首页 / 百科 / 内容详情 For most cast irons the carbon exists as() 2022-04-30 4次阅读 carbon exists irons For most cast irons the carbon exists as() A.cementiteB.graphiteC.martensiticD.austenitic正确答案:graphite ()is also called tensile strength, which is obtained at the plastic deformation region from the stress-strain diagram. The noble or precious metals are a group of()elements that have some physical characteristics in common. 猜你喜欢 Steel is an alloy(合金)composed ()of iron and carbon. The eutectic concentration of carbon is 0.76%