In view of the excellent mechanical properties of the isothermal quenched ductile iron(ADI/CADI),it has been more and more widely used in developed countries.The development history and mechanical properties of the isothermal quenched ductile iron(ADI/CADI)are summarized.On this basis,the development and application of typical isothermal quenched ductile iron parts are described.It is considered that the production and application level of ADI and CADI are constantly improving.
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