Black Granite Inspection Plate 1000x2000mm with Shore Hardness 70-80 Hs and 0.13% Water Absorption
Price:
Negotiable
MOQ:
5
Delivery Time:
10 work days
Brand:
Willing
Product Description
High Precision Black Granite Inspection Plate
Product Overview
Our black granite surface plates provide an accurate reference plane for work inspection and layout applications. With exceptional flatness, superior quality, and expert workmanship, these plates serve as ideal bases for mounting sophisticated mechanical, electronic, and optical gauging systems.
Material Properties
- Specific Gravity: 3.03 g/cm³
- Shore Hardness: 70-80 Hs
- Tensile Strength: 211 Kg/cm²
- Compressive Strength: 245-254 MPa
- Linear Expansion Coefficient: 4.61×10⁻⁶/°C
- Elastic Modulus: 30-50 GPa
- Water Absorptivity: ≤0.13%
Applications
Primarily used for measuring parallel and equal altitude of precision instruments, tools, and mechanical components in modern industrial and scientific research environments.
Flatness Tolerance Standards
Manufactured according to DIN/JIS/GB standards with flatness tolerance compliant with JB/T 7975-1999:
- 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.
Standard Specifications
| Specification (MM) | Weight (KG) | 00 Grade (μm) | 0 Grade (μm) |
|---|---|---|---|
| 300×300×50 | 19 | 3 | 6 |
| 400×300×70 | 25 | 3 | 6 |
| 400×400×70 | 48 | 3.5 | 6.5 |
| 630×400×100 | 76 | 3.5 | 7 |
| 630×630×100 | 155 | 4 | 8 |
| 800×500×130 | 156 | 4 | 8 |
| 1000×630×130 | 284 | 4.5 | 9 |
| 1000×750×150 | 338 | 5 | 9 |
| 1000×1000×150 | 450 | 5 | 10 |
| 1600×1000×200 | 963 | 6 | 12 |
| 2000×1000×200 | 1200 | 6.5 | 13 |
| 1600×1600×300 | 2312 | 6.5 | 13 |
| 2000×1600×300 | 2890 | 7 | 14 |
| 2500×1600×300 | 3612 | 8 | 16 |
| 3000×2000×500 | 9030 | 9 | 18 |
| 4000×2000×500 | 12040 | 11 | 22 |
| 6000×2000×700 | 25284 | 15 | 30 |
Similar Products
Get in Touch
Have questions about our products or want to discuss a custom order? Our team is ready to help you.
Company
Cangzhou Famous International Trading Co., Ltd
Location
No.703 Room, Yihe building Yunhe zone, Cangzhou City,China
Contact Person
Ada Yang