CN103486429A - Bead weld alloy wear-resisting tube and bead weld manufacturing method thereof - Google Patents
Bead weld alloy wear-resisting tube and bead weld manufacturing method thereof Download PDFInfo
- Publication number
- CN103486429A CN103486429A CN201310458438.XA CN201310458438A CN103486429A CN 103486429 A CN103486429 A CN 103486429A CN 201310458438 A CN201310458438 A CN 201310458438A CN 103486429 A CN103486429 A CN 103486429A
- Authority
- CN
- China
- Prior art keywords
- wear
- alloy wear
- bead weld
- resisting
- resistant
- 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.)
- Withdrawn
Links
Images
Abstract
The invention provides a bead weld alloy wear-resisting tube and a bead weld manufacturing method thereof. In the bead weld field, the band-electrode submerged arc welding (SAW) technology adopted at home and abroad makes greater progress in dilution rate and deposition rate compared with filament submerged arc welding, with a pressure vessel upsized and highly parameterized day by day, the bead weld technology needs to be developed to be better and more efficient, however, setting of a bead weld machine, a magnetic control device and technological parameters related to the bead weld process is difficult to master. According to the method, the bead weld alloy wear-resisting tube comprises a bead weld wear-resisting layer (1) and a substrate (2), wherein the bead weld wear-resisting layer and the substrate are combined in a metallurgical mode, and the bead weld wear-resisting layer comprises a low-carbon steel plate (3) and alloy wear-resisting layer bodies (4) which are 1-15 in number. The method is used for manufacturing the bead weld alloy wear-resisting tube.
Description
technical field:
the present invention relates to a kind of hardfacing alloy wear-resistant pipe and built-up welding making method thereof.
background technique:
built-up welding is technological method as a kind of economy of material surface modifying and fast, during the manufacture that is applied to more and more widely each industrial department part is repaired.The internal surfaces such as thick-walled pressure vessel of the hydrogenator of petroleum chemical industry, former stream synthesis tower, reactor and nuclear power station all need large-area built-up welding high temperature resistant, the stainless steel lining of the corrosion such as antioxygen and hydrogen sulfide.The seventies, in the field, adopted in a large number band utmost point submerged arc overlay welding (SAW) technology both at home and abroad, this technology has been welded with significant progress than filament submerged arc on rate of dilution and deposition rate, but, along with pressurized container maximizes increasingly, high parameter, impel technique for overlaying to the more efficient future development of high-quality more.Yet the built-up welding welding machine that weld deposit process relates to, magnetic control means, arranging of process parameter are difficult to grasp, especially the accurate control of bead-welding technology parameter is significant to strip electrode electroslag surfacing to weldingvoltage, yet during brownout, tendency with utmost point adhesion mother metal is arranged, when voltage is too high, arc phenomenon obviously increases, molten bath is unstable, splashes and also increases.
summary of the invention:
the purpose of this invention is to provide a kind of hardfacing alloy wear-resistant pipe and built-up welding making method thereof.
above-mentioned purpose realizes by following technological scheme:
a kind of hardfacing alloy wear-resistant pipe, its composition comprises: build-up wear-resistant layer and substrate, described build-up wear-resistant layer and described substrate are by metallurgy combination, and described build-up wear-resistant layer comprises low carbon steel plate and alloy wear-resisting layer.
described hardfacing alloy wear-resistant pipe, the thickness of described alloy wear-resisting layer is 1/3 ~ 1/2 of described build-up wear-resistant layer thickness.
a kind of built-up welding making method of hardfacing alloy wear-resistant pipe, at first, be configured to evanohm and be to lead and add the alloy wear-resisting layer that manganese, molybdenum, niobium, nickel, carbon compound form, and be combined with low carbon steel plate and be made into the build-up wear-resistant layer; Second, adopt special-use heaps welding machine and heating equipment, high hardness self-protection alloy welding wire is travelled forward under the promotion of built-up welder, by described build-up wear-resistant layer, be welded on uniformly on substrate, compound two-layer so that 10 ~ 15 layers again after compound one deck, in recombination process, due to the contraction ratio difference of alloy wear-resisting layer, and evenly horizontal crackle appears; The 3rd, keep carbon compound to be fibrous distribution, fiber direction is vertical with integral surface; The combination property of intensity, toughness and the plasticity of opposing external force is provided by described matrix during work, by described alloy wear-resisting layer, provides and meet the wear-resisting property of specifying the operating mode demand.
the built-up welding making method of described hardfacing alloy wear-resistant pipe, described substrate is elected the sleeve pipe blank as, after the alloy wear-resisting layer is combined with low carbon steel plate and is made into the build-up wear-resistant layer, when described build-up wear-resistant layer being compound to described sleeve pipe blank making the alloy wear-resisting bend pipe, adopt dedicated elbow pushing machine, core and heating equipment, the blank that makes to be enclosed within on mould travels forward under the promotion of pushing machine, is heated at the volley, the process of hole enlargement bending forming alloy bend pipe.
the built-up welding making method of described hardfacing alloy wear-resistant pipe, pick in described sleeve pipe blank process, because the pipe diameter is determined in constancy of volume before and after Plastic Deformation of Metal Materials, the diameter of the sleeve pipe blank adopted is less than elbow diameter, control the deformation process of blank by core, make the compressed metal flow in inner arc place, compensate to other position because of the hole enlargement attenuate, thereby obtain the uniform elbow of wall thickness.
the built-up welding making method of described hardfacing alloy wear-resistant pipe, pick in described sleeve pipe blank process, wall thickness is even, the suitable production in enormous quantities of working continuously, it is the main mould-forming method of carbon steel, alloyed steel elbow, and also be applied in the shaping of Stainless Steel Elbow of some specification, the mode of heating of forming process requires according to formed product and energy scenario is determined the mode that Frequency Induction Heating, high-frequency induction heating, flame heating and reverberating furnace heat; Select the mode of described Frequency Induction Heating, high-frequency induction heating to select the mode of heating that heating collar is multi-turn or individual pen.
beneficial effect:
1. the hardfacing alloy wear-resistant pipe of the present invention's design comprises build-up wear-resistant layer and substrate, and the build-up wear-resistant layer is comprised of low carbon steel plate and alloy wear-resisting layer, and the utilization of alloy wear-resisting layer contains evanohm and also add manganese, molybdenum, niobium, nickel simultaneously.The alloy composition of carbon compound, in alloy structure, carbide is fibrous distribution, fiber direction and Surface Vertical.More than the carbide micro-penetration hardness can reach HV1700-2000, surface hardness can reach HRC58-62.Alloy carbide at high temperature has very strong stability, keeps higher hardness, also has good oxidation resistance simultaneously, at 500 ℃, with interior, fully normally uses.
build-up wear-resistant has very high-wear resistance and better impact property is good, can be cut, bending, welding etc., can take the modes such as welding, plug welding, bolt connection to be connected with other structures, there are the characteristics such as save time, facilitate in the maintenance sites process, be widely used in the industries such as metallurgy, coal, cement, electric power, glass, mine, building materials, brick and tile, compare with other materials, very high cost performance is arranged, be subjected to the favor of more and more industries and producer.
2. the alloy bend pipe that the inventive method relates to is a kind of pipe fitting for the pipeline turning place, utilize dedicated elbow pushing machine, core and heating equipment, the blank that makes to be enclosed within on mould travels forward under the promotion of pushing machine, be heated at the volley, hole enlargement bending forming alloy bend pipe, this pipe-line system accounts for the ratio maximum in whole pipe fittings, is about 80%.Usually, the elbow of different materials or wall thickness is selected to different formation techniquies.The production process of this kind of method is applicable to batch production, and the alloy bend pipe of production is widely used in petroleum gas pipework, natural gas pipeline projects, chemical plant, power plant, shipyard, pharmacy, dairy products, beer, beverage, the industries such as water conservancy.
the accompanying drawing explanation:
accompanying drawing 1 is the structural representation of the hardfacing alloy wear-resistant pipe that the present invention relates to.
embodiment:
embodiment 1:
a kind of hardfacing alloy wear-resistant pipe, its composition comprises: build-up wear-resistant layer 1 and substrate 2, described build-up wear-resistant layer and described substrate are by metallurgy combination, and described build-up wear-resistant layer comprises low carbon steel plate 3 and alloy wear-resisting layer 4.
embodiment 2:
the described hardfacing alloy wear-resistant pipe of embodiment 1, the thickness of described alloy wear-resisting layer is 1/3 ~ 1/2 of described build-up wear-resistant layer thickness.
embodiment 3:
a kind of built-up welding making method of hardfacing alloy wear-resistant pipe, at first, be configured to evanohm and be to lead and add the alloy wear-resisting layer that manganese, molybdenum, niobium, nickel, carbon compound form, and be combined with low carbon steel plate and be made into the build-up wear-resistant layer; Second, adopt special-use heaps welding machine and heating equipment, high hardness self-protection alloy welding wire is travelled forward under the promotion of built-up welder, by described build-up wear-resistant layer, be welded on uniformly on substrate, compound two-layer so that 10 ~ 15 layers again after compound one deck, in recombination process, due to the contraction ratio difference of alloy wear-resisting layer, and evenly horizontal crackle appears; The 3rd, keep carbon compound to be fibrous distribution, fiber direction is vertical with integral surface; The combination property of intensity, toughness and the plasticity of opposing external force is provided by described matrix during work, by described alloy wear-resisting layer, provides and meet the wear-resisting property of specifying the operating mode demand.
embodiment 4:
the built-up welding making method of the described hardfacing alloy wear-resistant pipe of embodiment 3, described substrate is elected the sleeve pipe blank as, after the alloy wear-resisting layer is combined with low carbon steel plate and is made into the build-up wear-resistant layer, when described build-up wear-resistant layer being compound to described sleeve pipe blank making the alloy wear-resisting bend pipe, adopt dedicated elbow pushing machine, core and heating equipment, the blank that makes to be enclosed within on mould travels forward under the promotion of pushing machine, is heated at the volley, the process of hole enlargement bending forming alloy bend pipe.
embodiment 5:
the built-up welding making method of the described hardfacing alloy wear-resistant pipe of embodiment 3 or 4, pick in described sleeve pipe blank process, because the pipe diameter is determined in constancy of volume before and after Plastic Deformation of Metal Materials, the diameter of the sleeve pipe blank adopted is less than elbow diameter, control the deformation process of blank by core, make the compressed metal flow in inner arc place, compensate to other position because of the hole enlargement attenuate, thereby obtain the uniform elbow of wall thickness.
embodiment 6:
the built-up welding making method of the described hardfacing alloy wear-resistant pipe of embodiment 3 or 4, pick in described sleeve pipe blank process, wall thickness is even, the suitable production in enormous quantities of working continuously, it is the main mould-forming method of carbon steel, alloyed steel elbow, and also be applied in the shaping of Stainless Steel Elbow of some specification, the mode of heating of forming process requires according to formed product and energy scenario is determined the mode that Frequency Induction Heating, high-frequency induction heating, flame heating and reverberating furnace heat; Select the mode of described Frequency Induction Heating, high-frequency induction heating to select the mode of heating that heating collar is multi-turn or individual pen.
Claims (6)
1. a hardfacing alloy wear-resistant pipe, its composition comprises: substrate is characterized in that: described build-up wear-resistant layer and described substrate are by solder bond, and described build-up wear-resistant layer comprises low carbon steel plate and alloy wear-resisting layer, and the alloy wear-resisting layer of built-up welding is the 1-15 layer.
2. hardfacing alloy wear-resistant pipe according to claim 1, it is characterized in that: the thickness of described alloy wear-resisting layer is 1/3 ~ 1/2 of described build-up wear-resistant layer thickness.
3. the built-up welding making method of a hardfacing alloy wear-resistant pipe is characterized in that: at first, be configured to evanohm and be to lead and add the alloy wear-resisting layer that manganese, molybdenum, niobium, nickel, carbon compound form, and being combined with low carbon steel plate and being made into the build-up wear-resistant layer; Second, adopt special-use heaps welding machine and heating equipment, high hardness self-protection alloy welding wire is travelled forward under the promotion of built-up welder, by described build-up wear-resistant layer, be welded on uniformly on substrate, compound two-layer so that 10 ~ 15 layers again after compound one deck, in recombination process, due to the contraction ratio difference of alloy wear-resisting layer, and evenly horizontal crackle appears; The 3rd, keep carbon compound to be fibrous distribution, fiber direction is vertical with integral surface; The combination property of intensity, toughness and the plasticity of opposing external force is provided by described matrix during work, by described alloy wear-resisting layer, provides and meet the wear-resisting property of specifying the operating mode demand.
4. the built-up welding making method of hardfacing alloy wear-resistant pipe according to claim 3, it is characterized in that: described substrate is elected the sleeve pipe blank as, after the alloy wear-resisting layer is combined with low carbon steel plate and is made into the build-up wear-resistant layer, when described build-up wear-resistant layer being compound to described sleeve pipe blank making the alloy wear-resisting bend pipe, adopt dedicated elbow pushing machine, core and heating equipment, the blank that makes to be enclosed within on mould travels forward under the promotion of pushing machine, is heated at the volley, hole enlargement bending forming alloy bend pipe.
5. according to the built-up welding making method of the described hardfacing alloy wear-resistant pipe of claim 3 or 4, it is characterized in that: pick in described sleeve pipe blank process, because the pipe diameter is determined in constancy of volume before and after Plastic Deformation of Metal Materials, the diameter of the sleeve pipe blank adopted is less than elbow diameter, control the deformation process of blank by core, make the compressed metal flow in inner arc place, compensate to other position because of the hole enlargement attenuate, thereby obtain the uniform elbow of wall thickness.
6. according to the built-up welding making method of the described hardfacing alloy wear-resistant pipe of claim 3 or 4, it is characterized in that: pick in described sleeve pipe blank process, wall thickness is even, the suitable production in enormous quantities of working continuously, also be applied in the shaping of Stainless Steel Elbow, the mode of heating of forming process requires according to formed product and energy scenario is determined the mode that Frequency Induction Heating, high-frequency induction heating, flame heating and reverberating furnace heat; Select the mode of described Frequency Induction Heating, high-frequency induction heating to select the mode of heating that heating collar is multi-turn or individual pen.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310458438.XA CN103486429A (en) | 2013-10-02 | 2013-10-02 | Bead weld alloy wear-resisting tube and bead weld manufacturing method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310458438.XA CN103486429A (en) | 2013-10-02 | 2013-10-02 | Bead weld alloy wear-resisting tube and bead weld manufacturing method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN103486429A true CN103486429A (en) | 2014-01-01 |
Family
ID=49826898
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310458438.XA Withdrawn CN103486429A (en) | 2013-10-02 | 2013-10-02 | Bead weld alloy wear-resisting tube and bead weld manufacturing method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103486429A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105478964A (en) * | 2016-02-01 | 2016-04-13 | 哈电集团（秦皇岛）重型装备有限公司 | Surfacing welding technology for large-area anti-corrosion layers of tube plate |
| CN105921850A (en) * | 2016-05-31 | 2016-09-07 | 铜陵市东方矿冶机械有限责任公司 | Overlaying abrasion-resistant plate |
| CN109048234A (en) * | 2018-10-10 | 2018-12-21 | 福建海山重工有限公司 | A kind of forklift part high-efficiency and precision processing technology |
| CN113566026A (en) * | 2020-10-29 | 2021-10-29 | 广东博盈特焊技术股份有限公司 | Metal composite pipe and manufacturing method thereof |
-
2013
- 2013-10-02 CN CN201310458438.XA patent/CN103486429A/en not_active Withdrawn
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105478964A (en) * | 2016-02-01 | 2016-04-13 | 哈电集团（秦皇岛）重型装备有限公司 | Surfacing welding technology for large-area anti-corrosion layers of tube plate |
| CN105921850A (en) * | 2016-05-31 | 2016-09-07 | 铜陵市东方矿冶机械有限责任公司 | Overlaying abrasion-resistant plate |
| CN109048234A (en) * | 2018-10-10 | 2018-12-21 | 福建海山重工有限公司 | A kind of forklift part high-efficiency and precision processing technology |
| CN113566026A (en) * | 2020-10-29 | 2021-10-29 | 广东博盈特焊技术股份有限公司 | Metal composite pipe and manufacturing method thereof |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102886593B (en) | A kind of welding method of UHV transmission steel tube tower Q460 high-strength steel steel pipe | |
| CN103331327B (en) | A kind of composite bimetal pipe welding method of girth weld | |
| CN102465290B (en) | Manufacturing method of double-layer metal composite pipe | |
| CN1189259C (en) | Manufacture of bimetallic composite pipe | |
| CN103486429A (en) | Bead weld alloy wear-resisting tube and bead weld manufacturing method thereof | |
| CN105478962A (en) | Overlaying rebuilt layer for large cold-rolled supporting roll 70 Cr3Mo and method for repairing roll | |
| CN104089109B (en) | A kind of 625MPa grades of UOE welded tube and its manufacture method | |
| CN103433603A (en) | Equal-strength matching submerged arc welding method for strong-strength P690QL1 steel | |
| US20140174583A1 (en) | Linepipe with cermet internal liner | |
| CN103752998A (en) | Method for manufacturing high-weather-resistance multi-wire submerged-arc welded steel pipes for marine environments | |
| CN103170810B (en) | Bead-welding method of inner wall of 90-degree bent pipe | |
| CN102233494B (en) | Stainless steel band electrode electroslag surfacing welding strip and welding flux | |
| Metlitskii | Flux-cored wires for arc welding and surfacing of cast iron | |
| CN104534165A (en) | Valve seat face surfacing technology | |
| CN107081508A (en) | Thickness connects method in the double wire hidden arc welding of the 15 20mm ultrafast cold X70 steel of high-performance | |
| CN104018098B (en) | The X90 pipe line steel of circumferential weld excellent property and production method thereof | |
| CN103624490B (en) | A kind of processing method of bimetal composite single-weld-seam bend | |
| CN109023358A (en) | A kind of the laser melting coating restorative procedure and reparation powder of mine hydraulic support | |
| CN104213118A (en) | Manufacturing method of lining for galvanizing | |
| CN104646796B (en) | A kind of overlaying method of low dilution rate | |
| CN104070271B (en) | 15Cr1Mo1V valve body and WB36 pipe arrangement different steel weld method | |
| CN108857137B (en) | Gas shield welding wire for high-strength continuous pipe | |
| CN2547988Y (en) | Bimetallic multiple-unit tube | |
| CN102744525B (en) | Composite preparation method of high-temperature abrasion resistance inner liner | |
| CN102218648B (en) | Machining method for large caliber stainless steel pipe |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C04 | Withdrawal of patent application after publication (patent law 2001) | ||
| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20140101 |