less than 1.8%.
7. a kind of petroleum pipeline structural member electric arc increasing material manufacturing precursor as described in claim 1, it is characterised in that：The original
In silk, when Cr contents are less than 0.6%, Mo contents are higher than 0.4%.
8. a kind of petroleum pipeline structural member electric arc increasing material manufacturing precursor as described in claim 1, it is characterised in that：The original
Silk is matched with increasing material manufacturing special flux EAM F550 solder flux to be welded.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810824770.6A CN108672982B (en) | 2018-07-25 | 2018-07-25 | Raw yarn for electric arc additive manufacturing of petroleum pipeline structural member |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810824770.6A CN108672982B (en) | 2018-07-25 | 2018-07-25 | Raw yarn for electric arc additive manufacturing of petroleum pipeline structural member |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108672982A true CN108672982A (en) | 2018-10-19 |
| CN108672982B CN108672982B (en) | 2020-10-02 |
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ID=63814840
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810824770.6A Active CN108672982B (en) | 2018-07-25 | 2018-07-25 | Raw yarn for electric arc additive manufacturing of petroleum pipeline structural member |
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| Country | Link |
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Cited By (3)
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| CN110172644A (en) * | 2019-06-03 | 2019-08-27 | 中国兵器科学研究院宁波分院 | A kind of electric arc increasing material manufacturing high-strength steel silk material and preparation method thereof |
| CN110523980A (en) * | 2019-08-14 | 2019-12-03 | 中国石油天然气集团有限公司 | A kind of electric smelting increasing material manufacturing method of tee pipe fitting |
| CN113319429A (en) * | 2021-04-29 | 2021-08-31 | 中国石油天然气集团有限公司 | Wire material for low-temperature additive manufacturing and controlling grain size, and preparation and application thereof |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110172644A (en) * | 2019-06-03 | 2019-08-27 | 中国兵器科学研究院宁波分院 | A kind of electric arc increasing material manufacturing high-strength steel silk material and preparation method thereof |
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| CN113319429A (en) * | 2021-04-29 | 2021-08-31 | 中国石油天然气集团有限公司 | Wire material for low-temperature additive manufacturing and controlling grain size, and preparation and application thereof |
| CN113319429B (en) * | 2021-04-29 | 2023-02-21 | 中国石油天然气集团有限公司 | Wire material for low-temperature additive manufacturing and controlling grain size, and preparation and application thereof |
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| CN108672982B (en) | 2020-10-02 |
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