In the ? paper , the structure and properties of ESC ? 27 Si 2 Mn 2 Ni 2 CrMo for large? dia column teeth drilling body are studied.

研究了电渣 熔铸 大柱齿钎体用27Si2Mn2Ni2CrMo钢的组织与性能.

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The martensitic transformation of several industrial steels was studied, such as 65 Mn, 60 Si 2 Mn , 9 CrSi, CrWMn, 5 CrMnMo and 42 CrMo.

研究了工业用钢65Mn 、 60Si2Mn 、 9CrSi、CrWMn 、 5CrMnMo、42CrMo淬火马氏体的形成过程.

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