CN106862800A - The built-up welding of steel pipe forming roller, flux cored wire used for submerged arc welding and its welding procedure - Google Patents
The built-up welding of steel pipe forming roller, flux cored wire used for submerged arc welding and its welding procedure Download PDFInfo
- Publication number
- CN106862800A CN106862800A CN201710208757.3A CN201710208757A CN106862800A CN 106862800 A CN106862800 A CN 106862800A CN 201710208757 A CN201710208757 A CN 201710208757A CN 106862800 A CN106862800 A CN 106862800A
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- CN
- China
- Prior art keywords
- welding
- steel pipe
- pipe forming
- forming roller
- built
- 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
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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
- 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
- B23K35/308—Fe as the principal constituent with Cr as next major constituent
- B23K35/3086—Fe as the principal constituent with Cr as next major constituent containing Ni or Mn
-
- 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
- B23K35/02—Rods, electrodes, materials, or media, for use in soldering, welding, or cutting characterised by mechanical features, e.g. shape
- B23K35/0255—Rods, electrodes, materials, or media, for use in soldering, welding, or cutting characterised by mechanical features, e.g. shape for use in welding
- B23K35/0261—Rods, electrodes, wires
-
- 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
- B23K9/04—Welding for other purposes than joining, e.g. built-up welding
- B23K9/044—Built-up welding on three-dimensional surfaces
- B23K9/046—Built-up welding on three-dimensional surfaces on surfaces of revolution
- B23K9/048—Built-up welding on three-dimensional surfaces on surfaces of revolution on cylindrical surfaces
-
- 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
-
- 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
Abstract
Built-up welding, flux cored wire used for submerged arc welding and its welding procedure the present invention relates to steel pipe forming roller, including following mass percent component：Boron nitride is 0.5~1%, and manganese-silicon powder is 1~2%, and silicon metal is 1~2.5%, and high-purity chromium powder is that 4~6%, Mo is 3~4%, and vanadium iron powder is 2~3%, and high purity tungsten is 2~5%, balance of water fog method iron powder.Material component collocation of the present invention is reasonable, and layer is formed using the wear surface in steel pipe forming roller, so as to while wear surface repairing sizes are realized, greatly improve the surface property of workpiece, extends the service life of workpiece.
Description
Technical field
The present invention relates to welding processing technical field, the specifically built-up welding of steel pipe forming roller, tubulose used for submerged arc welding weldering
Silk and its welding procedure.
Background technology
Steel pipe forming roller carries out rolloff due to being frequently necessary to steel pipe, using one section when after, working surface occur one
Determine degree abrasion, after wear extent reaches certain value, the precision of steel pipe forming can be caused to be affected, then needing timely will mill
The steel pipe forming roller of damage is changed, but this replacement cost is higher, and the steel pipe forming roller after abrasion is discarded and causes serious money
Source wastes.Therefore in the urgent need to a kind of technique being capable of achieving to the steel pipe forming roller recycling worn and torn.
The content of the invention
In order to solve deficiency of the prior art, the present invention proposes built-up welding, the flux cored wire used for submerged arc welding of steel pipe forming roller
And its welding procedure.
The technical problems to be solved by the invention are realized using following technical scheme：
The component of the built-up welding of steel pipe forming roller, flux cored wire used for submerged arc welding, including following mass percent：
Boron nitride be 0.5~1%, manganese-silicon powder be 1~2%, silicon metal be 1~2.5%, high-purity chromium powder be 4~
6%, Mo are 3~4%, and vanadium iron powder is 2~3%, and high purity tungsten is 2~5%, balance of water fog method iron powder.
The built-up welding of steel pipe forming roller, the welding procedure of flux cored wire used for submerged arc welding, the process step are as follows：
The first step：The pretreatment of workpiece：By the oil removal on the pending surface of workpiece；
Second step：Determine gage of wire and welding current, voltage；
During such as gage of wire for 3.2mm, selection welding current is 300~330A, and weldingvoltage is 34~36V；
During such as gage of wire for 4.0mm, selection welding current is 350~430A, and weldingvoltage is 34~36V；
3rd step：Welding wire is bakeed：The welding wire of selection is carried out into baking treatment；
4th step：Welding wire is welded on by workpiece surface by welding machine, weldering speed is controlled in 350~450mm/min.
After welding, destressing heat treatment is carried out, and slow cooling is to room temperature.
The interlayer preheating temperature of the layer in the 4th step is controlled at 175 DEG C.
The beneficial effects of the invention are as follows：Material component collocation of the present invention is reasonable, using the wear surface in steel pipe forming roller
Layer is formed, so as to while wear surface repairing sizes are realized, greatly improve the surface property of workpiece, work is extended
The service life of part.
Specific embodiment
In order that the technological means realized of the present invention, creation characteristic, reached purpose and effect are easy to understand, below it is right
The present invention is expanded on further.
Embodiment one：
The component of the built-up welding of steel pipe forming roller, flux cored wire used for submerged arc welding, including following mass percent：
Boron nitride is 0.5%, and manganese-silicon powder is 1%, and silicon metal is 2.5%, and high-purity chromium powder is 3% for 4%, Mo, vanadium
Iron powder is 2%, and high purity tungsten is 5%, balance of water fog method iron powder.
The built-up welding of steel pipe forming roller, the welding procedure of flux cored wire used for submerged arc welding, the process step are as follows：
The first step：The pretreatment of workpiece：By the oil removal on the pending surface of workpiece；
Second step：Determine gage of wire and welding current, voltage；
Gage of wire is 3.2mm, and selection welding current is 300~330A, and weldingvoltage is 34~36V；
3rd step：Welding wire is bakeed：The welding wire of selection is carried out into baking treatment；
4th step：Welding wire is welded on by workpiece surface by welding machine, weldering speed is controlled in 350~450mm/min.
After welding, destressing heat treatment is carried out, and slow cooling is to room temperature.
The interlayer preheating temperature of the layer in the 4th step is controlled at 175 DEG C.
Embodiment two：
The component of the built-up welding of steel pipe forming roller, flux cored wire used for submerged arc welding, including following mass percent：
Boron nitride is 1%, and manganese-silicon powder is 2%, and silicon metal is 1%, and high-purity chromium powder is 4% for 6%, Mo, vanadium iron powder
It is 3%, high purity tungsten is 2%, balance of water fog method iron powder.
The built-up welding of steel pipe forming roller, the welding procedure of flux cored wire used for submerged arc welding, the process step are as follows：
The first step：The pretreatment of workpiece：By the oil removal on the pending surface of workpiece；
Second step：Determine gage of wire and welding current, voltage；
Gage of wire is 4.0mm, and selection welding current is 350~430A, and weldingvoltage is 34~36V；
3rd step：Welding wire is bakeed：The welding wire of selection is carried out into baking treatment；
4th step：Welding wire is welded on by workpiece surface by welding machine, weldering speed is controlled in 350~450mm/min.
After welding, destressing heat treatment is carried out, and slow cooling is to room temperature.
The interlayer preheating temperature of the layer in the 4th step is controlled at 175 DEG C.
Embodiment three：
The component of the built-up welding of steel pipe forming roller, flux cored wire used for submerged arc welding, including following mass percent：
Boron nitride is 0.91%, and manganese-silicon powder is 1.2%, and silicon metal is 1.8%, and high-purity chromium powder is for 5%, Mo
3.3%, vanadium iron powder is 2.3%, and high purity tungsten is 4%, balance of water fog method iron powder.
The built-up welding of steel pipe forming roller, the welding procedure of flux cored wire used for submerged arc welding, the process step are as follows：
The first step：The pretreatment of workpiece：By the oil removal on the pending surface of workpiece；
Second step：Determine gage of wire and welding current, voltage；
Gage of wire is 3.2mm, and selection welding current is 300~330A, and weldingvoltage is 34~36V；
3rd step：Welding wire is bakeed：The welding wire of selection is carried out into baking treatment；
4th step：Welding wire is welded on by workpiece surface by welding machine, weldering speed is controlled in 350~450mm/min.
After welding, destressing heat treatment is carried out, and slow cooling is to room temperature.
The interlayer preheating temperature of the layer in the 4th step is controlled at 175 DEG C.
Example IV：
The component of the built-up welding of steel pipe forming roller, flux cored wire used for submerged arc welding, including following mass percent：
Boron nitride is 0.7%, and manganese-silicon powder is 1.5%, and silicon metal is 2.1%, and high-purity chromium powder is for 5.5%, Mo
3.8%, vanadium iron powder is 2.8%, and high purity tungsten is 3%, balance of water fog method iron powder.
The built-up welding of steel pipe forming roller, the welding procedure of flux cored wire used for submerged arc welding, the process step are as follows：
The first step：The pretreatment of workpiece：By the oil removal on the pending surface of workpiece；
Second step：Determine gage of wire and welding current, voltage；
Gage of wire is 4.0mm, and selection welding current is 350~430A, and weldingvoltage is 34~36V；
3rd step：Welding wire is bakeed：The welding wire of selection is carried out into baking treatment；
4th step：Welding wire is welded on by workpiece surface by welding machine, weldering speed is controlled in 350~450mm/min.
After welding, destressing heat treatment is carried out, and slow cooling is to room temperature.
The interlayer preheating temperature of the layer in the 4th step is controlled at 175 DEG C.
It is special by after embodiments of the invention one to example IV implementation in order to prove actual effect of the invention and performance
Layer performance be tested, data statistics is as follows：
From above-mentioned experimental data, after technical scheme so that the hardness of overlay cladding is promoted to 58HRc
More than, so as to higher than existing layer hardness, and wearability and rotproofness are greatly improved, and extend steel pipe forming
The service life of roller.
The present invention has intensity and toughness and excellent cold ＆ heat fatigue resisting performance higher, is adapted to do high temperature, high load capacity
The hardstanding of roll, therefore the present disclosure additionally applies for the reparation of Pierre's roller.
General principle of the invention, principal character and advantages of the present invention has been shown and described above.The technology of the industry
Personnel it should be appreciated that the present invention is not limited by step embodiment, the simply present invention described in step embodiment and specification
Principle, without departing from the spirit and scope of the present invention, various changes and modifications of the present invention are possible, these change and
Improvement all fall within the protetion scope of the claimed invention.The claimed scope of the invention is by appending claims and its equivalent
Thing is defined.
Claims (6)
1. the built-up welding of steel pipe forming roller, flux cored wire used for submerged arc welding, it is characterised in that：Component including following mass percent：
Boron nitride is 0.5~1%, and manganese-silicon powder is 1~2%, and silicon metal is 1~2.5%, and high-purity chromium powder is 4~6%, Mo
It is 3~4%, vanadium iron powder is 2~3%, high purity tungsten is 2~5%, balance of water fog method iron powder.
2. the built-up welding of steel pipe forming roller, the welding procedure of flux cored wire used for submerged arc welding, it is characterised in that：The process step
It is as follows：
The first step：The pretreatment of workpiece：By the oil removal on the pending surface of workpiece；
Second step：Determine gage of wire and welding current, voltage；
3rd step：Welding wire is bakeed：The welding wire of selection is carried out into baking treatment；
4th step：Welding wire is welded on by workpiece surface by welding machine, weldering speed is controlled in 350~450mm/min.
3. the built-up welding of steel pipe forming roller according to claim 2, the welding procedure of flux cored wire used for submerged arc welding, its feature exist
In：After welding, destressing heat treatment is carried out, and slow cooling is to room temperature.
4. the built-up welding of steel pipe forming roller according to claim 2, the welding procedure of flux cored wire used for submerged arc welding, its feature exist
In：The interlayer preheating temperature of the layer in the 4th step is controlled at 175 DEG C.
5. the built-up welding of steel pipe forming roller according to claim 2, the welding procedure of flux cored wire used for submerged arc welding, its feature exist
In：When gage of wire is 3.2mm, selection welding current is 300~330A, and weldingvoltage is 34~36V.
6. the built-up welding of steel pipe forming roller according to claim 2, the welding procedure of flux cored wire used for submerged arc welding, its feature exist
In：When gage of wire is 4.0mm, selection welding current is 350~430A, and weldingvoltage is 34~36V.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710208757.3A CN106862800A (en) | 2017-03-31 | 2017-03-31 | The built-up welding of steel pipe forming roller, flux cored wire used for submerged arc welding and its welding procedure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710208757.3A CN106862800A (en) | 2017-03-31 | 2017-03-31 | The built-up welding of steel pipe forming roller, flux cored wire used for submerged arc welding and its welding procedure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106862800A true CN106862800A (en) | 2017-06-20 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710208757.3A Pending CN106862800A (en) | 2017-03-31 | 2017-03-31 | The built-up welding of steel pipe forming roller, flux cored wire used for submerged arc welding and its welding procedure |
Country Status (1)
| Country | Link |
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| CN (1) | CN106862800A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107378309A (en) * | 2017-08-19 | 2017-11-24 | 安徽鼎恒再制造产业技术研究院有限公司 | Hot rolling support roller built-up welding flux cored wire and its welding procedure |
| CN107552997A (en) * | 2017-08-19 | 2018-01-09 | 安徽鼎恒再制造产业技术研究院有限公司 | Hot rolling support roller is remanufactured with submerged-arc welding flux cored wire and its welding procedure |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS62270296A (en) * | 1986-05-16 | 1987-11-24 | Kobe Steel Ltd | Boron-containing flux for welding material |
| CN1413793A (en) * | 2002-10-09 | 2003-04-30 | 天津大学 | Repairing cold-rolled intermediat roll working lining build-up welding agent core welding stick |
| CN102189316A (en) * | 2010-03-11 | 2011-09-21 | 上海一钢机电有限公司 | Submerged-arc welding overlaying repairing method for stainless steel hot rolled delivery roll |
| CN102886620A (en) * | 2012-10-25 | 2013-01-23 | 银锐明 | Nitrogen and boron alloying high tenacity hardfacing flux-cored wire |
| CN104812524A (en) * | 2012-12-10 | 2015-07-29 | 林肯环球股份有限公司 | Electrodes incorporating metallic coated particles and methods of hard surfacing therewith |
-
2017
- 2017-03-31 CN CN201710208757.3A patent/CN106862800A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS62270296A (en) * | 1986-05-16 | 1987-11-24 | Kobe Steel Ltd | Boron-containing flux for welding material |
| CN1413793A (en) * | 2002-10-09 | 2003-04-30 | 天津大学 | Repairing cold-rolled intermediat roll working lining build-up welding agent core welding stick |
| CN102189316A (en) * | 2010-03-11 | 2011-09-21 | 上海一钢机电有限公司 | Submerged-arc welding overlaying repairing method for stainless steel hot rolled delivery roll |
| CN102886620A (en) * | 2012-10-25 | 2013-01-23 | 银锐明 | Nitrogen and boron alloying high tenacity hardfacing flux-cored wire |
| CN104812524A (en) * | 2012-12-10 | 2015-07-29 | 林肯环球股份有限公司 | Electrodes incorporating metallic coated particles and methods of hard surfacing therewith |
Non-Patent Citations (3)
| Title |
|---|
| 倪振航等: "槽钢轧辊的堆焊修复和热处理", 《金属热处理》 * |
| 廖保莲: "冷轧工作辊表面强化修复", 《焊接》 * |
| 眭向荣等: "中宽带热轧支承辊堆焊修复技术", 《江苏冶金》 * |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107378309A (en) * | 2017-08-19 | 2017-11-24 | 安徽鼎恒再制造产业技术研究院有限公司 | Hot rolling support roller built-up welding flux cored wire and its welding procedure |
| CN107552997A (en) * | 2017-08-19 | 2018-01-09 | 安徽鼎恒再制造产业技术研究院有限公司 | Hot rolling support roller is remanufactured with submerged-arc welding flux cored wire and its welding procedure |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20170620 |
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| RJ01 | Rejection of invention patent application after publication |