Medium-strength aluminum alloy single wire

A technology of aluminum alloy and aluminum alloy material, applied in the direction of metal/alloy conductor, etc., can solve the problems of complex production process, high cost, low electrical conductivity, etc., and achieve the effects of high electrical conductivity, increased elongation, and strong tensile strength

Inactive Publication Date: 2015-09-09
JIANGSU HENGTONG ELECTRICAL SPECIAL WIRE CO LTD
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AI Technical Summary

Problems solved by technology

In recent years, a lot of research has been carried out on medium-strength all-aluminum alloy wires in China. However, due to the large gap between domestic production technology and foreign countries, domestic medium-strength all-al

Method used

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Examples

Experimental program
Comparison scheme
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Example Embodiment

[0023] Embodiments 1 to 3: a medium-strength aluminum-aluminum alloy single wire, and the high-conductivity aluminum alloy material is composed of the following components by weight, as shown in Table 1:

[0024] Table 1

[0025] Example 1 Example 2 Example 3 Iron 0.3~0.5% 0.3% 0.4% 0.5% Magnesium 0.3~0.3% 0.2% 0.27% 0.3% Silicon 0.1~0.2% 0.15% 0.15% 0.15% Rare earth mixture 0.03~0.5% 0.45% 0.45% 0.45% Copper 0.02~0.04% 0.03% 0.03% 0.035% beryllium 0.12% 0.09% 0.1% Aluminum content not less than 98.5% 98.75% 98.61% 98.465%

[0026] The rare earth element is composed of lanthanum, cerium and scandium; and in Example 1, lanthanum, cerium and scandium are mixed according to a ratio of 14:5:1.2 by weight to form the rare earth element, and in Example 2, lanthanum, cerium and scandium are mixed according to 14: The rare earth element is formed by mixing in a ratio of 6:1 by weight to form the rare earth ele...

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PUM

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Abstract

The invention discloses a medium-strength aluminum alloy single wire. An aluminum alloy rod for shielding consists of the following components in parts by weight: 0.3-0.5% of iron, 0.3-0.3% of magnesium, 0.1-0.2% of silicon, 0.03-0.5% of rare earth mixture, 0.02-0.04% of copper, 0.08-0.12% of beryllium, and aluminum not lower than 98.4%; the sum of all the components is 100%; the rare earth element consists of lanthanum, cerium and scandium; the lanthanum, the cerium and the scandium are mixed in proportion by weight parts of 14: 5-7: 0.9-1.2 to form the rare earth element; the model number of aluminum is LHA3-GD; and the lanthanum, the cerium and the scandium are mixed in proportion by weight parts of 14: 6: 1 to form the rare earth element. The medium-strength and high-electric-conductivity aluminum alloy material is high in electric conductivity; the tensile strength is high up to achieve a purpose of providing a high-performance and medium-strength aluminum alloy lead to the construction of the state grid corporation of China; the electric conductivity reaches above 69.2% IACS; the tensile strength is 240-255 MPa; and the ductility reaches 2.0-3.5%.

Description

technical field [0001] The invention relates to a high-conductivity aluminum alloy material, in particular to a medium-strength aluminum-aluminum alloy single wire. Background technique [0002] With the rapid development of my country's economic construction, the demand for electricity is increasing year by year. How to make full use of existing line corridors and line facilities, transmit as much power as possible, reduce line loss, and improve power transmission efficiency have become issues that must be considered by power operation departments. [0003] At present, steel-cored aluminum stranded wires are commonly used in my country's high-voltage, ultra-high voltage and ultra-high voltage overhead transmission lines. The production and application technology of this type of wire is basically mature, but its transmission line loss is high, corrosion resistance is poor, and the current carrying capacity is low. The use of all-aluminum alloy conductors (AAAC) on the trans...

Claims

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Application Information

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IPC IPC(8): C22C21/00H01B1/02
Inventor 马军李名珍张军
Owner JIANGSU HENGTONG ELECTRICAL SPECIAL WIRE CO LTD
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