To provide a cast product having a cylindrical rim material becoming the rim of a wheel for a vehicle by cutting its surface, the cast product in which the occurrence of pressure leakage caused by a blow hole can be reduced, even when the blow hole is present in the inside of the rim material becoming the rim for the vehicle by cutting of its surface, and to provide a mold apparatus for casting this cast product and a casting method for casting the cast product.

In the cast product W having the cylindrical rim material 91 becoming the rim of the wheel for the vehicle by cutting its surface, the rim material 91 has the most coarse cast structure more on the outer peripheral side than the center in the thickness direction.