1. Material: Jinan Black
Specific Gravity: 3.07g/m3
Compressive Strength: 257MPa
Elastic Modulus: 1.37GPa
Linear Expansion Coefficient: 4.61x10-6/℃
Water Absorptivity: 0.12%
Shore Hardness: 79.9
2. Features: High-Precision, no rust, acid and alkali-resistant, no magnetized, no deform, good abrasion resistance etc.
3. Applicable area: The granite plate is one of high precision test tool as basic standard and it is mainly used to test the instrument and meter, precision tools and other related machinery parts. It is a perfect tool especially for the high precision test.
4. Main parameter:
Specification (mm) |
Weight Kg |
Precision Grade (μm) |
|||
000 |
00 |
0 |
1 |
||
300×200×50 |
9 |
1.5 |
3 |
5.5 |
11 |
300×300×70 |
19 |
1.5 |
3 |
5.5 |
11 |
400×250×70 |
21 |
1.5 |
3 |
6 |
12 |
400×400×100 |
48 |
2 |
3.5 |
6.5 |
13 |
630×400×100 |
76 |
2 |
3.5 |
7 |
14 |
630×630×130 |
155 |
2 |
4 |
8 |
16 |
800×500×130 |
156 |
2 |
4 |
8 |
16 |
1000×630×150 |
284 |
2.5 |
4.5 |
9 |
18 |
1000×750×150 |
338 |
2.5 |
4.5 |
9 |
18 |
1000×1000×150 |
450 |
2.5 |
5 |
10 |
20 |
1200×800×150 |
432 |
2.5 |
5 |
10 |
20 |
1600×1000×200 |
960 |
3 |
6 |
12 |
24 |
2000×1000×250 |
1500 |
3.5 |
6.5 |
13 |
26 |
2000×1600×300 |
2880 |
3.5 |
7 |
14 |
28 |
2500×1600×300 |
3600 |
4 |
8 |
16 |
32 |
3000×2000×400 |
9000 |
4.5 |
9 |
18 |
36 |
We could manufacture the special dimension by your request. |