A sintered hypoeutectic high chromium cast iron （SHCCI） was fabricated by a powder metallurgy process with water atomized powders as raw materials. Its microstructure，mechanical properties and impact abrasion resistance were systematically analyzed or/and detected，and compared with an as cast high chromium cast iron （CHCCI） with the same composition. The results showed that the density of SHCCI could be of 7.44 g/cm3 as supersolidus liquid phase sintering was applied. There was only Cr7C3 type carbides in SHCCI，and its matrix with fine grain size was a hybrid of a major part of martensite and austensite. The short rod shape Cr7C3 carbides were homogeneously dispersed along grain or subgrain boundaries. The hardness，bending strength and impact toughness（specimens with dimensions of 5 mm×5 mm×50 mm were used）of the as sintered SHCCI were of HRC58，2 122 MPa and 6.5 J/cm2，respectively. With the dramatical improvement of morphology，size and distribution of carbides as well as more amount of martensite in the matrix，as sintered SHCCI presented evident advantages of impact abrasive resistance under all kinds of impact charges over CHCCI.