简介：Aself-developedelectromagneticinduction-heatingdevicewasusedtoinvestigatethevariationinthemicrostructureandpropertiesofX80pipelinesteelintherapidinductiontemperingprocessatdifferentprocessparameters.Theeffectsofthetemperingconditionontoughness,microstructure,sizeanddistributionofprecipitatesofX80pipelinesteelwereobservedusingametallographicmicroscopyandscanningelectronmicroscopy.Comparedwiththesamplespreparedviatraditionaltemperingtechniques,resultsshowthatthesamplespreparedviarapidinductiontemperinghadimprovedperformances.Whentheheatingtemperatureis590℃,ataholdingtimeof90s,itwasfoundthatacicularferritewasrefined,carboniteprecipitationwassmall,andprecipitateswereevenlydistributedinthematrix.Thelow-temperatureimpactenergy,alsoknownastheimpactabsorptionenergy,at-40℃wasfoundtobe430.5Jfortherapidinductiontemperingsamplesand323.2Jforthetraditionallytemperedsample.Thelow-temperatureimpactenergyat-60℃wasfoundtobe351.3Jfortherapidinductiontemperedsampleand312.1Jforthetraditiontemperingsample.

简介：通过对甘肃东兴铝业有限公司钢砂铝生产线从安装调试到顺利生产全过程经验总结,系统的论述了四轮式钢砂铝连铸连轧生产线的生产工艺。