Through deforming and cooling test on a copper-containing Mn-Nb-Mo-B microalloyed steel,a bainitic steel with yield strength up to 800MPa was investigated.

• 通过对一种含Cu低碳Mn-Nb-Mo-B微合金钢进行的变形与冷却试验,研究了一种屈服强度达到800 MPa级的贝氏体钢。