冷镦用微合金非调质钢成分设计及生产工艺研究  

Composition Design and Process Study of the Micro-alloyed Non-tempered Steel for Cold Heading

作　　者：帅习元[1] 周勇[1] 郑云峰[2] 

机构地区：[1]武汉钢铁(集团)公司研究院,湖北武汉430080 [2]武汉钢铁股份有限公司大型厂,湖北武汉430080

出　　处：《轧钢》2009年第5期19-22,共4页Steel Rolling

摘　　要：设计了冷镦用微合金非调质钢的化学成分,通过热模拟实验,确定了热轧及控冷工艺参数,试样性能达到了制作8.8～9.8级紧固件要求。the composition of the micro-alloyed non-tempered steel for cold heading was designed. The hot rolling and cooling parameters were determined based on thermal-simulation experiment. The properties of this steel can meet the demands of 8.8 grade and 9.8 grade fasteners.

关 键 词：微合金非调质钢 化学成分 控冷工艺 紧固件 

分 类 号：TG335.6[金属学及工艺—金属压力加工]