Inoculating the cast iron containing lead, complex alloy can improve effectively the structure and properties of the cast iron.

用含锆硅铁以及它的复合合金对含铅、砷、锡等杂质元素的铸铁进行孕育处理，可以有效地改善铸铁的组织和性能。

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Resutls also prove the best comprehensive effect on refining of steel can be obtained by the addition of MgCa-RE complex alloy.

结果还表明使用镁钙稀土复合合金可取得最佳的综合精炼效果。

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The present invention discloses a manufacture method for a composite layer of a complex alloy steel pipe, a fastening element, and a protective grating.

本发明公开了一种多元合金钢管、紧固件、防护栏复合层的制作方法。

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For instance, while the vast majority of meteorites are stone, almost all sculpturals are made of an iron-nickel alloy, which takes on beautifully complex shapes as it falls to Earth through a process called ablation.

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