The bi-metal composite bending pipe of high-Cr/16Mn steel is formed by the proess of expendable pattern casting under vacuum and the room temperature machanical properties and practical application are studied.

• 采用消失模真空吸铸法成功地制取了高铬铸铁/16Mn钢双金属复合弯管，并进行了室温机械性能和实际工况使用检验。