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Steel strand wire rod with rare earth element coating and production method thereof

A technology of rare earth elements and production methods, which can be used in coatings, metal material coating processes, melting spray plating, etc., and can solve problems such as poor corrosion resistance and short service life.

Inactive Publication Date: 2015-03-11
TIANSHUN GROUP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] The object of the present invention is to provide a wire rod for steel strand containing rare earth element coating and its production method, which solves the problems of poor corrosion resistance and short service life of the existing steel strand, and at the same time has a smooth coating and is easy to produce. Pollution, stable surface quality and other advantages

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0020] The wire rod for steel strand containing rare earth element coating of the present invention, the chemical composition of the rare earth element coating is: Re: 0.8%, Ni: 50%, Cr: 19%, Si: 1.7%, S: 0.5%, C: 0.6%, Mn: 1.5%, compound rare earth: 0.8%, the balance is Fe; compound rare earth contains the following components by weight percentage: Y: 13, Sc: 9%, Gd: 4%, Sm: 6%, Ce: 13%, Pr: 12%, and the balance is La.

[0021] The production method of the wire rod for steel strands containing rare earth elements of the present invention comprises the following steps: (1) configuring the rare earth element coating material according to the above ratio; (2) heat treatment: heating the steel wire to 900°C through a heat treatment furnace, and keeping it warm for 12 Seconds, in order to obtain a semi-finished product with a clean surface, through the cooling process, multiple coil steel wires are rapidly cooled to 400°C, then cooled to below 80°C in the quenching device with wat...

Embodiment 2

[0023] The chemical composition of the rare earth element coating of the steel strand wire containing the rare earth element coating in the present invention is: Re: 2.0%, Ni: 52%, Cr: 25%, Si: 3.5%, S: 0.7%, C: 1.5%, Fe: 13%, Mn: 5.5%, composite rare earth: 1.2%; the composite rare earth contains the following components by weight percentage: La: 26%, Y: 14%, Sc: 10%, Gd: 5%, Sm: 6.3%, Ce: 15%, Pr: 14%, and the balance is La.

[0024] The production method of the wire rod for steel strand containing the rare earth element layer of the present invention includes the following steps: (1) configuring the rare earth element coating material according to the above ratio; (2) heat treatment: heating the steel wire to 950°C through a heat treatment furnace, Keep warm for 20 seconds to get a semi-finished product with a clean surface. Through the cooling process, multiple coil steel wires are quickly cooled to 450°C, then cooled to below 80°C in the quenching device with water or que...

Embodiment 3

[0026] The wire rod for steel strand containing the rare earth element coating of the present invention, the chemical composition of the rare earth element coating is: Re: 3.0%, Ni: 53%, Cr: 31%, Si: 5.4%, S: 0.8%, C: 2.5%, Mn: 9%, compound rare earth: 1.5%, and the balance is Fe; compound rare earth contains the following components by weight percentage: Y: 15%, Sc: 11%, Gd: 6%, Sm: 6.5% , Ce: 16%, Pr: 19%, and the balance is La.

[0027]The production method of the wire rod for steel strands containing rare earth elements of the present invention comprises the following steps: (1) configuring the rare earth element coating material according to the above ratio; (2) heat treatment: heating the steel wire to 1000°C through a heat treatment furnace, and keeping it warm for 25 Seconds, in order to obtain a semi-finished product with a clean surface, through the cooling process, multiple coil steel wires are rapidly cooled to 500°C, then cooled to below 80°C with water or quenchi...

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PUM

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Abstract

The invention discloses a steel strand wire rod with a rare earth element coating. The rare earth element coating is composed of the following chemical elements in percentage by weight: 0.8 to 3.0% of Re, 50 to 53% of Ni, 19 to 31% of Cr, 1.7 to 5.4% of Si, 0.5 to 0.8% of S, 0.6 to 2.5% of C, 1.5 to 9% of Mn, 0.8 to 1.5% of composite rare earth, and the balance being Fe; wherein the composite rare earth comprises the following components in percentage by weight: 13 to 15% of Y, 9 to 11% of Sc, 4 to 6% of Gd, 6 to 6.5% of Sm, 13 to 16% of Ce, 12 to 19% of Pr, and the balance being La. The provided wire rod can solves the problems of bad anticorrosive performance and short service life of conventional steel strand, and at the same time has the advantages of smooth coating, pollution-free production process, and stable surface quality.

Description

technical field [0001] The invention relates to a steel strand wire material, in particular to a steel strand wire material containing rare earth element coating. Background technique [0002] At present, in the existing technical conditions, when using steel strands, the environment used is extremely harsh. In many cases, there are corrosive gases or liquids, which can easily cause the steel strands to be corroded and rusted, greatly reducing the strength of the steel bars. service life, and has caused a certain safety hazard. During the 30-year service life of the wire, especially the ultra-high voltage (35 KV ~ 220KV) and large-span lines are mostly laid in mountainous areas, the roads are far away, and the conditions are even worse. Galvanized steel The stranded wires need to be replaced more than twice. This not only costs a lot of money, but also the time required to replace the conductor and the resulting impact on the engineering project and the waste of resource co...

Claims

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Application Information

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IPC IPC(8): C23C4/06C23C4/16C23C4/18C23C4/12
Inventor 姚圣法吴海洋
Owner TIANSHUN GROUP
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