The natural form of carbon in cast iron is the free graphite flake form 铸铁内的碳天然形式是游离石墨薄片形式。
2.
This low carbon content in cast steel does not allow the carbon to form as free graphite resulting in a laminate type of structure 铸钢中的低含碳量使得作为游离石墨存在的碳不会形成结构薄片。