Allproducts Granite square box

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Dachang Machinery Equipment Manufacture Co., Ltd

No.99 Xihuan Road Botou City, China

86-317-8266656
15831766656

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Allproducts Granite square box


company	Dachang Machinery Equipment Manufacture Co., Ltd
Categories	Gazebos & Canopies
Update	2011-05-12
Original Region	China
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Allproducts Granite square box

:9

Name：Granite square box

Keywords：granite measuring tools,black granite,square box

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Details

Our granite measuring devices and granite mechanical components are made of high qualityJinan Black granite

Physical Property ofJi Nan BlackGranite:

Specific Gravity2970-3070kg/m3

Compressive Strength245-254Mpa

Elastic Modulus30-50Gpa

Linear Expansion Coefficient: 4.61x10-6/0C

Water Absorptivity0.07

Shore HardnessAbove 70Hs

The " Square Machine "brand of granite measuring tools have the following characteristics:

1 High precision reliable stability resistant to deform and guaranteed accuracy under normal ambient temperature.

2 No-rust and anticorrosion.

3 Wear resistance long service life.

4 Any cutting or scraching for working surface does not bring about roughedgeswhich might influence its measuring precision.

5 Non magnetization.

6 Glossy surface without sluggishness when the workpieces or tools are moving on it.

Tpye (mm)	Parallelism of Workingsurface			Flatness of workingsurface		Perpendicularity of workingsurface
	Precision grade ( m)
	00	0	00		0	00	0
100100100	0.001	0.002	0.001		0.002	0.001	0.002
150150150	0.0015	0.003	0.001		0.002	0.0015	0.003
200200200	0.002	0.004	0.0015		0.003	0.002	0.004
300300300	0.003	0.006	0.0015

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