Semi-solid slurry of hypoeutectic high Cr cast iron was prepared by inclined cooling plate method. The condition and rule of semi-solid globular crystal formation of the cast iron were studied. The results showed that the spheroidal or near-spheroidal

non-dendrite primary austernite can be obtained sucessfully by regulating proper pouring temperature

melt chilling pre-treatment before mold filling and pertiment vibration of undercooled melt. Homogeneous solute and temperature fields resulting from impaction

flow and vibration of liquid metal during low pouring temperature

restricted the formation of developing primary austernite dendrite

which provided a basis to obtain spheroidal grain.