00 Grade Granite Surface Plate 200x200mm to 4000x8000mm with ISO9001 Certification for Precision Measurement
Granite surface plates serve as precise benchmark measuring tools, providing an ideal datum for instruments, precision tools, and mechanical parts. These plates are manufactured from high-quality natural granite through mechanical processing and manual fine grinding, offering superior stability and precision for high-accuracy measurement applications.
- Black gloss finish with fine structure and uniform texture
- Excellent stability maintained under heavy loads and normal temperatures
- High strength and hardness with superior wear resistance
- Rust-free, acid and alkali resistant, non-magnetic properties
- Constant wear resistance for long-term accuracy
- Ideal for measuring flatness and roughness in machinery factories and laboratories
| Parameter | Value |
|---|---|
| Place of Origin | Hebei, China |
| Brand Name | HF |
| Model Number | HF-Granite |
| Material | Natural Granite |
| Size Range | 200x200mm to 4000x8000mm |
| Accuracy Grades | 00, 0, 1, 2, 3 |
| Machining Process | Fine Grinding |
| Certification | ISO9001 |
| Standards | DIN/JIS/GB |
| Custom Options | OEM and ODM Acceptable |
| Accessories | Stand, Pad Iron, Ground Anchor |
| Packaging | Export Standard |
Specific Gravity: 3.30g/cm³ or 2970-3070kg/m³
Shore Hardness: >70Hs-80Hs
Tensile Strength: 211Kg/cm²
Compressive Strength: 254-254MPa
Linear Expansion Coefficient: 4.61×10⁻⁶/ºC
Elastic Modulus: 30-50GPa
Water Absorptivity: ≤0.13%
Flexible Grinding Capacity: 1.27-1.47N/mm²
Our granite surface plates adhere to JB/T 7975-1999 standards with flatness tolerance calculated as:
Grade 000: 1×(1+d/1000)/μm
Grade 00: 2×(1+d/1000)/μm
Grade 0: 4×(1+d/1000)/μm
Grade 1: 8×(1+d/1000)/μm
Where d represents the length of the diagonal
| Dimensions (L×W×T mm) | Weight (kg) | Grade 000 (μm) | Grade 00 (μm) | Grade 0 (μm) | Grade 1 (μm) |
|---|---|---|---|---|---|
| 300 × 200 × 50 | 17 | 1.5 | 3 | 6 | 12 |
| 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 |
We offer custom granite plate production according to your specific requirements and provide comprehensive technical support. Our company is committed to building long-term business partnerships through quality hardware products and reliable service.
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Have questions about our products or want to discuss a custom order? Our team is ready to help you.