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进口铝合金棒材

  • 所属分类:拉丝

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  • 发布日期:2018/09/03
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详细介绍

铝合金哪家好


为了获得各种形状与规格的优质精密铸件,用于铸造的铝合金一般具有以下特性。


(1)有填充狭槽窄缝部分的良好流动性


(2)有比一般金属低的熔点,但能满足极大部分情况的要求


(3)导热性能好,熔融铝的热量能快速向铸模传递,铸造周期较短


(4)熔体中的氢气和其他有害气体可通过处理得到有效的控制


(5)铝合金铸造时,没有热脆开裂和撕裂的倾向


(6)化学稳定性好,抗蚀性能强


(7)不易产生表面缺陷,铸件表面有良好的表面光洁度和光泽,而且易于进行表面处理


(8)铸造铝合金的加工性能好,可用压模、硬模、生砂和干砂模、熔模石膏型铸造模进行铸造生产,也可用真空铸造、低压和高压铸造、挤压铸造、半固态铸造、离心铸造等方法成形,生产不同用途、不同品种规格、不同性能的各种铸件。

In order to obtain high quality precision castings of various shapes and specifications, aluminum alloys used for casting generally have the following characteristics.

(1) good fluidity with narrow slot in filling slot.

(2) there is a melting point lower than that of ordinary metals, but it can meet most of the requirements.

(3) thermal conductivity is good, the heat of molten aluminum can be transferred to the mold quickly, and the casting cycle is short.

(4) hydrogen and other harmful gases in melts can be effectively controlled through treatment.

(5) when aluminum alloy is cast, there is no tendency of hot brittle cracking and tear.

(6) good chemical stability and strong corrosion resistance.

(7) It is not easy to produce surface defects, and the surface of castings has good smoothness and gloss, and is easy to be treated.

(8) Casting aluminium alloys have good processability and can be produced by die casting, hard casting, raw sand and dry sand casting, investment casting plaster casting, vacuum casting, low pressure and high pressure casting, squeeze casting, semi-solid casting, centrifugal casting and other methods to produce different uses, different specifications, different properties. All kinds of castings.


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关键词:进口铝合金棒材,铝合金厂家,铝合金哪家好

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