This type of surface plate or measuring tool is made of the Jinan black with the characteristics of fine structure, uniform structure, good stability, as well as high strength and hardness.
Standard: In general, our cast iron plate is made in line with the national standard. Also, it can be made in compliance with the German DIN876 Standard.
|Coefficient of Linear Expansion||4.61×10-6/℃|
|Shore Hardness||Above Hs70|