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High-pressure metal hose and preparation method thereof

A metal hose and high-pressure-resistant technology, which is applied in the direction of hoses, pipes, mechanical equipment, etc., can solve the problems of high-pressure resistance of metal hoses that cannot be solved, and achieve the goal of improving corrosion resistance, excellent high-pressure resistance, and reducing fatigue failure Effect

Active Publication Date: 2017-03-22
江苏亚星波纹管有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the problem of high pressure resistance of metal hoses cannot be solved only by changing raw materials.

Method used

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  • High-pressure metal hose and preparation method thereof
  • High-pressure metal hose and preparation method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0023] A high-pressure resistant metal hose, the metal hose includes a mesh body part and connecting joints at both ends, the mesh body includes a metal bellows, a connecting pipe, a ring, and a steel wire mesh sleeve; wherein the metal bellows is composed of the following components: The parts by weight are formulated as follows: 21 parts of iron, 12 parts of nickel, 11 parts of chromium, 4 parts of tin bronze, 5 parts of titanium, 3 parts of silicon nitride, 1 part of aluminum oxide, and 1 part of tin oxide.

[0024] A method for preparing a high-pressure resistant metal hose. The metal hose is welded by a mesh body part and connecting joints at both ends, and the mesh body is welded by a metal bellows, a connecting pipe, a ring, and a steel wire mesh sleeve; the metal bellows The preparation process is as follows:

[0025] (1) Substrate preparation: Put iron and chromium into a metal melting furnace, melt at a temperature of 1920°C, then put nickel and tin bronze into it, u...

Embodiment 2

[0032] A high-pressure resistant metal hose, the metal hose includes a mesh body part and connecting joints at both ends, the mesh body includes a metal bellows, a connecting pipe, a ring, and a steel wire mesh sleeve; wherein the metal bellows is composed of the following components: The parts by weight are formulated as follows: 32 parts of iron, 21 parts of nickel, 16 parts of chromium, 8 parts of tin bronze, 9 parts of titanium, 6 parts of silicon nitride, 4 parts of aluminum oxide and 3 parts of tin oxide.

[0033] A method for preparing a high-pressure resistant metal hose. The metal hose is welded by a mesh body part and connecting joints at both ends, and the mesh body is welded by a metal bellows, a connecting pipe, a ring, and a steel wire mesh sleeve; the metal bellows The preparation process is as follows:

[0034] (1) Substrate preparation: Put iron and chromium into a metal melting furnace and melt at a temperature of 2150°C, then put nickel and tin bronze into i...

Embodiment 3

[0041] A high-pressure resistant metal hose, the metal hose includes a mesh body part and connecting joints at both ends, the mesh body includes a metal bellows, a connecting pipe, a ring, and a steel wire mesh sleeve; wherein the metal bellows is composed of the following components: The parts by weight are formulated as follows: 39 parts of iron, 25 parts of nickel, 22 parts of chromium, 11 parts of tin bronze, 11 parts of titanium, 8 parts of silicon nitride, 5 parts of aluminum oxide, and 4 parts of tin oxide.

[0042] A method for preparing a high-pressure resistant metal hose. The metal hose is welded by a mesh body part and connecting joints at both ends, and the mesh body is welded by a metal bellows, a connecting pipe, a ring, and a steel wire mesh sleeve; the metal bellows The preparation process is as follows:

[0043] (1) Substrate preparation: Put iron and chromium into a metal melting furnace and melt at a temperature of 2300°C, then put nickel and tin bronze int...

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Abstract

The invention discloses a high-pressure metal hose and a preparation method thereof. The metal hose comprises a net-body part and connectors arranged at two ends of the net-body part, wherein the net-body parts comprises a metal corrugated pipe, a connecting pipe, a ring and a steel wire net sleeve; and the metal corrugated pipe is prepared from the following components in parts by weight: 21-39 parts of iron, 12-25 parts of nickel, 11-22 parts of chromium, 4-11 parts of tin bronze, 5-11 parts of titanium, 3-8 parts of silicon nitride, 1-5 parts of aluminum oxide and 1-4 parts of tin oxide. The metal hose disclosed by the invention has the following advantages: (1) the high-pressure-resistance performance is excellent, and the water attack and the pressure of a conveying medium can be effectively resisted; and (2) through addition of a reasonable amount of carbon, the own anti-corrosion performance of the metal hose is improved, and the possibility of fatigue failure of the metal hose is lowered.

Description

technical field [0001] The invention belongs to the field of metal materials, and relates to a metal connecting pipe, in particular to a high-pressure-resistant metal hose and a preparation method thereof. Background technique [0002] The metal hose is a pipe fitting that transports various fluids with bellows as the core component. Its main function is shock absorption and noise elimination. It has good flexibility, light weight, corrosion resistance, fatigue resistance, high and low temperature resistance, shock absorption and noise reduction. , strong sealing, long service life and other advantages, widely used in aerospace, locomotive ships, metallurgy and petrochemical, urban water supply, medical and health, textile electronics, energy construction and other fields. In recent years, the market demand for high-end metal hose products has grown at a rate of more than 50% per year, and imported metal hose products have also increased at a rate of 30% per year. Therefore,...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F16L11/15C22C30/04C22C32/00C22C1/02
CPCC22C1/02C22C30/02C22C30/04C22C32/0005F16L11/15
Inventor 王铮
Owner 江苏亚星波纹管有限公司
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