Specification :

Applications: The surface use scratching technology and it can be used in any kinds of testing work and can measure parts precisely .At the same time , it can be used to test and measure benchmark, test parts' size precision and deviation and scribe lines.The feature s of it are high precision and wear-resistant.
Surface test:
Spread colours on the surface and count spots in 25mm2
d25 spots of Gr 0 and Gr 1 Surface Plate
d20 spots of Gr 2 Surface Plate
d12 spots of Gr 3 Surface Plate
Precision: Generally as per JB/ T7974-99.Flatness accuracy as per Gr0 , Gr1, Gr2, Gr3 and of JB/ T7974-99

Material: Made from closed grained cast iron of HT 200-300 .
Hardness between 170-240 BHN
Spercification: 200mm× 200mm-2000mm× 4000mm( we can produce and process these products according to the customers’ drawings or requirements)