How long is the service life of granite measuring tools

The service life of granite measuring tools usually exceeds 30 years, and with proper use and maintenance, their actual life may be even longer, with some cases showing that it can last for decades or even hundreds of years. The following is a specific analysis:
1、 Core lifespan advantage
Material stability
Granite has undergone billions of years of natural aging treatment, and the residual stress inside has completely disappeared. The microstructure is dense and uniform, and the coefficient of linear expansion is extremely small (about 4.6 × 10 ⁻⁶/℃). It is minimally affected by temperature fluctuations, and the deformation rate can be ignored. This stability makes it less prone to deformation during long-term use, and its accuracy retention far exceeds that of metal measuring tools (such as cast iron measuring tools with an average lifespan of about 15 years).
Wear resistance and corrosion resistance
Granite has a hardness second only to diamond, with a Mohs hardness of 6.5 and a wear resistance five times that of cast iron. Its chemical properties are stable, resistant to acid and alkali corrosion, rust free, and do not require oil maintenance. It can maintain a smooth surface and measurement accuracy even in harsh environments such as chemical workshops, significantly extending its service life.
Low maintenance cost
Granite measuring tools have a water absorption rate of only 0.13%, making them difficult to adhere to dust or liquids and easy to clean. Surface scratches or slight bumps do not affect the overall flatness, and the maintenance cost is low, further extending the actual service life.
2、 Actual case evidence
Application in the automotive industry
After a certain automobile manufacturer used a granite detection platform, the annual maintenance frequency was reduced from 4 times to 1 time, the maintenance cost was reduced from 80000 yuan to 15000 yuan, and the platform’s lifespan exceeded 30 years, reducing the full cycle cost by 45%.
Application in scientific research field
The National University of Singapore once customized a granite experimental base, which was delivered within 2 weeks and ensured research progress 2 weeks in advance. Its long-term stability meets the requirements of high-precision experiments.
Historical data reference
The lifespan of natural granite decorative panels can reach 150-220 years, and the service life of the panels can even exceed 100 years. Although the usage conditions of the measuring tool are more stringent, this data indirectly reflects the durability of granite materials.
3、 Potential factors affecting lifespan
Although granite measuring tools have a long lifespan, the following factors may shorten their service life:
Usage environment
Extreme temperatures, humidity, or corrosive environments may accelerate material aging, but the weather resistance of granite allows it to still perform excellently in such environments.
Usage
Overloading or improper operation (such as hitting with hard objects) may cause surface damage, but the impact is limited under standard use.
maintenance
Regular cleaning and calibration can extend the lifespan, but granite measuring tools are easy to maintain and have lower maintenance requirements.