din876 ii granite surface plate calibration

... requirements outlined in Federal Specification GGG-P-463c, from now on called Fed Specs, and specifically, Part 3.1 3.1 Among the Fed Specs, granite should be a fine to medium-grained texture. Granite is a hard material, but its hardness varies for...

... granite, India Black Granite Standard: GB/T 20428-2006, DIN876, JIS Specification: The maximum workability is 10000mm in length, 8000mm in width and 800mm in height or customize (special size is acceptable following customers’ requirement) Surface: T...