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Ship steel submerged-arc horizontal welding flux and preparation method thereof

A marine steel, high content technology, applied in the direction of welding equipment, welding medium, manufacturing tools, etc., can solve the problems of narrow use range, high price, low cost submerged arc horizontal welding flux, etc., to achieve high production efficiency, good welding quality, Good slag removal effect

Inactive Publication Date: 2017-03-22
HUDONG HEAVY MACHINERY +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

However, these two kinds of horizontal welding fluxes are special fluxes for special materials and special purposes. They are expensive and have a narrow range of use. At present, there is no one in the market that has wide applicability, good combination of process performance and mechanical properties, and low cost. Low Submerged Arc Horizontal Welding Flux

Method used

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  • Ship steel submerged-arc horizontal welding flux and preparation method thereof

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Comparison scheme
Effect test

Embodiment 1

[0038] A marine steel submerged arc horizontal welding flux and its preparation method, the components of the flux and the weight percentages of each component are: magnesia: 28%; wollastonite: 15%; alumina: 28%; fluorite : 14%; marble: 6%; rutile: 1%; manganese ore: 5%; ferrosilicon: 3%. The preparation method is as follows: first dry mix the powder material weighed by weight percentage in a dry mixer, put it into a wet mixer after dry mixing evenly, add water glass with a total weight of 24% of the ingredients for wet mixing, and mix it evenly The wet powder is sent to the granulation tray through the conveyor belt for granulation, baked at 250°C-300°C for 0.5 hours, and sieved the flux after removing moisture, and sintered the sieved flux at a high temperature of 750°C-800°C for 1.5 hours After cooling with the furnace, pass through a sieve of 10 mesh to 50 mesh to obtain the finished sintered flux.

Embodiment 2

[0040] A marine steel submerged arc horizontal welding flux and its preparation method, the components of the flux and the weight percentages of each component are: magnesia: 35%; wollastonite: 5%; alumina: 28%; fluorite : 10%; marble: 10%; rutile: 10%; manganese ore: 1%; ferrosilicon: 1%. The preparation method is as follows: first dry mix the powder material weighed by weight percentage in a dry mixer, put it into a wet mixer after dry mixing evenly, add water glass with a total weight of 24% of the ingredients for wet mixing, and mix it evenly The wet powder is sent to the granulation tray through the conveyor belt for granulation, baked at 250°C to 300°C for 1 hour, and sieved the flux after removing moisture, and sintered the sieved flux at a high temperature of 750°C to 800°C for 1 hour After cooling with the furnace, pass through a sieve of 10 mesh to 50 mesh to obtain the finished sintered flux.

Embodiment 3

[0042] A marine steel submerged arc horizontal welding flux and its preparation method, the components of the flux and the weight percentages of each component are: magnesia: 20%; wollastonite: 20%; alumina: 15%; fluorite : 20%; marble: 4%; rutile: 1%; manganese ore: 10%; ferrosilicon: 10%. The preparation method is as follows: first dry mix the powder material weighed by weight percentage in a dry mixer, put it into a wet mixer after dry mixing evenly, add water glass with a total weight of 24% of the ingredients for wet mixing, and mix it evenly The wet powder is sent to the granulation tray through the conveyor belt for granulation, baked at 250°C-300°C for 1.5 hours, and sieved the flux after removing moisture, and sintered the sieved flux at a high temperature of 750°C-800°C for 0.5 hours After cooling with the furnace, pass through a sieve of 10 mesh to 50 mesh to obtain the finished sintered flux.

[0043] Use the above flux with GB H08Mn2SiA submerged arc welding wire...

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Abstract

The invention discloses a ship steel submerged-arc horizontal welding flux and a preparation method thereof. The ship steel submerged-arc horizontal welding flux comprises the following components by weight percent: 20-35% of magnesia, 5-20% of wollastonite, 15-30% of aluminium oxide, 10-20% of fluorite, 1-10% of marble, 1-10% of rutile, 1-10% of manganese ore and 1-10% of ferrosilicon. The ship steel submerged-arc horizontal welding flux has the characteristics of high production efficiency, low comprehensive cost, good welding quality and the like, solves the problems in submerged-arc horizontal welding, has favorable welding processing property and mechanical property, and is attractive in weld forming, easy in deslagging and very suitable for submerged-arc horizontal welding.

Description

technical field [0001] The invention belongs to the technical field of welding materials, and in particular relates to a marine steel submerged arc transverse welding flux and a preparation method thereof. Background technique [0002] With the rapid development of my country's heavy industry, automatic submerged arc welding has been widely used in industrial production due to its advantages of convenient operation, simple use, and no arc light, and will increasingly become the mainstay of heavy industry. In order to ensure the welding quality and production efficiency of submerged arc welding, and improve the working conditions on site, future welding researchers will conduct in-depth research on intelligence and automation, and will also develop the all-position weldability of submerged arc welding. Submerged arc welding is widely used in shipbuilding and construction industries. Some larger workpieces are not suitable for turning them over, laying them down, and then wel...

Claims

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Application Information

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IPC IPC(8): B23K35/362
CPCB23K35/3602B23K35/362
Inventor 周方明刘永艳冯师超郑建勋周鸿翔
Owner HUDONG HEAVY MACHINERY
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