Precision: Generally as per JB/T7974-99.Flatness accuracy as per Gr0 ,Gr1,Gr2,Gr3 of JB/T7974-99

Spercification: 500mm×800mm---2000mm×4000mm(we can produce and process  these products according to the customers’ drawings or requirements)

Applications: Used as fixture bases or surface plates.Fitters use them to debug , accemble ,and maintenance equipment.

Material:Made from closed grained cast iron of HT 200-300 .

        Hardness between 170-240 BHN

        Two times manual processing (Artificial annealing 600 ℃-700℃ and natural aging about two or three years)make the precision more accurate.