Jinan black granite square master rulers 500x500x50mm DIN 00grade

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Price:RUB 18,581.78

Quantity:


Product Overview

Description

 
Product Description

Jinan black granite sqaure master

Granite Square Ruler
Product Application:
Mainly used as installation and inspection of machine tools, inspect vertical degree, parallelism and straightness of guides and precision component in modern industry and scientific research institutes.
We are also able to manufacture the Granite Surface Plate with the good and stable flatness according to standard of DIN/JIS/GB

 

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%

 

Type (mm) Squareness between
adjacent measuring surfaces
Straightness of measuring
surface
Parallelism between
Opposite measuring surfaces
                                              Precision grade (μm)
00 0 00 0 00 0
160 × 160 2 4 0.8 1.7 2 4
200 × 200 2 4 0.9 1.8 2 4
250 × 250 2.2 4.5 1 2 2.2 4.5
300 × 300 2.6 5.2 1.1 2.3 2.6 5.5
400 × 400 3 6 1.3 2.6 3 6
500 × 500 3.5 7 1.5 3 3.5 7

 

 

granite sqaure master

 

product plant

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Company Information

 

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Packaging & Shipping

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Trade Assurance

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FAQ

FAQs

1.Can I order one piece granite surface plate?

if you want small size less than 800x800,it's would delivery by air express. mos times express cost is higher than granite cost. so we don't suggest you buy one small size from us.

2. if your granite surface plate have certifications? ?

Yes , each of granite surface plate has it's certification.if you need we can send sample for you

 

3. How much does granite surface plate weight??

(Lengthx width xHeight )mmx3x1000= weight granite kg

4. why dose granite have color steaks,spots and seams ?

Seams and color streaks occur occasionlly&naturally in granite stone. it is not uncommon for granite plates of large sizes to include cosmetic non-conformities,which we endeavor to keep to a minimum. we can assure you that such visible disconformities are carefully examined before,during and after the manufacturing process for actual or potential problems due to non-conforming material. Our goal during this inspection process is to insure that we are following our own internal quality standards.

5. Can you put my company name and logo on your product ?

How should I clean my precision granite products

6.Why I get the granite accuracy is not good ? 

Due to different temperature granite accuracy wil be change , before you use it,please put it in a uniform temperature space over 24hours, it's request temperature (20 ±5 )℃
Contact us

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