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试验用EH460钢（/%：0.06~0.08C,0.20~0.33Si,1.51~1.52Mn,0.003~0.013P,0.002S,0~0.18Mo,0.34~0.36Ni,0.04~0.05Nb,0.05~0.06V,0.013~0.015Ti,0.006~0.026Als）300 mm铸坯由Φ550 mm轧机轧制成60 mm钢板,终轧温度798~817℃,冷却速率5~20℃/s。研究了不含Mo和含0.18%Mo对该钢组织和力学性能的影响。实验结果表明,当冷却速率为15℃时,不含Mo钢抗拉强度645