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Solid calcium metal, ferrosilicon and titanium-silicon nitride alloy powder composite core spun yarn

A technology of titanium silicon nitride and metal calcium, which is applied in the field of alloy cored wire, and can solve the problems of low recovery rate

Inactive Publication Date: 2017-05-24
浙江宝信炉料股份有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0007] The purpose of the present invention is to provide a composite cored wire of solid metal calcium, ferrosilicon, titanium silicon nitride alloy powder, by adopting the method of cored wire to add alloy and calcium in the microalloyed steel can not only solve the low recovery rate At the same time, compared with the conventional solid metal calcium wire, the yield is higher, the storage time is longer, and the yield is more stable, which has significant economic benefits.

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0039] A composite cored wire made of solid metal calcium, ferrosilicon, and titanium-silicon nitride alloy powder, the cored wire includes a core layer and a steel skin layer wrapped outside the core layer, and a steel or steel layer is arranged between the core layer and the steel skin layer A mesh support layer made of iron, the core layer includes a silicon-iron-titanium-silicon nitride alloy powder layer, an intermediate protective layer and a solid metal calcium wire, the solid metal calcium wire is wrapped by an intermediate protective layer, and the silicon-iron titanium nitride The silicon alloy powder layer wraps the middle protective layer, and the ferrosilicon nitride titanium silicon alloy powder layer is ferrosilicon powder and titanium silicon nitride alloy powder with a particle size of less than 3mm, and the solid metal calcium wire and ferrosilicon, nitride The mass ratio of the titanium-silicon alloy powder is 1:2:3; the titanium-silicon nitride alloy powder ...

Embodiment 2

[0051] A composite cored wire made of solid metal calcium, ferrosilicon, and titanium-silicon nitride alloy powder, the cored wire includes a core layer and a steel skin layer wrapped outside the core layer, and a steel or steel layer is arranged between the core layer and the steel skin layer A mesh support layer made of iron, the core layer includes a silicon-iron-titanium-silicon nitride alloy powder layer, an intermediate protective layer and a solid metal calcium wire, the solid metal calcium wire is wrapped by an intermediate protective layer, and the silicon-iron titanium nitride The silicon alloy powder layer wraps the middle protective layer, and the ferrosilicon nitride titanium silicon alloy powder layer is ferrosilicon powder and titanium silicon nitride alloy powder with a particle size of less than 3mm, and the solid metal calcium wire and ferrosilicon, nitride The mass ratio of the titanium-silicon alloy powder is 1:2:3; the titanium-silicon nitride alloy powder ...

Embodiment 3

[0063] A composite cored wire made of solid metal calcium, ferrosilicon, and titanium-silicon nitride alloy powder, the cored wire includes a core layer and a steel skin layer wrapped outside the core layer, and a steel or steel layer is arranged between the core layer and the steel skin layer A mesh support layer made of iron, the core layer includes a silicon-iron-titanium-silicon nitride alloy powder layer, an intermediate protective layer and a solid metal calcium wire, the solid metal calcium wire is wrapped by an intermediate protective layer, and the silicon-iron titanium nitride The silicon alloy powder layer wraps the middle protective layer, and the ferrosilicon nitride titanium silicon alloy powder layer is ferrosilicon powder and titanium silicon nitride alloy powder with a particle size of less than 3mm, and the solid metal calcium wire and ferrosilicon, nitride The mass ratio of the titanium-silicon alloy powder is 1:2:3; the titanium-silicon nitride alloy powder ...

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Abstract

The invention relates to alloy core spun yarn, in particular to solid calcium metal, ferrosilicon and titanium-silicon nitride alloy powder composite core spun yarn. The solid calcium metal, ferrosilicon and titanium-silicon nitride alloy powder composite core spun yarn comprises a core layer and a sheet steel layer wrapping the outside of the core layer; a netlike supporting layer made of steel or iron is arranged between the core layer and the sheet steel layer; the core layer comprises a ferrosilicon and titanium-silicon nitride alloy powder layer, a middle protection layer and a solid calcium metal line; the solid calcium metal line is wrapped with the middle protection layer; the ferrosilicon and titanium-silicon nitride alloy powder layer wraps the middle protection layer and is composed of ferrosilicon powder and titanium-silicon nitride alloy powder of which the particle sizes are 3 mm or smaller; and the mass ratio of the solid calcium metal line to the ferrosilicon power to the titanium-silicon nitride alloy powder is 1:(1-2):(2-5). Compared with common solid calcium metal lines, the solid calcium metal, ferrosilicon and titanium-silicon nitride alloy powder composite core spun yarn has the advantages that the yield is higher, the preservation time is longer, the yield is more stable, and remarkable economic benefits are achieved.

Description

technical field [0001] The invention relates to an alloy cored wire. Background technique [0002] my country is a big country of iron and steel, but the quantity and variety of high-quality steel account for a relatively small proportion, which not only cannot meet the requirements of my country's economic construction and national defense construction, but also causes a serious waste of resources, resulting in continuous increase in the cost of iron and steel smelting. The fundamental way to solve the above problems is to adopt the new metallurgical discipline that appeared in the 1970s—microalloying technology, that is, adding a small amount (0.001%-0.1%) of alloying elements to the steel can improve the properties of the steel (such as high Strength, high toughness, good weldability and corrosion resistance) have been significantly improved, while saving precious alloying elements to reduce costs, which is an important sign of the transformation from traditional steel pr...

Claims

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Application Information

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IPC IPC(8): C21C7/06C21C7/064C21C7/00
CPCC21C7/06C21C7/0006C21C7/0056C21C7/0645
Inventor 凌春源
Owner 浙江宝信炉料股份有限公司
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