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Specifications

Jinan granite
Reasonable price&good quality
We can process the products according to your requirements
Different sizes

 
Granite surface plate
High Precision Granite Measuring Tool
 
It keeps high precision in heavy load,being used in industry producing and lab measuring commonly.
All the standard size are in stock and special size or design can be customized.In addition to our standard surface plate sizes, we will quote any other size requirements you may have. We can also make modifications to your plate, which includes t-slots, inserts, holes, etc
 
The largest size for production is 3000mm width and 6000mm length
 
 
 
 
Physical properties:
Specific gravity: 2970-3070Kg/ m3 Compressive strength: 245-254N/m m2
Water absorption 0.13% Elastic grinding amount: 1.27-1.47 N/m m2
Coefficient of linear expansion 4.61×10-6 /°C Shore hardness: above Hs70
 
Granite surface plate accuracy refers advanced leading countries's standard.
Flatness tolerance as follows:
grade 000 1X(1+d/1000)um
grade 00 2x(1+d/1000)um
grade 14x(1+d/1000)um
grade 1 8x(1+d/1000)um
(d is the length of the plate's diagonal)
 
Type
Length ×width ×height
weight
Kg
Grade000
µm
Grade00µm
Grade0µm
Grade1µm
300×300×50
19
1.5
3
6
12
400×300×70
25
1.5
3
6
12
400×400×70
48
2
3.5
6.5
13
630×400×100
76
2
3.5
7
14
630×630×100
155
2
4.
8
16
800×500×130
156
2
4
8
16
1000×630×130
284
2.5
4.5
9
18
1000×750×150
338
2.5
5.
9
18
1000×1000×150
450
2.5
5
10
20
1600×1000×200
963
3
6
12
24
2000×1000×200
1200
3.5
6.5
13
26
1600×1600×300
2312
3.5
6.5
13
26
2000×1600×300
2890
3.5
7.
14
28
2500×1600×300
3612
4
8
16
32
3000×2000×500
9030
4.5
9
18
36
4000×2000×500
12040
5.5
11
22
44
6000×2000×700
25284
7.5
15
30
60