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Q345B2.0*355带钢轧制成功
11月29日，炼轧厂首次成功轧制新开发的Q345B钢种和带钢Q345B 2.0*355规格新品种。Q345B钢种是执行标准GB/T1591-2008的低合金高强度结构钢，磷、硫加的低，冶炼难度增加。带钢Q345B 2.0*355规格新品种厚度薄、材质硬、强度高，批量生产有比较大的轧制难点。炼轧厂经过前期充分的准备，严格按照工艺要求，保证了批量生产的运行稳定。（赵 艳）
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