The difference of phosphate coating between aluminum alloy sheet and cold rolled sheet is compared by the test of chemical converted film and its structure on the surface of aluminum alloy sheet.

通过对铝合金板材进行的化学转化膜及膜结构的研究试验，对比了铝合金板与冷轧钢板磷化的异同点。

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Derusting, oxide skin removing and surface hardening for copper castings, sheet metal, stainless steel strips, aluminum castings.

铜合金铸件，薄板、不锈钢带、铝合金铸件除锈、除氧化皮及表面强化。

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Mirror aluminum is the aluminum sheet processed by rolling, polishing and other methods to make its surface appear like a mirror.

镜面铝是指通过轧延、打磨，抛光等方法处理，使板材表面呈现镜面效果的铝板。

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For instance, when a product's aluminum surface is shrunk or bent, the amount of on-order aluminum sheet metal changes instantly.

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