目前的双金属复合工艺主要是镶铸、包覆铸造以及焊接。
The existing bimetal composite processes mainly are of cast-in casting, cast cladding and welding.
介绍了国内外主要开发应用的冷成型法、热挤压法、离心铸造法和焊接法等内复合双金属复合管制造技术。
This article introduces inner compound metal pipe manufacturing technology of the cold forming method, heat extrusion method and centrifugal foundry method as well as welding method.
分析了适用于双金属离心铸造工艺特点的高铬铸铁的成分；
Meanwhile, the component of high chromium cast iron which is suitable to dual-metals centrifugal casting was analyzed.
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