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High-strength stranded welding wire

A high-strength, stranded wire technology, applied in welding equipment, welding media, welding/cutting media/materials, etc., can solve the difficulty of manufacturing high-strength solid-core welding wire, high cost of high-strength flux-cored welding wire, and high-strength solid-core welding wire. The problem of large spatter of cored wire can overcome the large investment in production equipment, stable arc and small welding spatter.

Active Publication Date: 2015-01-28
佛山市顺德区姚工电子有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] In view of the shortcomings of existing high-strength flux-cored welding wires such as high cost, poor wire feeding performance and poor wire feeding stability, as well as high-strength solid-cored welding wire spatter, poor arc stability, high-strength solid-cored welding wire manufacturing is difficult and expensive, etc. disadvantages, the present invention provides a high-strength stranded wire for high-strength steel welding

Method used

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  • High-strength stranded welding wire

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0047] (1) Choose copper-free welding wire sold in 7 stock markets, with a diameter of 0.5mm and a model of ER50-6.

[0048] (2) One strand of solid-core welding wire is used as the central wire, and the rest of the welding wire is used as the peripheral wire, and the existing stranding machine is used to twist into a multi-strand wire blank.

[0049] (3) The alloying agent in the drug powder contains the following components in terms of mass percentage: 0.08% C, 0.75% Si, 2.7% Mn, 1.7% Mo, 2.6% Ni, 1.0% Ti, and the balance is an arc stabilizing agent; wherein the arc stabilizing agent In parts by mass, it contains 8 parts of potassium feldspar, 10 parts of titanium dioxide, 3.0 parts of aluminum-magnesium alloy powder, 5 parts of lithium fluoride, 3 parts of sodium fluoride, 5 parts of potassium fluozirconate, 0.5 parts of yttrium oxide, and cerium oxide 0.5 parts, 0.2 parts of sodium stearate. The powder is allowed to contain impurities that do not affect its performance. ...

Embodiment 2

[0057] (1) Choose copper-plated welding wire sold in 7 stock markets, with a diameter of 1.2mm and a brand name of H08A.

[0058] (2) One strand of solid-core welding wire is used as the central wire, and the rest of the welding wire is used as the peripheral wire, and the existing stranding machine is used to twist into a multi-strand wire blank.

[0059] (3) The alloying agent in the drug powder contains the following components by mass percentage: 0.10% C, 0.7% Si, 2.8% Mn, 1.82% Mo, 1.2% Cr, 6.5% Ni, 2.0% Ti, and the balance is an arc stabilizer; Among them, the arc stabilizing agent contains 2 parts by mass of potassium feldspar, 10 parts of titanium dioxide, 2.0 parts of aluminum-magnesium alloy powder, 9.5 parts of lithium fluoride, 2 parts of sodium fluoride, 5 parts of potassium fluozirconate, fluorosilicic acid 2 parts of sodium, 1.0 part of yttrium oxide, 0.3 part of cerium oxide, and 1.0 part of sodium stearate. The powder is allowed to contain impurities that do ...

Embodiment 3

[0067] (1) Select the copper-plated welding wire sold in the 7 stock market, with a diameter of 3mm and a brand name of H08A.

[0068] (2) One strand of solid-core welding wire is used as the central wire, and the rest of the welding wire is used as the peripheral wire, and the existing stranding machine is used to twist into a multi-strand wire blank.

[0069] (3) The alloying agent in the drug powder contains the following components in terms of mass percentage: 0.10% C, 0.75% Si, 2.8% Mn, 2.8% Mo, 1.5% Cr, 6.5% Ni, 2.0% Ti, and the balance is an arc stabilizer; Among them, the arc stabilizing agent contains 5 parts by mass of potassium feldspar, 6.5 parts of titanium dioxide, 1.75 parts of aluminum-magnesium alloy powder, 4.75 parts of lithium fluoride, 5 parts of sodium fluoride, 4 parts of potassium fluozirconate, fluorosilicic acid 4 parts of sodium, 0.65 parts of yttrium oxide, 0.65 parts of cerium oxide, and 0.55 parts of sodium stearate. The powder is allowed to cont...

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Abstract

The invention discloses a high-strength stranded welding wire which comprises multiple strands of solid core welding wires and flux powder, wherein the multiple strands of solid core welding wires are stranded into a whole; the medicinal powder is extruded and fills clearances of the stranded welding wires; the cross section of the welding wire is circular; the diameter of the welding wire is 1.5-9.0mm; the flux powder comprises an alloying agent and an arc stabilizer. The high-strength stranded welding wire disclosed by the invention has the advantages of simple production process of the welding wire, low cost, good wire feeding performance, stable electric arc, high welding productivity; in addition, the length of the high-strength stranded welding wire can be random; the high-strength stranded welding wire is suitable for continuous automatic welding and can be used for gas-shielded arc welding, submerged-arc welding and electroslag welding.

Description

technical field [0001] The invention relates to a welding material, in particular to a high-strength strand welding wire for high-strength steel welding. Background technique [0002] With the rapid development of industrial technology, large-scale and highly parameterized welded structures are increasing, and these welded structures require a large number of medium and thick plates to be manufactured. In order to reduce energy consumption and cost, improve the safety and service life of the structure, the application of high-strength steel is increasing. Submerged arc welding and gas shielded welding are the main processes for welding medium and thick plates at present. High-strength steel welding materials include welding rods, solid-cored wires, and flux-cored wires. Solid-cored wires and flux-cored wires are suitable for automatic welding and are the development direction of high-strength steel welding materials. [0003] Solid core welding wire is produced by wire rod...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B23K35/18
CPCB23K35/0283B23K35/362
Inventor 杨宝胜张海涛孙俊生
Owner 佛山市顺德区姚工电子有限公司