CN103862143B - A kind of welding procedure being applicable to Inconel600 alloy - Google Patents
A kind of welding procedure being applicable to Inconel600 alloy Download PDFInfo
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- CN103862143B CN103862143B CN201410114777.0A CN201410114777A CN103862143B CN 103862143 B CN103862143 B CN 103862143B CN 201410114777 A CN201410114777 A CN 201410114777A CN 103862143 B CN103862143 B CN 103862143B
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- 238000003466 welding Methods 0.000 title claims abstract description 90
- 238000000034 method Methods 0.000 title claims abstract description 35
- 229910001055 inconels 600 Inorganic materials 0.000 title claims abstract description 24
- 239000000956 alloy Substances 0.000 title claims abstract description 17
- 229910045601 alloy Inorganic materials 0.000 title claims abstract description 16
- 239000000463 material Substances 0.000 claims abstract description 12
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 claims description 14
- 229910052786 argon Inorganic materials 0.000 claims description 7
- 238000004140 cleaning Methods 0.000 claims description 6
- 239000002537 cosmetic Substances 0.000 claims description 6
- 229910052804 chromium Inorganic materials 0.000 claims description 5
- 229910052748 manganese Inorganic materials 0.000 claims description 5
- 239000000203 mixture Substances 0.000 claims description 5
- 229910052759 nickel Inorganic materials 0.000 claims description 5
- 229910052758 niobium Inorganic materials 0.000 claims description 5
- 239000000126 substance Substances 0.000 claims description 5
- 229910052742 iron Inorganic materials 0.000 claims description 4
- 238000012876 topography Methods 0.000 abstract description 3
- 238000010438 heat treatment Methods 0.000 abstract description 2
- 238000012360 testing method Methods 0.000 description 11
- 238000003032 molecular docking Methods 0.000 description 9
- 239000000047 product Substances 0.000 description 8
- 230000006399 behavior Effects 0.000 description 7
- 230000007547 defect Effects 0.000 description 4
- 229910052751 metal Inorganic materials 0.000 description 4
- 239000002184 metal Substances 0.000 description 4
- 208000037656 Respiratory Sounds Diseases 0.000 description 3
- 230000007797 corrosion Effects 0.000 description 3
- 238000005260 corrosion Methods 0.000 description 3
- 239000007789 gas Substances 0.000 description 3
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 description 2
- 230000007812 deficiency Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000011148 porous material Substances 0.000 description 2
- 230000003064 anti-oxidating effect Effects 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 238000011056 performance test Methods 0.000 description 1
- 238000005070 sampling Methods 0.000 description 1
- 238000005476 soldering Methods 0.000 description 1
- 239000013589 supplement Substances 0.000 description 1
- 238000009864 tensile test Methods 0.000 description 1
- 238000010998 test method Methods 0.000 description 1
- 239000010936 titanium Substances 0.000 description 1
- 239000004408 titanium dioxide Substances 0.000 description 1
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
- B23K9/23—Arc welding or cutting taking account of the properties of the materials to be welded
-
- 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
- B23K35/3033—Ni as the principal constituent
- B23K35/304—Ni as the principal constituent with Cr as the next major constituent
-
- 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
- B23K9/235—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
- B23K2103/00—Materials to be soldered, welded or cut
- B23K2103/08—Non-ferrous metals or alloys
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Plasma & Fusion (AREA)
- Chemical & Material Sciences (AREA)
- Materials Engineering (AREA)
- Arc Welding In General (AREA)
Abstract
The invention discloses a kind of welding procedure being applicable to Inconel600 alloy, this welding procedure, without preheating and heat treatment, belongs to the category of non-consumable gas shielded arc welding (GTAW) technique.By to the adjustment of technological parameter and the improvement of welding material, the weld seam produced not only has good surface topography, decay resistance and ambient temperature mechanical properties, and show the mechanical behavior under high temperature being obviously improved, it is possible to the greatly quality of improving product and service life.
Description
Technical field
The invention belongs to material processing field, be specifically related to a kind of welding procedure being applicable to Inconel600 alloy.
Background technology
Welding is requisite technique in the application of hardware particularly large-sized structural parts.Compared with mother metal, the weld seam that welding produces is usually present obvious gap at the aspect such as mechanical property, corrosion resistance, easily becomes " short slab " of product total quality and performance.Therefore, welding procedure is the key factor affecting metal product performance.
Inconel600 is a kind of nickel-base alloy, and it has high-temperature corrosion resistance, antioxidation and the cold and hot working performance of excellence, is widely used in the fields such as titanium dioxide, chemical industry, nuclear power.At present, more existing conventional soldering techniques are used for Inconel600 alloy, and the welding method related to includes gas metal-arc welding, non-consumable gas shielded arc welding, automatic welding etc.; the welding material used is based on ERNiCr-3, and its chemical composition is: C≤0.1%, Cr 18～22%; Fe≤3.0%, Mn 2.5～3.5%, Nb+Ta 2.0～3.0%; Ti≤0.75%; Si≤0.5%, Cu≤0.5%, S≤0.015%; P≤0.03%, Ni >=67.0%.
But, these welding procedures can not give play to the excellent properties of Inconel600 completely, there is obvious deficiency, and outstanding behaviours is undesirable in the mechanical behavior under high temperature of weld seam.This defect makes Inconel600 alloy product stability under high temperature applied environment and safety there is hidden danger, thus limits the application under some hot environment requiring mechanical property of the Inconel600 alloy product.
It is in hot environment in view of Inconel600 is in actual applications more, seeks just to seem particularly necessary with the Inconel600 alloy suitability more preferably welding procedure.
Summary of the invention
For the deficiencies in the prior art, it is an object of the invention to provide a kind of welding procedure being applicable to Inconel600 alloy.This welding procedure, without preheating and heat treatment, belongs to the category of non-consumable gas shielded arc welding (GTAW) technique.By to the adjustment of technological parameter and the improvement of welding material, the weld seam produced not only has good surface topography (not havinging the defects such as crackle, pore, undercut), decay resistance and ambient temperature mechanical properties, and show the mechanical behavior under high temperature being obviously improved, greatly improve quality and the service life of product.
To achieve these goals, the present invention provides a kind of welding procedure being applicable to Inconel600 alloy, comprises the following steps:
(1) end to be welded of sample to be welded is cleaned out, keep cleaning to be dried, then sample to be welded is docked, with spot welding fixed position, lead to argon subsequently and protect；Welding machine is connected in the way of straight polarity direct current with sample to be welded；
(2) treat welded specimen and carry out bottoming welding, welding current 90-100A, voltage 12-14V, weldering speed 0.8-1.2mm/s, the full two-layer of weldering；
(3) it is filled with weldering and cosmetic welding, welding current 100-120A, voltage 12-16V, weldering speed 1.0-1.4mm/s.
The welding procedure of the present invention is applicable to the Inconel600 alloy material of all kinds of pattern, includes but not limited to Inconel600 wire rod, sheet material, tubing etc..
Sample to be welded can select suitable docking mode according to weldment structure type.Such as, for sheet material, it is preferred to use V-type butting grooves；For tubing, it is preferred to use U-shaped butting grooves；Wire rod for such as rod etc, it is preferred to use V-type butting grooves or I type butting grooves.
The welding material used in the welding procedure of the present invention, by mass percentage, is made up of following chemical composition: C≤0.07%, Cr 16.0～18.0%, Fe 6.0～10.0%, Mn≤1.0%, Nb 1.5～3.0%, Si 0.6～1.0%, S≤0.015%, P≤0.015%, Ni >=70.0%.
Preferably, above-mentioned welding material is made up of following chemical composition: C≤0.05%, Cr 16.0～17.0%, Fe 7.0～8.0 %, Mn≤0.7%, Nb 2.0～2.5%, Si 0.8～1.0%, S≤0.015%, P≤0.015%, Ni >=72.0%.
Welding material can use with the various forms that this area is conventional, preferably welding wire.According to using needs, welding wire can be made into various sizes.
The present invention also aims to provide the Inconel600 alloy product obtained by said welding method.
Relative to the existing welding procedure for Inconel600, the present invention is by the technological parameter optimized in tradition GTAW welding procedure and improves welding material, make the weld seam of welding at aspect excellent performances such as outward appearance, corrosion resistance, ambient temperature mechanical properties and mechanicals behavior under high temperature, in terms of mechanical behavior under high temperature, particularly show clear superiority.
Accompanying drawing explanation
Fig. 1 is the structural representation that in embodiment 1, welded specimen uses V-type butting grooves；
Fig. 2 is the structural representation that in embodiment 2, welded specimen uses U-shaped butting grooves.
Detailed description of the invention
Below with reference to embodiment so that the present invention will be further described, but should not be construed as limiting the scope of the invention.
Embodiment
1
Selecting two block specifications to be the Inconel600 rolled plate of 450mm × 75mm × 20mm as welded specimen, use V-type butting grooves, slope type is: root face length 1mm, bevel angle 60 °.Docking structure is as shown in Figure 1.
Welding above-mentioned welded specimen, the welding machine model of use is WSM-4000 inversion type pulse argon；The wlding used is the welding wire of a diameter of φ 2.4mm, and its composition is: C 0.03%, Cr 16.8%, Fe 7.2%, Mn 0.4%, Nb 2.45%, Si 0.85%, S 0.002%, P 0.002%, Ni surplus.
Welding process comprises the following steps:
(1) removing surface of the groove to be welded of welded specimen is clean, keep cleaning to be dried, then groove is docked according to above-mentioned docking mode, fix position with spot welding, then lead to argon and protect；Welding machine is connected in the way of straight polarity direct current with sample to be welded；
(2) welded specimen is carried out bottoming welding, welding current 95A, voltage 13V, weld speed about 1.0mm/s, the full two-layer of weldering；
(3) it is filled with weldering and cosmetic welding, welding current 110A, voltage 14V, weld speed about 1.2mm/s.
Embodiment
2
Select two sections of specifications to be φ 120mm(external diameter) × 15mm(wall thickness) × 150mm(length) and Inconel600 pipeline section as welded specimen, use U-shaped butting grooves, groove type is root face length 1mm, radius 4mm, bevel angle 25 °.Docking structure is as shown in Figure 2.
Use wlding in the same manner as in Example 1 and equipment that above-mentioned welded specimen is welded.
Welding process comprises the following steps:
(1) removing surface of the groove to be welded of welded specimen is clean, keep cleaning to be dried, then groove is docked according to above-mentioned docking mode, fix position with spot welding, then lead to argon and protect；Welding machine is connected in the way of straight polarity direct current with sample to be welded；
(2) welded specimen is carried out bottoming welding, welding current 90A, voltage 12V, weld speed about 0.8mm/s, the full two-layer of weldering；
(3) it is filled with weldering and cosmetic welding, welding current 100A, voltage 13V, weld speed about 1.0mm/s.
Embodiment
3
(contrast)
Use welded specimen, docking mode and equipment in the same manner as in Example 1, for wlding, it is welded with the ERNiCr-3 welding wire of a diameter of φ 2.4mm.
Welding process comprises the following steps:
(1) removing surface of the groove to be welded of welded specimen is clean, keep cleaning to be dried, then groove is docked according to above-mentioned docking mode, fix position with spot welding, then lead to argon and protect；Welding machine is connected in the way of straight polarity direct current with sample to be welded；
(2) treat welded specimen and carry out bottoming welding, welding current 110A, voltage 15V, weld speed about 1.1mm/s, the full two-layer of weldering；
(3) it is filled with weldering and cosmetic welding, welding current 130A, voltage 20V, weld speed about 1.4mm/s.
Embodiment
4
(contrast)
Use welded specimen, docking mode and equipment in the same manner as in Example 2, for wlding, it is welded with the ERNiCr-3 welding wire of a diameter of φ 2.4mm.
Welding process comprises the following steps:
(1) removing surface of the groove to be welded of welded specimen is clean, keep cleaning to be dried, then groove is docked according to above-mentioned docking mode, fix position with spot welding, then lead to argon and protect；Welding machine is connected in the way of straight polarity direct current with sample to be welded；
(2) treat welded specimen and carry out bottoming welding, welding current 80A, voltage 10V, weld speed about 0.8mm/s, the full two-layer of weldering；
(3) it is filled with weldering and cosmetic welding, welding current 90A, voltage 13V, weld speed about 1.2mm/s.
Performance test
1, according to JB/T4730.5-2005, butt welded seam surface carries out Liquid penetrant testing (PT)
Result shows: the face of weld of embodiment 1-4 does not all find the defects such as crackle, pore, undercut, meets I grade of requirement of JB/T4730.5-2005.
2, according to JB/T4730.2-2005, butt welded seam carries out ray detection (RT)
Result shows: the weld seam of embodiment 1-4 does not finds any defect, meets I grade of requirement of JB/T4730.2-2005.
3, according to GB/T228-2010, sample sampling is carried out the test of room temperature (25 DEG C) tensile property
Test result is as shown in table 1.
Table 1 room temperature tensile test result
Above-mentioned test result shows, the sample of embodiment 1-4 all meets ASTM
UNS NO6600 requirement, the ambient temperature mechanical properties showed is roughly the same.
4, according to GB/T232-2010, to sample and carry out side bend test test
Result shows: all do not find crackle, meets GB/T232-2010 requirement.
5, according to GB/T4338-2006 " Metal Materials At High Temperature stretching test method ", to sample, high temperature, short time Mechanics Performance Testing is carried out at 500 DEG C and 700 DEG C respectively
Concrete test process is as follows: according to standard-required processed sample, is then fixed on WDE-300B high temperature universal testing machine by sample with fixture block, subsequently temperature is increased to test temperature；Keep temperature, be slowly increased load, until sample fracture.
The intensity loaded during record fracture and fracture position, result is as shown in table 2.
Table 2 drawing by high temperature test result
Supplement 0 point from the results shown in Table 2, in high temperature environments, the tensile strength of sample is all decreased obviously.At 500 DEG C, the sample of embodiment 3 and 4 weld seam under the tensile force less than 500 MPa just there occurs fracture；Even and if use the sample of the embodiment 1 and 2 of welding procedure of the present invention under the tensile force effect of about 550MPa, in the case of mother metal has ruptured, weld seam does not the most rupture.Situation is similar to therewith, and at 700 DEG C, the sample of embodiment 3 and 4 weld seam under the tensile force of about 370 MPa just there occurs fracture；And using the sample of the embodiment 1 and 2 of welding procedure of the present invention under the tensile force effect of 450MPa, in the case of mother metal has ruptured, weld seam does not the most rupture.
This result shows, after welding procedure disclosed by the invention is applied to Inconel600 alloy, the mechanical behavior under high temperature of weld seam significantly improves, hence it is evident that be better than other similar welding procedure.
In summary, the welding procedure of the present invention is when welding for Inconel600 alloy, and gained weld seam not only has good surface topography and ambient temperature mechanical properties, and has the mechanical behavior under high temperature significantly improved.This can the quality of greatly improving product, and extension Inconel600 alloy product application under various hot environments can be played good impetus.
Claims (3)
1. it is applicable to a welding procedure for Inconel600 alloy, comprises the following steps:
(1) end to be welded of sample to be welded is cleaned out, keep cleaning to be dried, then sample to be welded is docked, with spot welding fixed position, lead to argon subsequently and protect；Welding machine is connected in the way of straight polarity direct current with sample to be welded；
(2) treat welded specimen and carry out bottoming welding, welding current 90-100A, voltage 12-14V, weldering speed 0.8-1.2mm/s, the full two-layer of weldering；
(3) it is filled with weldering and cosmetic welding, welding current 100-120A, voltage 12-16V, weldering speed 1.0-1.4mm/s；
By mass percentage, the welding material used in welding procedure is made up of following chemical composition: C≤0.05%, Cr 16.0～17.0%, Fe 7.0～8.0 %, Mn≤0.7%, Nb 2.0～2.5%, Si 0.8～1.0%, S≤0.015%, P≤0.015%, Ni >=72.0%.
Welding procedure the most according to claim 1, it is characterised in that: described sample to be welded is Inconel600 wire rod, sheet material or tubing.
Welding procedure the most according to claim 2, it is characterised in that: sample to be welded for sheet profile, use V-type butting grooves；Sample to be welded for tubing type, uses U-shaped butting grooves；Sample to be welded for wire-type, uses V-type butting grooves or I type butting grooves.
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| CN201410114777.0A CN103862143B (en) | 2014-03-25 | 2014-03-25 | A kind of welding procedure being applicable to Inconel600 alloy |
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| CN201410114777.0A CN103862143B (en) | 2014-03-25 | 2014-03-25 | A kind of welding procedure being applicable to Inconel600 alloy |
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| CN103862143B true CN103862143B (en) | 2016-09-21 |
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| CN105750708B (en) * | 2016-04-29 | 2018-04-06 | 东方电气集团东方锅炉股份有限公司 | A kind of heavy wall nickel-base alloy header welding method of girth weld |
| CN106270975A (en) * | 2016-08-29 | 2017-01-04 | 张家港华日法兰有限公司 | A kind of welding procedure of tubing |
| CN106903396B (en) * | 2017-03-03 | 2020-05-05 | 中国航发贵州黎阳航空动力有限公司 | Welding process for wear-resistant alloy |
| CN109396610A (en) * | 2018-10-29 | 2019-03-01 | 江苏丰禾机械制造股份有限公司 | A kind of welding procedure of bellows |
| CN110487834B (en) * | 2019-07-24 | 2024-05-07 | 北京科技大学 | Sample rack for measuring surface partial polymerization volatilization amount and use method thereof |
| CN110434435A (en) * | 2019-08-28 | 2019-11-12 | 南京胜德金属装备有限公司 | A kind of MIG welding procedure of Alloy59 alloy |
| CN110560844A (en) * | 2019-09-16 | 2019-12-13 | 中国化学工程第六建设有限公司 | Welding method of nickel-based material pipeline |
| CN116810093A (en) * | 2023-06-06 | 2023-09-29 | 航天工程装备（苏州）有限公司 | A welding method for nickel-chromium-molybdenum corrosion-resistant and high-temperature resistant materials used in the nuclear industry |
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| CN101596640A (en) * | 2008-06-06 | 2009-12-09 | 中国海洋石油总公司 | The welding procedure of super martensitic stainless steel |
| CN101391338B (en) * | 2008-10-17 | 2010-12-22 | 哈尔滨建成集团有限公司 | Ferritic steel barrel butt-junction circular-seam hot-wire TIG multi-layer multipath welding method |
| CN101462193B (en) * | 2009-01-09 | 2010-09-15 | 中国石油天然气集团公司 | Method for welding thin layer iron nickel base alloy carbon steel composite tube |
| CN101927396B (en) * | 2009-06-19 | 2012-06-06 | 攀钢集团攀枝花钢铁研究院有限公司 | Method for welding steel plate by multi-layer welding |
| CN101954524B (en) * | 2010-10-21 | 2012-05-23 | 蓬莱巨涛海洋工程重工有限公司 | Welding process of ultrahigh-strength steel and heterogeneous high-strength steel |
| CN102261235A (en) * | 2011-07-26 | 2011-11-30 | 上海神开石油化工装备股份有限公司 | High-sulfur-resistance well control equipment and welding technology thereof |
| CN102941397B (en) * | 2012-10-09 | 2015-05-13 | 中冶南方(武汉)威仕工业炉有限公司 | Argon tungsten arc welding method for nickel-based alloy |
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Effective date of registration: 20180504 Address after: 214536 Jiangsu Shuang Qin company, No. 268, South Jingjiang Road, Xinqiao Town, Jingjiang, Jiangsu Patentee after: Jiangsu double field Amperex Technology Limited Address before: 214536 Jiangsu, Jiangsu, Taizhou, Jingjiang, Xinjiang town, four North pier, Jiangsu double Qin Minsheng company Patentee before: Jiangsu Shuangqin Minsheng Metallurigical and Chemical Equipment Manufacturing Co., Ltd. |