CN105149814A - Self-protection flux-cored wire for steel rail repair welding - Google Patents
Self-protection flux-cored wire for steel rail repair welding Download PDFInfo
- Publication number
- CN105149814A CN105149814A CN201510672008.7A CN201510672008A CN105149814A CN 105149814 A CN105149814 A CN 105149814A CN 201510672008 A CN201510672008 A CN 201510672008A CN 105149814 A CN105149814 A CN 105149814A
- Authority
- CN
- China
- Prior art keywords
- parts
- cored wire
- self
- protection flux
- weight
- 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
- 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
-
- 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
- B23K35/36—Selection of non-metallic compositions, e.g. coatings, fluxes; Selection of soldering or welding materials, conjoint with selection of non-metallic compositions, both selections being of interest
- B23K35/368—Selection of non-metallic compositions of core materials either alone or conjoint with selection of soldering or welding materials
-
- 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
- B23K2101/00—Articles made by soldering, welding or cutting
- B23K2101/26—Railway- or like rails
-
- 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
- B23K2103/02—Iron or ferrous alloys
- B23K2103/04—Steel or steel alloys
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Nonmetallic Welding Materials (AREA)
Abstract
The invention provides a self-protection flux-cored wire for steel rail repair welding. A flux core of the self-protection flux-cored wire comprises alloy components and slag system components. The alloy components include, by weight, 0.05-0.20 part of C, 0.60-1.20 parts of Cr, 1.00-3.50 parts of Ni, 0.30-0.70 part of Mo and 0.005-0.05 part of Zr. The slag system components include, by weight, 8-12 parts of Fe2O3, 0.5-3.5 parts of BaCO3, 12-17 parts of aluminum magnesium alloy, 24-32 parts of BaF2, 7-13 parts of CaF2, 13-18 parts of LiF2, 9-15 parts of rare earth ferrosilicon and 4-9 parts of Al2O3. According to the self-protection flux-cored wire for steel rail repair welding, no protective gas is needed in the welding process, the wire can make gas by itself to form the protective atmosphere, the wind resistant capacity is strong, welding can be applied under the four-level wind power, and the self-protection flux-cored wire is suitable for repair working on field steel rails.
Description
Technical field
The invention belongs to solder wire material technical field, especially relate to a kind of resurfacing of rail self-protection flux-cored wire.
Background technology
Along with China railways enters fast-developing period, circuit mileage constantly increases and the repeatedly speed-raising of train speed fast, not only to the requirement of rail rail level ride comfort more meaning strictly, and the demand also growing tension to rail.The local defect (as scratch, flake-off block, joint wear away low collapse) of manual electric arc welding recovery technique to rail rail level is adopted to carry out the common method that local Repair Welding is the operation of work business maintenance.But original manual arc soldering technology affects by equipment, technique, human factor etc., the stability of resurfacing of rail quality is difficult to ensure, and efficiency is lower.
Summary of the invention
In view of this; the present invention is intended to propose a kind of resurfacing of rail self-protection flux-cored wire; to realize automation, the high efficiency of resurfacing of rail process; improve the ride comfort that track welding is repaired; ensure quality of weld joint and technology stability; extend rail service life, reduce maintenance workload and cost.
For achieving the above object, technical scheme of the present invention is achieved in that
A kind of resurfacing of rail self-protection flux-cored wire, its medicine core comprises alloying component and slag system ingredient, and described alloying component comprises the component of following parts by weight, C0.05-0.20 part, Cr0.60-1.20 part, Ni1.00-3.50 part, Mo0.30-0.70 part, Zr0.005-0.05 part;
Described slag system ingredient comprises the component of following parts by weight, Fe
2o
38-12 part, BaCO
30.5-3.5 part, almag 12-17 part, BaF
224-32 part, CaF
27-13 part, LiF
213-18 part, rare earth ferrosilicon 9-15 part, Al
2o
34-9 part.
Preferably, described alloying component comprises the component of following parts by weight, C0.10-0.15 part, Cr0.70-1.10 part, Ni2.00-2.50 part, Mo0.40-0.60 part, Zr0.01-0.04 part;
Described slag system ingredient comprises the component of following parts by weight, Fe
2o
39-11 part, BaCO
31-3 part, almag 13-16 part, BaF
225-30 part, CaF
28-12 part, LiF
214-17 part, rare earth ferrosilicon 10-14 part, Al
2o
35-8 part.
Preferably, described alloying component comprises the component of following parts by weight, C0.12-0.14 part, Cr0.80-1.00 part, Ni2.20-2.40 part, Mo0.45-0.55 part, Zr0.02-0.03 part;
Described slag system ingredient comprises the component of following parts by weight, Fe
2o
39.5-10.5 part, BaCO
31.5-2.5 part, almag 14-15 part, BaF
226-38 part, CaF
29-11 part, LiF
215-16 part, rare earth ferrosilicon 11-13 part, Al
2o
36-7 part.
Preferably, its crust is thickness 0.6mm steel band.Preferred low-sulfur phosphorus high-quality steel band.
Relative to prior art, a kind of resurfacing of rail self-protection flux-cored wire of the present invention, has following advantage:
(1) resurfacing of rail self-protection flux-cored wire of the present invention, without any need for protective gas in welding process, welding wire self gas making forms protection atmosphere, and wind loading rating is strong, can welding under level Four wind-force, is applicable to repair on the rail line of field.
(2) resurfacing of rail self-protection flux-cored wire of the present invention, can realize automatic welding, efficiency is high, and deposition efficiency than welding rod height 2-4 doubly; quality of weld joint high stability is good; save wlding, alleviate welder's labour intensity, reduce maintenance of way cost.
(3) the existing high-wearing feature of resurfacing of rail self-protection flux-cored wire of the present invention has again good plasticity and toughness, reduces the wheel-rail impact power of train operation, greatly reduces the diseases of railway line of joint area.
Detailed description of the invention
It should be noted that, when not conflicting, the embodiment in the present invention and the feature in embodiment can combine mutually.
Embodiment one
A kind of resurfacing of rail self-protection flux-cored wire, its medicine core comprises alloying component and slag system ingredient, and described alloying component comprises the component of following parts by weight, C0.11 part, Cr0.75 part, Ni2.10 part, Mo0.45 part, Zr0.01 part;
Described slag system ingredient comprises the component of following parts by weight, Fe
2o
39.5 parts, BaCO
31.3 parts, almag 13.5 parts, BaF
225.5 parts, CaF
28.5 parts, LiF
214.5 parts, rare earth ferrosilicon 10.5 parts, Al
2o
35.5 part.
Its crust is thickness 0.6mm steel band.
Embodiment two
A kind of resurfacing of rail self-protection flux-cored wire, its medicine core comprises alloying component and slag system ingredient, and described alloying component comprises the component of following parts by weight, C0.13 part, Cr0.90 part, Ni2.30 part, Mo0.50 part, Zr0.025 part;
Described slag system ingredient comprises the component of following parts by weight, Fe
2o
310 parts, BaCO
32 parts, almag 14.5 parts, BaF
230 parts, CaF
210 parts, LiF
215.5 parts, rare earth ferrosilicon 12 parts, Al
2o
36.5 part.
Its crust is thickness 0.6mm steel band.
Embodiment three
A kind of resurfacing of rail self-protection flux-cored wire, its medicine core comprises alloying component and slag system ingredient, and described alloying component comprises the component of following parts by weight, C0.14 part, Cr1.00 part, Ni2.40 part, Mo0.55 part, Zr0.03 part;
Described slag system ingredient comprises the component of following parts by weight, Fe
2o
310.5 parts, BaCO
32.5 parts, almag 15 parts, BaF
238 parts, CaF
211 parts, LiF
216 parts, rare earth ferrosilicon 13 parts, Al
2o
37 parts.
Its crust is thickness 0.6mm steel band.
Measure the welding wire of embodiment one ~ embodiment three, carry out mechanics properties testing, result is as shown in the table.
The foregoing is only the preferred embodiment of the invention; not in order to limit the invention; within all spirit in the invention and principle, any amendment done, equivalent replacement, improvement etc., within the protection domain that all should be included in the invention.
Claims (4)
1. a resurfacing of rail self-protection flux-cored wire, it is characterized in that: its medicine core comprises alloying component and slag system ingredient, described alloying component comprises the component of following parts by weight, C0.05-0.20 part, Cr0.60-1.20 part, Ni1.00-3.50 part, Mo0.30-0.70 part, Zr0.005-0.05 part;
Described slag system ingredient comprises the component of following parts by weight, Fe
2o
38-12 part, BaCO
30.5-3.5 part, almag 12-17 part, BaF
224-32 part, CaF
27-13 part, LiF
213-18 part, rare earth ferrosilicon 9-15 part, Al
2o
34-9 part.
2. resurfacing of rail self-protection flux-cored wire according to claim 1, is characterized in that: described alloying component comprises the component of following parts by weight, C0.10-0.15 part, Cr0.70-1.10 part, Ni2.00-2.50 part, Mo0.40-0.60 part, Zr0.01-0.04 part;
Described slag system ingredient comprises the component of following parts by weight, Fe
2o
39-11 part, BaCO
31-3 part, almag 13-16 part, BaF
225-30 part, CaF
28-12 part, LiF
214-17 part, rare earth ferrosilicon 10-14 part, Al
2o
35-8 part.
3. resurfacing of rail self-protection flux-cored wire according to claim 1, is characterized in that: described alloying component comprises the component of following parts by weight, C0.12-0.14 part, Cr0.80-1.00 part, Ni2.20-2.40 part, Mo0.45-0.55 part, Zr0.02-0.03 part;
Described slag system ingredient comprises the component of following parts by weight, Fe
2o
39.5-10.5 part, BaCO
31.5-2.5 part, almag 14-15 part, BaF
226-38 part, CaF
29-11 part, LiF
215-16 part, rare earth ferrosilicon 11-13 part, Al
2o
36-7 part.
4. the resurfacing of rail self-protection flux-cored wire according to any one of claims 1 to 3, is characterized in that: its crust is thickness 0.6mm steel band.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510672008.7A CN105149814B (en) | 2015-10-16 | 2015-10-16 | A kind of resurfacing of rail self-protection flux-cored wire |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510672008.7A CN105149814B (en) | 2015-10-16 | 2015-10-16 | A kind of resurfacing of rail self-protection flux-cored wire |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105149814A true CN105149814A (en) | 2015-12-16 |
| CN105149814B CN105149814B (en) | 2017-06-16 |
Family
ID=54791013
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510672008.7A Active CN105149814B (en) | 2015-10-16 | 2015-10-16 | A kind of resurfacing of rail self-protection flux-cored wire |
Country Status (1)
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| CN (1) | CN105149814B (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105945451A (en) * | 2016-04-22 | 2016-09-21 | 郑州机械研究所 | High-strength high-toughness self-protection alkaline flux-cored wire applicable to all-position welding |
| CN106925918A (en) * | 2017-04-28 | 2017-07-07 | 天津市永昌焊丝有限公司 | A kind of new self-protection flux-cored wire for X80 pipe line steels |
| CN107160057A (en) * | 2017-07-20 | 2017-09-15 | 合肥安力电力工程有限公司 | A kind of self-protection flux-cored wire |
| CN108788533A (en) * | 2018-07-09 | 2018-11-13 | 天津市永昌焊丝有限公司 | A kind of 50 feather weight marine atmosphere corrosion-resisting steel titania type gas-shielded flux-cored wires |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH03230892A (en) * | 1990-02-05 | 1991-10-14 | Nippon Steel Corp | Flux cored wire for gas shield arc welding |
| CN101722378A (en) * | 2008-10-29 | 2010-06-09 | 中冶集团建筑研究总院 | Self-protected flux-cored wire |
| CN101913032A (en) * | 2010-08-25 | 2010-12-15 | 天津市永昌焊丝有限公司 | Special self-protection flux-cored wire for resurfacing rail |
| JP2012223816A (en) * | 2011-04-07 | 2012-11-15 | Nippon Steel & Sumikin Welding Co Ltd | Coated electrode for duplex stainless steel |
| CN102886621A (en) * | 2012-10-29 | 2013-01-23 | 海门市威菱焊材制造有限公司 | Self-protected flux-cored wire |
| CN104057214A (en) * | 2014-07-01 | 2014-09-24 | 哈尔滨工业大学（威海） | Self-protection flux-cored wire for underwater wet-method welding |
-
2015
- 2015-10-16 CN CN201510672008.7A patent/CN105149814B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH03230892A (en) * | 1990-02-05 | 1991-10-14 | Nippon Steel Corp | Flux cored wire for gas shield arc welding |
| CN101722378A (en) * | 2008-10-29 | 2010-06-09 | 中冶集团建筑研究总院 | Self-protected flux-cored wire |
| CN101913032A (en) * | 2010-08-25 | 2010-12-15 | 天津市永昌焊丝有限公司 | Special self-protection flux-cored wire for resurfacing rail |
| JP2012223816A (en) * | 2011-04-07 | 2012-11-15 | Nippon Steel & Sumikin Welding Co Ltd | Coated electrode for duplex stainless steel |
| CN102886621A (en) * | 2012-10-29 | 2013-01-23 | 海门市威菱焊材制造有限公司 | Self-protected flux-cored wire |
| CN104057214A (en) * | 2014-07-01 | 2014-09-24 | 哈尔滨工业大学（威海） | Self-protection flux-cored wire for underwater wet-method welding |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105945451A (en) * | 2016-04-22 | 2016-09-21 | 郑州机械研究所 | High-strength high-toughness self-protection alkaline flux-cored wire applicable to all-position welding |
| CN105945451B (en) * | 2016-04-22 | 2018-05-08 | 郑州机械研究所有限公司 | One kind can be used for all position welding high-strength and high ductility self-shield alkaline flux-cored wire |
| CN106925918A (en) * | 2017-04-28 | 2017-07-07 | 天津市永昌焊丝有限公司 | A kind of new self-protection flux-cored wire for X80 pipe line steels |
| CN107160057A (en) * | 2017-07-20 | 2017-09-15 | 合肥安力电力工程有限公司 | A kind of self-protection flux-cored wire |
| CN108788533A (en) * | 2018-07-09 | 2018-11-13 | 天津市永昌焊丝有限公司 | A kind of 50 feather weight marine atmosphere corrosion-resisting steel titania type gas-shielded flux-cored wires |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105149814B (en) | 2017-06-16 |
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| TR01 | Transfer of patent right |
Effective date of registration: 20210924 Address after: No.1, Liujing Road, development zone, Dongli District, Tianjin Patentee after: Tianjin Jinqiao Welding Materials Group Co.,Ltd. Address before: 300300 No. 6, six Jing Road, Dongli District, Tianjin Patentee before: TIANJIN YONGCHANG WELDING WIRES Co.,Ltd. |
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| TR01 | Transfer of patent right |