2023.3,3(2)|专题:桥梁用高性能钢材超高强度钢绞线用盘条现状及发展耿思远1,石龙2,张剑锋1,牛斌2,孙中伟1(1.江阴兴澄特种钢铁有限公司线材研究所,江苏江阴214429;2.中国铁道科学研究院集团有限公司铁道建筑研究所,北京100081)摘要:随着钢铁冶金技术与拉拔工艺技术的进步,钢绞线向着超高强度级别发展,具有广阔的市场前景。讨论了钢绞线用盘条的大小方坯制造流程、冷却方式,讨论了微合金元素的作用,网状碳化物、马氏体组织的形成条件与控制措施,以及超高强度钢绞线及盘条的发展方向。在线水浴韧化处理技术凭借着绿色环保、生产效率高等优点,有着广阔的应用前景。兴澄特钢利用在线水浴韧化处理技术已成功开发2300MPa级超高强度钢绞线用盘条。关键词:钢绞线;超高强度;环保;在线水浴韧化处理技术TheartandfuturetrendsofwirerodforultrahighstrengthsteelstrandGENGSiyuan1,SHILong2,ZHANGJianfeng1,NIUBin2,SUNZhongwei1(1.InstituteofWire,JiangyinXingchengSpecialSteelWorksCo.Ltd.,Jiangyin214429,China;2.RailwayEngineeringResearchInstitute,ChinaAcademyofRailwaySciencesCorporationLimited,Beijing100081,China)Abstract:Withtheimprovementofmetallurgyanddrawingtechnologies,steelstrandisdevelopingto⁃wardsultrahighstrengthlevel,whichhasabroadmarketprospect.Thispaperdiscussesthemanufac⁃turingprocessofconcastingbloomandbilletandcoolingmethodsofwirerodusedforsteelstrand.Then,thispaperdebatestheeffectofmicroalloyingelements,theformationconditionsandcontrolmeasuresofnetcarbideandmartensiteon,andexpoundsthedevelopmentdirectionofultrahighstrengthsteelstrandandwirerod.Withtheadvantagesofenvironmentalprotectionandhighproduc⁃tionefficiency,XingchengDirectWaterPatenting(XDWP)hasabroadapplicationprospect.XingchengSpecialSteelhassuccessfullydevelopedultrahighstrengthwirerodfor2300MPasteelstrandbyusingXingchengDirectWaterPatenting.Keywords:steelstrand;ultrahighstrength;environmentalprotection;directwaterpatenting引言近年来,随着钢水纯净化、微合金强化、控轧控冷等先进技术在钢铁企业的逐步应用,具有高强度与良好塑性的高碳珠光体钢迅速发展。高碳钢经过拉丝以及后续捻股、切削、热处理等工艺后作为结构件在中图分类号:TG142.31...