ingot process(Armco Inc. will also operate a smaller plant, Empire Steel, at Mansfield, Ohio where it has invested $ 100 million for the installation of a thin-slab caster that will replace the ingot process at the plant 阿姆柯钢公司还将在俄亥俄州的曼斯菲尔德经营一家小型钢厂——帝国钢厂，现已在那里投资 1 亿美元建设一台薄板坯连铸机，以取代该厂原有的模铸工艺。)
investment casting process(The advantages of the investment casting process are that no parting line is seen, undercut sections are easily formed, no taper is required on the casting, the complexity of shape presents few problems and a very smooth surface and accurate dimensions are obtained. 熔模铸造的优点是没有分型线，铸件凹陷部分易于成形，不需要拔模锥度，浇铸形状复杂的铸件通常也不成问题，所浇铸的铸件表面光滑、尺寸精确。)
