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High-strength anti-corrosion collecting pipe material and manufacturing method thereof

A production method and anti-corrosion technology, applied in temperature control, metal rolling, manufacturing tools, etc., to meet performance requirements, excellent anti-corrosion performance, and long service life

Inactive Publication Date: 2018-11-06
DALISHEN ALUMINUM
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

At present, the new trend in the development of heat exchangers is to use materials to reduce the weight and cost of heat exchangers. With the continuous innovation of processes, continuous improvement of quality and intensified market competition, this requires the strength of the material itself, corrosion resistance and other technologies. Indicators need to achieve higher goals, and traditional aluminum alloys have been difficult to meet this requirement

Method used

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  • High-strength anti-corrosion collecting pipe material and manufacturing method thereof
  • High-strength anti-corrosion collecting pipe material and manufacturing method thereof
  • High-strength anti-corrosion collecting pipe material and manufacturing method thereof

Examples

Experimental program
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Embodiment 1

[0022] The technical solution provided by this embodiment of the present invention is: a material for the production of high-strength and corrosion-resistant collecting pipes, the material includes a core material and a skin material, the skin material is compounded on the surface of the core material, so The core material contains the following chemical components by mass percentage: Si: 0.07%, Fe: 0.17%, Cu: 0.45%, Mn: 1.1%, Mg: 0.2%, Zn: 0.03%, Ti: 0.07%, the balance is Al And unavoidable impurities; the leather material contains the following chemical components by mass percentage: Si: 7.9%, Fe: 0.2%, Cu: 0.05%, Mn: 0.05%, Mg: 0.01%, Zn: 0.04%, the balance It is Al and inevitable impurities.

[0023] The production of the above materials includes the following steps: melting and casting-milling-compounding-heating-hot rolling-cold rolling-finished annealing-bending straightening-slitting-packaging and storage, the specific process is as follows:

[0024] Melt and cast the core...

Embodiment 2

[0030] This embodiment provides a method for producing a high-strength, corrosion-resistant collecting pipe material.

[0031] The core material contains the following chemical components (wt%) in mass percentages: Si: 0.08%, Fe: 0.16%, Cu: 0.44%, Mn: 1.13%, Mg: 0.21%, Zn: 0.01%, Ti: 0.08% , The balance is Al and unavoidable impurities. The leather material contains the following chemical components (wt%) in mass percentage: Si: 7.9%, Fe: 0.2%, Cu: 0.05%, Mn: 0.05%, Mg: 0.01 %, Zn: 0.03%, the balance is Al and inevitable impurities.

[0032] Making the above materials includes the following steps:

[0033] The core material is smelted, cast and milled: smelt according to the chemical composition of the above core material, at a melting temperature of 650°C, and use a covering agent, then use a mixture of chlorine and argon to refine the melt and add Al-Ti-B Carrying out grain refinement, at the same time using a degassing device for online melt degassing, using 30 / 40ppi two-stage c...

Embodiment 3

[0039] This embodiment provides a method for producing a high-strength, corrosion-resistant collecting pipe material.

[0040] The core material contains the following chemical components (wt%) in mass percentages: Si: 0.07%, Fe: 0.17%, Cu: 0.46%, Mn: 1.10%, Mg: 0.21%, Zn: 0.02%, Ti: 0.75% , The balance is Al and unavoidable impurities. The leather material contains the following chemical components (wt%) in mass percentage: Si: 7.9%, Fe: 0.2%, Cu: 0.05%, Mn: 0.05%, Mg: 0.01 %, Zn: 0.02%, the balance is Al and inevitable impurities.

[0041] Making the above materials includes the following steps:

[0042] The core material is smelted, cast and milled: smelt according to the chemical composition of the above core material, at a melting temperature of 750°C, and use a covering agent, then use a mixture of chlorine and argon to refine the melt, and add Al-Ti-B Carrying out grain refinement, at the same time using a degassing device for online melt degassing, using 30 / 40ppi two-stage ...

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Abstract

The invention discloses a high-strength anti-corrosion collecting pipe material which comprises a core material and a skin material. The skin material is composited on the surface of the core material. The core material comprises the following chemical components of, by mass, 0.05-0.15% of Si, 0.15-0.35% of Fe, 0.4-0.5% of Cu, 1.0-1.5% of Mn, 0.15-0.25% of Mg, 0.05% or the less of Zn, 0.05-0.12% of Ti and the balance Al and inevitable impurities. The skin material comprises the following chemical components of, by mass, 6.8-8.2% of Si, 0.3% or the less of Fe, 0.3% or the less of Cu, 0.1% or the less of Mn, 0.05% or the less of Mg, 0.1% or the less of Zn, 0.05% or the less of Ti and the balance Al and inevitable impurities.

Description

Technical field [0001] The invention relates to the technical field of metal materials and metal material processing and molding, in particular to a high-strength corrosion-resistant collecting pipe material and a manufacturing method thereof. Background technique [0002] Aluminum and aluminum alloy strip materials are one of the important raw materials for national economic and social development. Automobiles have become a hot product for mass consumption. In 2016, my country sold 28 million vehicles. As the main material of automobile heat exchange devices, aluminum is required to work under high-strength conditions to achieve both thin-walled and high-strength And high corrosion resistance. At present, the new trend of heat exchanger development is to use materials to reduce the weight and cost of heat exchangers. With the continuous innovation of technology, continuous improvement of quality and increasingly fierce market competition, this requires the strength of the materi...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C22C1/02C22C1/06C22F1/043C22C21/02B21B37/74B21B37/16B23P15/00
CPCB21B37/16B21B37/74B23P15/00C22C1/026C22C1/06C22C21/02C22F1/043
Inventor 曹晓国曹旷李海峰汪波唐友增杨天真刘志明
Owner DALISHEN ALUMINUM
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