Anticorrosive copper belt for automobile water tank and horizontal continuous casting method thereof

A technology of automobile water tank and horizontal continuous casting, which is applied in the direction of temperature control, etc., can solve the problems of shortened life of the water tank, lower copper content, lower corrosion resistance, etc., and achieve the effect of stabilizing product quality and reducing costs

Active Publication Date: 2010-07-14
HUBEI JINGYI HIGH PRECISION COPPER PLASTICS & STRIPS CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

In order to reduce the cost, the materials used for the water tank pipes of automobiles are also gradually replaced from the original H90 to H70 and H65, which greatly reduces the copper content and saves costs, but the anti-corrosion performance is reduced and the life of the water tank is shortened.

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0017] Embodiment 1: a water tank pipe material with a thickness of 0.12 mm and a width of 34 mm.

[0018] Combination of copper: 64.0-68.0%; phosphorus: 0.010-0.050%; tin: 0.010-0.050%; iron: 0.010-0.050%; into, the sum of each component reaches 100%.

[0019] Described processing method is: (1), batching: batching is carried out by the component weight percentage of anticorrosion copper strip of automobile water tank; On batching, adopt red copper or brass old material and new material cathode copper, red copper or brass old material The dosage is not more than 50% by weight;

[0020] (2) Smelting: use a cored induction furnace for covering melting, using charcoal, graphite or other carbonaceous substances as covering agents;

[0021] (3), transfer to the holding furnace: after transfer, use charcoal, graphite or other carbonaceous materials as covering agent for insulation and control phosphorus content between 100-500ppm, tin content between 100-500ppm;

[0022] (4) Hor...

Embodiment 2

[0026] Embodiment 2: a water tank tape with a thickness of 0.04 mm and a width of 50 mm.

[0027] Composed of copper: 64.0-68.0%; phosphorus: 0.010-0.050%; tin: 0.010-0.050%; and up to 100%.

[0028] Described processing method is: (1), batching: batching is carried out by the component weight percentage of anticorrosion copper strip of automobile water tank; On batching, adopt red copper or brass old material and new material cathode copper, red copper or brass old material The dosage is not more than 50% by weight;

[0029] (2) Smelting: use a cored induction furnace for covering melting, using charcoal, graphite or other carbonaceous substances as covering agents;

[0030] (3), transfer to the holding furnace: after transfer, use charcoal, graphite or other carbonaceous materials as covering agent for insulation and control phosphorus content between 100-500ppm, tin content between 100-500ppm;

[0031] (4) Horizontal continuous casting: use a horizontal continuous castin...

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Abstract

The invention discloses an anticorrosive copper belt for an automobile water tank and a horizontal continuous casting method for the anticorrosive copper belt in order to reduce the cost and improve the anticorrosive performance and the service life of the water tank. The technical scheme is that the anticorrosive copper belt for the automobile water tank contains the follow elements by weight percent: 64.0-68.0 percent of copper, 0.010-0.050 percent of phosphor, 0.010-0.050 percent of tin, 0.010-0.040 percent of iron and rest percent of zinc, the total content of unavoidable impurities is less than or equal to 0.3 percent and the sum of all components is 100 percent. The horizontal continuous casting method comprises the following steps: dosing, smelting, covering, transferring to a heat preserving furnace, covering, horizontal continuous casting, face milling, rough rolling, annealing, cleaning, medium rolling, trimming, annealing, cleaning, pre-finish rolling, annealing, cleaning, finish rolling, cutting and warehousing.

Description

technical field [0001] The invention relates to an anti-corrosion copper strip for an automobile water tank and a horizontal continuous casting processing method thereof. Background technique [0002] With the rapid development of the automobile industry, the demand for automobile water tanks is increasing. Due to the intensified competition of automobile radiators, the raw materials used to manufacture automobile radiators are also constantly being updated. In order to reduce the cost, the materials used for the water tank pipes of automobiles are also gradually replaced from the original H90 to H70 and H65, which greatly reduces the copper content and saves costs, but the anti-corrosion performance is reduced and the life of the water tank is shortened. [0003] In addition, the heat dissipation belt materials for automobile water tanks are also being updated to reduce costs, and the heat dissipation belts used in some water tanks with low requirements are also replaced f...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C22C9/04C22C1/02B22D11/16B21B37/74C22F1/08
Inventor 黄建斌杨丛生李荣清何生黄全国
Owner HUBEI JINGYI HIGH PRECISION COPPER PLASTICS & STRIPS CO LTD
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