GB1499.2-2007热轧带肋钢筋国家标准的几个问题  

Some issues of hot rolled ribbed bar in GB1499.2-2007

作　　者：胡小东[1] 胡林[1] 张峻巍[1] 陈锦光[2] 肖轶[2] 

机构地区：[1]辽宁科技大学材料科学与工程学院,辽宁鞍山114051 [2]南通宝钢钢铁有限公司,江苏南通226002

出　　处：《辽宁科技大学学报》2009年第6期566-570,共5页Journal of University of Science and Technology Liaoning

基　　金：辽宁省教育厅高校科研规划项目(20060434);南通市工业创新科技计划(AA2007003)

摘　　要：为了探索出一条节能、环保、适合我国国情的热轧钢筋生产新途径,结合近年来国内外对棒线材控轧、控冷及相关技术研究的最新成果,对国内各棒线材厂十分关注的适用于钢筋混凝土用普通热轧带肋钢筋和细晶粒热轧带肋钢筋的新标准GB1499.2-2007中关于普通热轧及细晶粒钢筋的定义及说明不准确之处进行了分析,讨论了标准中有关化学成分、力学性能和焊接性能等问题,将标准与国外相关标准进行了对比,指出其中的差异。建议在修订标准时,明确有关规定,使生产厂家有章可循。In order to find a new way to produce hot rolled ribbed bar with energ-saving,environmental protection and suitability for Chinese conditions,and based on the newest research results of controlled rolling and controlled cooling,some inaccurate specification in the definition of hot rolled bars and wire rods in the new standard GB1499.2-2007 are analyzed,which is concerned by the bar and wire rod mills in China.The specifications of chemical composition,mechanical properties and weldability are also discussed.Compared with other country＇s related standards,the differences and defects in the new standard are pointed out.It is hope the new standard can direct the manufacturers clearly.

关 键 词：热轧螺纹钢筋 QTB工艺 控轧 控冷 GB1499.2 细晶粒钢 

分 类 号：T-652.1[一般工业技术] TG356.3[金属学及工艺—金属压力加工]