Simulation and rolling test results showed that the effect of laminar cooling patterns on the plate products is small in final phase composition but great in ferrite grain size.

• 模拟结果和轧制实验表明，对于低碳中厚板，层流冷却方式对最终相组成的影响较小，而对产品的铁素体晶粒尺寸有较大的影响。