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High Precision Granite Parallel Plate
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Product: Views:212High Precision Granite Parallel Plate 
Unit price: Negotiable
MOQ:
Quantity:
Delivery date: Since the payment date Days delivery
Valid until: Long-term effective
Last updated: 2017-10-22 07:32
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High Precision Granite Parallel
QIANSHAO is the leading manufacturer of Granite Surface Plates since 1979, providing various kinds of high accuracy and quality granite products.
 
 
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: 4.61x10-6°c
 Elastic Modulus: 30-50Gpa
 Water Absorptivity: ≤0.13%
 
Product Application:
 
1. Mainly used as a benchmark support in modern industry and scientific research institutes, is an important auxiliary tool in the measurement of the platform.
 
 
Specifications :
 
specification
mode
flatness of working surface and parallelism between opposite surfaces squareness between working surfaces length and width differences between a matched pair overall dimension(mm) weight/pair(kg)
precision grade(µm)
00 0 00 0 00 0
SG160 1.5 3 20 40 1.5 3 160×25×16 0.81
SG250 2 4 30 60 2 4 250×40×25 2.32
SG400 4 8 40 80 4 8 400×63×40 7.25
SG450 4.5 9 45 90 4.5 9 450×75×40 9.38
SG630 6 12 50 100 6 12 630×100×63 26.3
 
Note : We are able to manufacture according to customer's specification.


 
 
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