The cast iron surface plates are manufactured according to GB4986-85 standard to ensure the high quality. Our factory uses the scraping process to improve the precision of the products.
Proportion:2970-3070kg/m3
Compression strength:245-254kg/mm2
Flexible grinding capacity:1.27-1.47N/mm2
Coefficient of linear expansion:4.6×1-6°C
Water absorption: <0.13%
Shore hardness HS, more than 70.
Precision has 000. 00, 0, 1 grade.
It is the ideal tool for drawing line and inspection at precision processing company.