CN113927201A - Formula and using method of activator for Q245R carbon steel A-TIG welding - Google Patents

Formula and using method of activator for Q245R carbon steel A-TIG welding Download PDF

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Publication number
CN113927201A
CN113927201A CN202010674912.2A CN202010674912A CN113927201A CN 113927201 A CN113927201 A CN 113927201A CN 202010674912 A CN202010674912 A CN 202010674912A CN 113927201 A CN113927201 A CN 113927201A
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CN
China
Prior art keywords
powder
welding
carbon steel
activator
mno
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
Application number
CN202010674912.2A
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Chinese (zh)
Inventor
任丽丽
冯英超
扈晓刚
潘石磊
刘晓多
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China Nuclear Industry 23 Construction Co Ltd
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China Nuclear Industry 23 Construction Co Ltd
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Publication date
Application filed by China Nuclear Industry 23 Construction Co Ltd filed Critical China Nuclear Industry 23 Construction Co Ltd
Priority to CN202010674912.2A priority Critical patent/CN113927201A/en
Publication of CN113927201A publication Critical patent/CN113927201A/en
Pending legal-status Critical Current

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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
    • B23K35/28—Selection of soldering or welding materials proper with the principal constituent melting at less than 950 degrees C
    • B23K35/286—Al 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
    • B23K35/362—Selection of compositions of fluxes
    • 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
    • B23K9/167—Arc welding or cutting making use of shielding gas and of a non-consumable electrode

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Plasma & Fusion (AREA)
  • Nonmetallic Welding Materials (AREA)

Abstract

The invention discloses an activator formula for Q245R carbon steel A-TIG welding and a using method thereof, wherein the activator formula comprises the following substances in percentage by mass: SiO 22Powder of Cr2O3Powder, Al2O3Powder, TiO2Powder, MnO2Powder, Y2O3Powder B2O3And (3) powder. The formula abandons substances which are harmless to human bodies, such as halide and the like contained in the traditional active agent, has good welding quality, increases the weld penetration of welding seams, can reduce the welding production cost of factory enterprises, and greatly improves the production efficiency. The invention has the beneficial effects that: the preparation method is simple and has strong operability; the invention has good welding quality, can finish welding at one time without grooving carbon steel plates with the thickness of less than 12mm, and can finish welding only by one stepSurface welding and double-surface forming; the invention can obtain good welding seam, the welding formation of the welding seam surface is good, and the chemical composition and the mechanical property of the joint are not influenced.

Description

Formula and using method of activator for Q245R carbon steel A-TIG welding
Technical Field
The invention belongs to a formula, and particularly relates to an activator formula for Q245R carbon steel A-TIG welding and a using method thereof.
Background
In TIG, tungsten inert gas welding, since helium is expensive, argon is often used as a shielding gas in industry. Therefore, the argon tungsten-arc welding is widely used and successfully applied to the welding of various nonferrous metals, stainless steel and various alloys which are easy to oxidize and have strong nitriding and chemical activity. However, TIG welding has a low penetration depth, a low deposition rate, and low productivity, and it is difficult to weld a plate material of 3mm or more.
In recent years, a new type of a-TIG welding has attracted much attention. The A-TIG (active flux TIG) welding method is that a layer of very thin surfactant is coated on the surface of a welding plate, which can cause electric arc contraction and change the flow state of a molten pool, thereby greatly improving the welding penetration. The method can ensure that the welding penetration is 2-3 times of that of the traditional TIG welding, does not need to groove the plate with the thickness of 3-12mm, can finish the welding at one time, and can realize the double-sided forming of single-sided welding. Greatly improves the production efficiency, reduces the production cost and has wide application prospect.
At present, the activating agents for carbon steel A-TIG in the market have a plurality of formula types, are complex to select and screen, contain halide and other harmful substances, cause harm to the health of people after long-term contact, and cannot achieve ideal effects after welding.
Disclosure of Invention
The invention aims to provide an activator formula for Q245R carbon steel A-TIG welding and a using method thereof, the formula abandons substances which are harmless to human bodies, such as halides and the like contained in the traditional activator, has good welding quality, increases the weld penetration of welding seams, can reduce the welding production cost of factory enterprises, and greatly improves the production efficiency.
The technical scheme of the invention is as follows: an active agent formula for Q245R carbon steel A-TIG welding comprises the following substances in percentage by mass: SiO 22Powder of Cr2O3Powder, Al2O3Powder, TiO2Powder, MnO2Powder, Y2O3Powder B2O3And (3) powder.
The SiO230-45% of powder and Cr2O320-30% of powder and Al2O310-30% of powder and TiO25-10% of powder and MnO210-30% of powder and Y2O35-10% of powder and B2O32-10% of powder.
The SiO230% of powder and Cr2O330% of powder and Al2O3Powder 10%, TiO2Powder 5%, MnO2Powder 15%, Y2O3Powder 5%, B2O35% of powder.
The SiO230% of powder and Cr2O320% of powder and Al2O3Powder 10%, TiO2Powder 5%, MnO220% of powder Y2O310% of powder B2O35% of powder.
The SiO230% of powder and Cr2O320% of powder and Al2O320% of powder, TiO2Powder 5%, MnO2Powder 10%, Y2O3Powder 7%, B2O3And 8% of powder.
A use method of an activator formula for Q245R carbon steel A-TIG welding comprises the following steps,
(1) mixing 90-95% of welding active agent powder with 5-10% of absolute ethyl alcohol, and uniformly stirring by using a glass rod to prepare pasty or sticky liquid;
(2) polishing a carbon steel workpiece until a metal luster appears, and then cleaning stains of oil residues on the surface by using absolute ethyl alcohol;
(3) and uniformly coating the welding active agent on the surface of the carbon steel workpiece by using a brush, and welding after the absolute ethyl alcohol is completely volatilized.
The invention has the beneficial effects that: the preparation method is simple and has strong operability; the invention has good welding quality, can finish the welding at one time without grooving the carbon steel plate with the thickness of less than 12mm, and can form two sides by single-side welding; the invention can obtain good welding seam, the welding formation of the welding seam surface is good, and the chemical composition and the mechanical property of the joint are not influenced.
Detailed Description
The present invention will be described in further detail with reference to specific examples.
The invention relates to a pasty or sticky active agent which has no harm to human body.
An active agent formula for Q245R carbon steel A-TIG welding comprises the following components in percentage by mass: SiO 2230-45% of powder and Cr2O320-30% of powder and Al2O310-30% of powder and TiO25-10% of powder and MnO210-30% of powder and Y2O35-10% of powder and B2O32-10% of powder.
An active agent formula for Q245R carbon steel A-TIG welding comprises the following components in percentage by mass: SiO 2230% of powder and Cr2O330% of powder and Al2O3Powder 10%, TiO2Powder 5%, MnO2Powder 15%, Y2O3Powder 5%, B2O35% of powder.
An active agent formula for Q245R carbon steel A-TIG welding comprises the following components in percentage by mass: SiO 2230% of powder and Cr2O320% of powder and Al2O3Powder 10%, TiO2Powder 5%, MnO220% of powder Y2O310% of powder B2O35% of powder.
An active agent formula for Q245R carbon steel A-TIG welding comprises the following components in percentage by mass: SiO 2230% of powder and Cr2O320% of powder and Al2O320% of powder, TiO2Powder 5%, MnO2Powder 10%, Y2O3Powder 7%, B2O3And 8% of powder.
A use method of an active agent formula for Q245R carbon steel A-TIG welding comprises the following steps:
(1) mixing 90-95% of welding active agent powder with 5-10% of absolute ethyl alcohol, and uniformly stirring by using a glass rod to prepare pasty or sticky liquid;
(2) polishing a carbon steel workpiece until a metal luster appears, and then cleaning stains of oil residues on the surface by using absolute ethyl alcohol;
(3) and uniformly coating the welding active agent on the surface of the carbon steel workpiece by using a brush, and welding after the absolute ethyl alcohol is completely volatilized.

Claims (6)

1. An activator formula for Q245R carbon steel A-TIG welding, which is characterized in that: the material consists of the following substances in percentage by mass: SiO 22Powder of Cr2O3Powder, Al2O3Powder, TiO2Powder, MnO2Powder, Y2O3Powder B2O3And (3) powder.
2. The activator formulation for a-TIG welding of Q245R carbon steel of claim 1, wherein: the SiO230-45% of powder and Cr2O320-30% of powder and Al2O310-30% of powder and TiO25-10% of powder and MnO210-30% of powder and Y2O35-10% of powder and B2O32-10% of powder.
3. The activator formulation for a-TIG welding of Q245R carbon steel of claim 1, wherein: the SiO230% of powder and Cr2O330% of powder and Al2O3Powder 10%, TiO2Powder 5%, MnO2Powder 15%, Y2O3Powder 5%, B2O35% of powder.
4. The activator formulation for a-TIG welding of Q245R carbon steel of claim 1, wherein: the SiO230% of powder and Cr2O320% of powder and Al2O3Powder 10%, TiO2Powder 5%, MnO220% of powder Y2O310% of powder B2O35% of powder.
5. The activator formulation for a-TIG welding of Q245R carbon steel of claim 1, wherein: the SiO230% of powder and Cr2O320% of powder and Al2O320% of powder, TiO2Powder 5%, MnO2Powder 10%, Y2O3Powder 7%, B2O3And 8% of powder.
6. A use method of an activator formula for Q245R carbon steel A-TIG welding is characterized in that: comprises the following steps of (a) carrying out,
(1) mixing 90-95% of welding active agent powder with 5-10% of absolute ethyl alcohol, and uniformly stirring by using a glass rod to prepare pasty or sticky liquid;
(2) polishing a carbon steel workpiece until a metal luster appears, and then cleaning stains of oil residues on the surface by using absolute ethyl alcohol;
(3) and uniformly coating the welding active agent on the surface of the carbon steel workpiece by using a brush, and welding after the absolute ethyl alcohol is completely volatilized.
CN202010674912.2A 2020-07-14 2020-07-14 Formula and using method of activator for Q245R carbon steel A-TIG welding Pending CN113927201A (en)

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CN202010674912.2A CN113927201A (en) 2020-07-14 2020-07-14 Formula and using method of activator for Q245R carbon steel A-TIG welding

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CN202010674912.2A CN113927201A (en) 2020-07-14 2020-07-14 Formula and using method of activator for Q245R carbon steel A-TIG welding

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Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2002205190A (en) * 2001-01-09 2002-07-23 Kobe Steel Ltd Flux composition for tig welding
CA2505440A1 (en) * 2004-05-03 2005-11-03 Industria Proveedora De Partes Metalurgicas Limitada A corrosion resisting joining area and method between materials of copper and stainless steel or titanium, which are the constituents of permanent cathodes for electrolytic processes and cathodes obtained
TW201039963A (en) * 2009-05-14 2010-11-16 Nat Pingtung University Of Science & Techno Logy Welding flux for carbon steels
CN103990919A (en) * 2014-04-21 2014-08-20 张家港华宝机械制造有限公司 Dedicated welding active agent for deep penetration TIG welding and using method
CN107262971A (en) * 2017-06-14 2017-10-20 海宁瑞奥金属科技有限公司 A kind of A TIG welds activated rosin flux
CN108161279A (en) * 2017-12-27 2018-06-15 中国核工业二三建设有限公司 A kind of carbon steel A-TIG weldering activating agents and welding method
CN108247236A (en) * 2017-12-27 2018-07-06 中国核工业二三建设有限公司 A kind of stainless steel A-TIG weldering activating agents and welding method

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2002205190A (en) * 2001-01-09 2002-07-23 Kobe Steel Ltd Flux composition for tig welding
CA2505440A1 (en) * 2004-05-03 2005-11-03 Industria Proveedora De Partes Metalurgicas Limitada A corrosion resisting joining area and method between materials of copper and stainless steel or titanium, which are the constituents of permanent cathodes for electrolytic processes and cathodes obtained
TW201039963A (en) * 2009-05-14 2010-11-16 Nat Pingtung University Of Science & Techno Logy Welding flux for carbon steels
CN103990919A (en) * 2014-04-21 2014-08-20 张家港华宝机械制造有限公司 Dedicated welding active agent for deep penetration TIG welding and using method
CN107262971A (en) * 2017-06-14 2017-10-20 海宁瑞奥金属科技有限公司 A kind of A TIG welds activated rosin flux
CN108161279A (en) * 2017-12-27 2018-06-15 中国核工业二三建设有限公司 A kind of carbon steel A-TIG weldering activating agents and welding method
CN108247236A (en) * 2017-12-27 2018-07-06 中国核工业二三建设有限公司 A kind of stainless steel A-TIG weldering activating agents and welding method

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
徐宏彤等: "铸钢补焊用活性剂研制", 《电焊机》 *

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