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High Precision Granite Square Rulers

- Sep 12, 2017 -

High Precision Granite Square Rulers Basic Info

  • Model NO.: SF

  • Material: Granite

  • Range: 0~500mm

  • Precision: 0.001mm

  • Accuracy: A

  • Certification: JIS, DIN, GB, SGS, ISO

  • Precision Grade: 00

  • Transport Package: Wooden Case

  • Origin: Qingdao China

  • Type: Granite Square

  • Measurement Object: Squareness

  • Resolution: 0.001mm

  • Measure Method: Manual

  • Precision Measuring Device: Precision Measuring Device

  • Customized: Customized

  • Color: Black

  • Specification: SGS

  • HS Code: 9031900090

High Precision Granite Square Rulers Product Description

High Precision Granite Square Rulers
 
High Precision Granite Square Rulers Product Speciality:
 
1. Made of high quality Jinan Black Granite
2. High precision and high stability.
3. No rust and anticorrosion.
4. Non magnetization.
5. Good abrasion resistance.
 
Physical Property of Jinan Black Granite:
 
Specific Gravity:         3.03 g/cm3
Shore Hardness:          > 70Hs-80Hs
Tensile strength:          211Kg/cm2
Compressive Strength:         245-254Mpa
Linear Expansion Coefficient: 4.61′10--6/°C
Elastic Modulus:                 30-50Gpa
Water Absorptivity:           ≤0.13%
 
High Precision Granite Square Rulers Product Application:
 
1. Mainly used as installation and inspection of machine tools, inspect vertical degree, parallelism and straightness of guideways and precision components in modern industry and scientific research institutes.
 
High Precision Granite Square Rulers Specifications :
 

modelsquareness between adjacent measuring surfacesstraightness of measuring surfaceparallelism between opposite measuring surfacesoverall dimension
(mm)
weight/unit
(kg)
precision grade(μm)
000000000
SF200240.91.824200×200×354.4
SF2502.24.5122.24.5250×250×407.15
SF3152.65.21.12.32.65.2315×315×4512.2
SF400361.32.636400×400×4517.4
SF400A361.32.636400×200×407.6
SF5003.571.533.57500×500×6050.1

 
Note : We are able to manufacture according to customer's specifications.

High Precision Granite Square Rulers.jpg
 

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