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为了进一步满足各行各业的使用需求,特别是强腐蚀环境的使用要求,湖州华特不锈钢管制造有限公司通过UNS N04400合金无缝管制造工艺的研究,总结了整套生产工艺和方法,为后续产品的生产工艺定型提供了充分的依据,为该合金无缝管大批量生产创造了有利条件。镍铜合金UNS N04400无缝管的生产技术的难点主要有:穿孔难度大,穿孔时保温时间以及穿孔的温度范围很窄;加工难度大,酸洗时间不能太长;而且相对奥氏体不锈钢及双相不锈钢,热处理温度低。文章针对难点问题进行了系统研究,较好地解决了技术难题,成功开发出了UNS N04400合金无缝管制造工艺方法,产品质量稳定可靠。
In order to further meet the needs of all walks of life, especially the use of strong corrosive environment requirements, Huzhou Stainless Steel Pipe Manufacturing Co., Ltd. by UNS N04400 alloy seamless pipe manufacturing process, summed up the package of production processes and methods for follow-up products The production process to provide a sufficient basis for the shape, seamless production for the alloy mass production has created favorable conditions. Nickel-copper alloy UNS N04400 seamless pipe production technology, the main difficulties are: perforation difficult, perforation when the insulation time and perforation temperature range is very narrow; difficult processing, pickling time can not be too long; and the relative austenitic stainless steel and Duplex stainless steel, heat treatment temperature is low. The article has carried on the system research to the difficult problem, solves the technical difficult problem well, has successfully developed the UNS N04400 alloy seamless tube manufacturing craft method, the product quality is stable and reliable.