High Precision Granite Inspection Surface Plate

Granite Inspection Surface Plate 1. High Accuracy and Stability 2. Made by natural Black Granite 3. Various Sizes for Choice

High Precision Granite Inspection Surface Plates 

QIANSHAO is the leading manufacturer of Granite Surface Plates since 1979, providing high accuracy and quality products as below :

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%

Product Application:

Mainly used to produce and inspection of precision instrument, precision tool, mechanical component in modern industry and scientific research institutes.

We are able to manufacture the Granite Surface Plate with the good and stable flatness according to standard of DIN/JIS/GB. and Provided with Supporting Stand.

Specifications :

Specification	Precision Grade (μm)				Packing VOL (mm)	Gross weight (kgs)
	Grade 000	Grade 00	Grade 0	Grade 1
160x100x50	0.8	1.5	3	6	270x210x150	8
160x160x50	0.8	1.5	3	6	270x270x150	9
250x160x50	0.9	1.8	3.5	7	370x270x150	11
250x250x50	0.9	1.8	3.5	7	370x370x150	13
300x200x50	0.9	1.8	3.6	7	410x270x180	15
300x300x70	1	1.9	3.8	7.5	410x370x200	27
400x250x70	1	2	4	8	510x470x200	30
400x400x70	1.2	2.3	4.5	9	528x488x210	46
630x400x100	1.3	2.5	5	10	740x490x270	94
630x630x100	1.3	2.5	5	10	750x730x270	155
800x500x100	1.4	2.7	5.3	11	920x600x280	155
900x600x100	1.5	2.9	5.7	11.5	1000x660x200	200
1000x630x150	1.5	3	6	12	1120x740x330	335
1000x750x150	1.6	3.2	6.3	12.5	1250x950x330	398
1000x1000x150	1.8	3.5	7	14	1250x1230x330	532
1600x1000x200	2	4	8	16	1870x1230x370	1080
1600x1600x200	2.4	4.8	9.5	19	1870x1830x370	1730
2000x1000x200	2.4	4.8	9.5	19	2270x1230x400	1345
2000x1600x250	2.5	5	10	20	2310x1830x460	2622
2500x1600x300	2.9	5.8	11.5	23	2810x1830x510	3872
3000x2000x400	3.3	6.5	13	27	3350x2230x670	7651
4000x2000x500	4	8	16	32	4400x2230x800	12800
4000x2500x500	4.4	8.8	17.5	35	4400x2730x800	16000

Note : We could be able to manufacture according to customer's specification.