Date:2012-05-02 16:34
serial number name, meaning 1 the , casting sex metal materials can be used to cast a qualified castings called castability. The castability include mobility, contraction and segregation tendencies. Mobility refers to the ability of the liquid metal is full of mold, and mobility as possible, the easier casting of thin and delicate casting, shrinkage refers to the degree of volume shrinkage in the casting solidification, the smaller the shrinkage deformation smaller solidification of the ca