低合金厚板的减量化轧制

钢铁, 2009, 44(8): 60-0.

低合金厚板的减量化轧制

王根矶 , 李婧 , 何元春 , 赵德文 , 刘相华

1.1. 东北大学轧制技术及连轧自动化国家重点实验室, 辽宁沈阳 110004

2. 2. 秦皇岛首秦金属材料有限公司，河北秦皇岛 060003

1.1. State Key Lab of Rolling and Automation, Northeastern University, Shenyang 110004, Liaoning, China

2. 2. Qinhuangdao Shouqin Metal Materials Co., Ltd., Qinhuangdao 066003, Hebei, China

关键词：减量化;厚板;直接轧制;Q345

Reduced Steel Rolling of HSLA Heavy Plate

WANG Genji. , LI Jing , HE Yuanchun , ZHAO Dewen , LIU Xianghua

Keywords： reduced steel rolling;heavy plate;direct rolling;Q345

通过挖掘设备潜力，采用奥氏体再结晶区直接轧制+轧后快速冷却工艺在某宽厚板生产线上成功试制了60～85 mm厚Q345系列CMn低成本厚板，Z向性能稳定达到Z35标准要求。试验结果表明，用该工艺生产低合金厚板可缩短2 min轧制时间，提高了机时产量，促进钢铁工业的可持续发展。

By expressing the equipment potential, with direct rolling at austenite recrystallization zone and fast cooling process, a new lowcost CMn Q345 series heavy plate of 6085 mm in thickness were produced in some 4300 mm wide and heavy plate mill, the Zdirection properties are meet with Z35. The test results show that the new technology can short 2 min rolling time and improve the yield of mill, it’s also promote iron and steel industry’s developing continuously.

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