海洋石油平台用钢热轧H型钢轧材性能的影响因素  

Influence factors of hot-rolled H-section steel for offshore oil platform

作　　者：韩小强[1] 马永福[1] 纪广胜 叶高旗[1] 马云飞 Han Xiaoqiang;Ma Yongfu;Ji Guangsheng;Ye Gaoqi;Ma Yunfei(Hebei Jinxi Iron&Steel Group Co.,Ltd.,Tangshan 064300,China)

机构地区：[1]河北津西钢铁集团股份有限公司,河北唐山064300

出　　处：《冶金标准化与质量》2020年第4期19-23,共5页Metallurgical Standardization & Quality

摘　　要：注要介绍了影响轧材各种性能的多方面因素,从微合金处理、夹杂物控制、铸坯缺陷控制、控制轧制等方面进行阐述和分析,设计整体的开发方案,通过控制钢种成分:碳0.06%〜0.15%、硅0.2%〜0.4%、镒1.1%〜1.55%、磷≤0.025%、硫≤0.010%、筑0.005%〜0.08%、铤0.01%〜0.04%、钛0.003%〜0.02%、碳当量0.33〜0.38;加热温度:预热温度≥920七、二加温度1050〜1150℃、三加温度1250〜1290℃、均热温度1250〜1290℃、待炉时间150~200 min;控制轧制条件:粗轧末道轧速3±1 m/s、精轧末道轧速3±1 m/s、2道次后待温时间0〜60 s、4道次后待温时间0〜60s、终轧温度760〜820%:等因素,实现了现场实例性能全部满足中国船级社CCS的认证要求.This paper mainly introduces various factors that affect the properties of rolled products,including micro-alloy treatment,inclusion control,slab defect control,controlled rolling and so on,by controlling the com posit io n of steel:f-arbon 0.06%~0.15%,silicon 0.2%~0.4%,manganese 1.1%~1.55%,phosphorus≤0.025%,sulfur≤0.010%,vanadium 0.005%〜0.08%,niobium 0.01%~0.04%,titanium 0.003%〜0.02%,carbon equivalent 0.33〜0.38;Heating Temperature:preheating temperature≥920℃,two-heating temperature 1050~1150℃,three-heating temperature 1250~1290 soaking temperature 1250~1290℃,waiting time 150~200 minutes;Control Rolling Conditions:Final Pass speed of rough rolling is 3±1 m/S,final pass speed of finishing rolling is 3±1 m/S,after 2 passes the holding time is 0~60 s,after 4 passes the holding time is 0~60 s,finishing temperature is 760〜820℃,etc.,all the field examples meet the certification requirements of China Classification Society CCS.

关 键 词：海洋石油平台用钢 中国船级社 微合金处理 夹杂物控制 控制轧制 

分 类 号：TG142.7[一般工业技术—材料科学与工程]