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High-speed submerged-arc welding agent for thin plates

A submerged arc flux, high-speed technology, applied in the direction of arc welding equipment, welding medium, welding equipment, etc., can solve the problems of easy welding penetration, etc., to achieve beautiful weld bead formation, excellent welding process performance and mechanical properties, and good welding quality Effect

Active Publication Date: 2013-02-13
TIANJIN GOLDEN BRIDGE WELDING MATERIALS GRP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Submerged arc welding is the most widely used automatic welding method, which has the advantages of large welding parameters and high welding efficiency, but when welding thin plates, it is easy to weld through

Method used

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  • High-speed submerged-arc welding agent for thin plates
  • High-speed submerged-arc welding agent for thin plates
  • High-speed submerged-arc welding agent for thin plates

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0028] A high-speed submerged arc welding flux for thin plates, the sintered flux components are composed of calcined α-type aluminum oxide, fluorite, coarse magnesia, fine magnesia, silica mud, wollastonite, barium fluoride, manganese metal and ferrosilicon , the weight percent of its formula components is: calcined α-type aluminum oxide 40%, fluorite 35%, coarse magnesia 5%, fine magnesia 10%, silica mud 1%, wollastonite 5%, fluoride Barium 1%, metal manganese 2%, ferrosilicon 1%, CaF in the fluorite 2 Content ≥ 92%, MgO in the coarse magnesia ≥ 88%, MgO in the fine magnesia ≥ 88%, SiO in the silica mud 2 ≥97%, CaO≥38% and SiO in wollastonite 2 ≥42%, Si≥72% in the ferrosilicon alloy.

Embodiment 2

[0030] A high-speed submerged arc welding flux for thin plates, the sintered flux components are composed of calcined α-type aluminum oxide, fluorite, coarse magnesia, fine magnesia, silica mud, wollastonite, barium fluoride, manganese metal and ferrosilicon , the weight percent of its formula components is: calcined α-type aluminum oxide 30%, fluorite 40%, coarse magnesia 5%, fine magnesia 12%, silica mud 2%, wollastonite 6%, fluoride Barium 1%, metal manganese 3%, ferrosilicon 1%, CaF in the fluorite 2 Content ≥ 92%, MgO in the coarse magnesia ≥ 88%, MgO in the fine magnesia ≥ 88%, SiO in the silica mud 2 ≥97%, CaO≥38% and SiO in wollastonite 2 ≥42%, Si≥72% in the ferrosilicon alloy.

Embodiment 3

[0032] A high-speed submerged arc welding flux for thin plates, the sintered flux components are composed of calcined α-type aluminum oxide, fluorite, coarse magnesia, fine magnesia, silica mud, wollastonite, barium fluoride, manganese metal and ferrosilicon , the weight percent of its formula components is: calcined α-type aluminum oxide 32%, fluorite 37%, coarse magnesia 6%, fine magnesia 11%, silica mud 1%, wollastonite 7%, fluoride Barium 2%, metal manganese 2%, ferrosilicon 2%, CaF in the fluorite 2 Content ≥ 92%, MgO in the coarse magnesia ≥ 88%, MgO in the fine magnesia ≥ 88%, SiO in the silica mud 2 ≥97%, CaO≥38% and SiO in wollastonite 2 ≥42%, Si≥72% in the ferrosilicon alloy.

[0033] The flux of the above-mentioned embodiments is welded with H08A welding wire, and the corresponding mechanical properties are shown in the following table:

[0034]

[0035] Through the above test results, verify the mechanical properties:

[0036] The above-mentioned welding tes...

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Abstract

The invention discloses a high-speed submerged-arc welding agent for thin plates, which comprises the following components by weight percent: 30 to 40 percent of calcined Alpha type aluminum sesquioxide, 35 to 45 percent of fluorite, 5 to 10 percent of coarse magnesia, 10 to 15 percent of fine magnesia, 1 to 5 percent of siliceous ooze, 5 to 10 percent of wollastonite, 1 to 5 percent of barium fluoride, 1 to 5 percent of manganese metal and 1 to 5 percent of ferrosilicon, wherein the total weight percent of all the components is 100 percent. The high-speed submerged-arc welding agent has the advantages that the production efficiency is high; the comprehensive cost is low; the welding quality is good; difficulty in submerged-arc welding of the thin plates is reduced; the welding property and the mechanical property are superior; the formation of a welding bead is beautiful; and residue removing is very easy.

Description

technical field [0001] The invention belongs to the technical field of welding materials, in particular to a thin-plate high-speed submerged arc welding flux. Background technique [0002] With the advancement of my country's industrial technology and the adjustment of national industrial policies, high-speed welding technology has begun to be applied in the industrial field. High-speed welding technology can improve production efficiency, save labor costs and increase economic benefits. Submerged arc welding is the most widely used automatic welding method, which has the advantages of large welding parameters and high welding efficiency, but it is easy to weld through when welding thin plates. Because the flux has the characteristics of high welding speed and high work efficiency, it has a very good application prospect. Contents of the invention [0003] The technical problem to be solved by the present invention is to provide a thin plate high-speed submerged arc flux...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B23K35/362B23K9/18
Inventor 陈洋田国锋
Owner TIANJIN GOLDEN BRIDGE WELDING MATERIALS GRP
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