Production method of copper-tin alloy strip

A production method, copper-tin alloy technology, applied in the production field of copper-tin alloy strips, can solve problems such as no systematic complete copper-tin alloy strips

Pending Publication Date: 2022-05-24
INST OF APPLIED PHYSICS JIANGXI ACADEMY OF SCI
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0005] Based on the above statement, the present invention provides a production method of copper-tin alloy strip, to solve the problem of the prior art mainly focusing on the production research of copper-tin alloy wire, and there is no systematic and complete production method using horizontal continuous casting + cold rolling process Technical problems of the production method of copper-tin alloy strip

Method used

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Embodiment Construction

[0036] In order to facilitate the understanding of the present application, the following will be a more comprehensive description of the present application. Embodiments of this application are given. However, the present application may be implemented in many different forms, and is not limited to the embodiments described herein. Instead, the purpose of providing these embodiments is to make the disclosure of the present application more thorough and comprehensive.

[0037] Embodiments of the present invention provides a method of producing copper-tin alloy strip, comprising in turn the following processes:

[0038] Raw material melting - horizontal continuous casting - milling surface - rough rolling and cutting edges - first cleaning - first intermediate annealing - medium rolling - second intermediate annealing - finishing - second cleaning - slitting finished products into storage.

[0039] The specific process steps are:

[0040] S1, raw material melting, the pretreated co...

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Abstract

The invention relates to a production method of a copper-tin alloy strip. The production method comprises the following steps: S1, smelting raw materials; s2, horizontal continuous casting; s3, surface milling; s4, rough rolling and edge cutting; s5, cleaning for the first time; s6, performing first intermediate annealing; s7, intermediate rolling; s8, intermediate annealing for the second time; s9, finish rolling; s10, cleaning for the second time; the production method provided by the invention is based on the fact that domestic copper strip enterprises widely have horizontal continuous casting units and cold rolling mills, hot processing such as hot rolling and hot extrusion is not involved, the technological process is controllable, the equipment investment cost is low, large-scale production is easy, and the comprehensive performance of the prepared copper-tin alloy strip is excellent.

Description

Technical field [0001] The present invention relates to a method of processing non-ferrous metal strip, specifically to a copper-tin alloy strip production method. Background [0002] Pure copper has good electrical conductivity, about 100% IACS, but the strength and softening temperature are low, for example, the tensile strength of hard pure copper alloy strip is generally less than 400MPa. In order to improve the strength of the copper strip and the temperature of softening, while maintaining a conductivity above 85% IACS, the addition of tin is a good choice, but the amount of tin added generally needs to be less than 0.12%. Copper-tin alloy strip (tin content of 0.1-0.12%) has high conductivity, thermal conductivity, corrosion resistance, moderate strength, easy processing and formability, and pure copper has better resistance to high temperature softening performance, can be widely used in automotive water tanks, heat sinks, motor fairings, relays, etc. [0003] In recent y...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C21D8/02C22C1/02B22D11/18B22D11/22B22D11/045C22F1/08B21B1/46B21B3/00C22F1/02C22C9/02
CPCC21D8/0236C21D8/0247C22C1/02B22D11/004B22D11/18B22D11/22B22D11/045C22F1/08B21B1/466B21B3/00C22F1/02C22C9/02B21B2003/005Y02P10/20
Inventor 余辉辉黄雅盼胡强
Owner INST OF APPLIED PHYSICS JIANGXI ACADEMY OF SCI
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