High Precision Granite Machinery Components Granite Column
Specifications
Granite column1.Foundation Meterial:Jinan Black
2.Foundation Brand Name:TAI GOLD STONE
3.Applied to machinery accessor
High precision granite machinery components Granite column
Our granite measuring devices and granite mechanical components are made of high qualityJinan Blackgranite.Due to their high precision,long duration,good stability and corrosion resistance,they have been more and more used in product inspection of modern industy and such scientific areas as mechanicalaerospace and scientific researches.
The “TAI GOLD STONE”granite measuring tools have the following characteristics:
1. High precision reliable stability resistant to deform and guaranteed accuracy under normal ambient temperature. component insertion
2. No-rust and anticorrosion. component insertion
3. Wear resistance long service life.
4. Any cutting or scraching for working surface does not bring about roughedgeswhich might influence its measuring precision.
5.Non magnetization. component insertion
6.Glossy surface without sluggishness when the workpieces or tools are moving on it.


Physical Property of Jinan BlackGranite
Phisical Property |
Reference Value |
Specific Gravity |
2970-3070kg/m3 |
Compressive Strength |
245-254Mpa |
Elastic Modulus |
30-50Gpa |
Linear Expansion Coefficient |
4.61x10-6/0C |
Water Absorptivity |
≤0.07 |
Shore Hardness |
Above 70Hs |
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