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一、根据铸件壁厚及要求强度或硬度确定铁水最佳碳当量的方法当铸件中的硫<0.12％、磷<0.3％、锰含量在0.6～1.2％的范围内,并且不含其它合金元素时,灰铸铁件的抗拉强度
First, according to the casting wall thickness and strength or hardness requirements to determine the best carbon equivalent of molten iron when the casting of sulfur <0.12%, phosphorus <0.3%, manganese content of 0.6 to 1.2% of the range, and does not contain other alloying elements When the gray cast iron tensile strength