| Sign In | Join Free | My chinaqualitycrafts.com | 
              
  | 
      
Brand Name : Willing
Model Number : 400 mm
Place of Origin : China
MOQ : 5
Price : Negotiable
Payment Terms : T/T, Western Union
Supply Ability : 100PC /30days
Delivery Time : 10 work days
Packaging Details : wooden
Material : black granite
color : Black
application : industry
flatness : 00grade
Size : 400
Weight : 600 kgs
Salient Features :
 
 Made from close-grained Granite having uniform color and texture having hardness between 5.6 to 7 on Moh's scale, sound and free from flaws fissures and large inclusions of softer minerals.
 Made generally as per GB117-2015. Also available on request conforming to DIN-876-1972, BS-817-1988, JIS -B-7513 and US Federal specification GGG-P-463-C.
 metallic threaded inserts, metallic T-slots, Plates with two or four ledges also can be supplied against specific request at extra cost.
Square Block 
 
 Parameters
 
 Proportion:2970-3070kg/m3
 
 Compression strength:245-254kg/mm2 
 
 Flexible grinding capacity:1.27-1.47N/mm2
 
 Coefficient of linear expansion:4.6×1-6℃
 
 Water absorption 0.13% 
 
 Shore hardness HS: more than 70.
 
 Precision has 000. 00, 0, 1 grade. 
 
 Usage: Inspecting the spare parts' parallelism & perpendicularity 
 
 Material: Granite 
 
 Origin: China 
| Type (mm) | Squareness between adjacent measuring surfaces  |  			Straightness of measuring surface  |  			Parallelism between Opposite measuring surfaces  |  		|||
| Precision grade (μm) | ||||||
| 00 | 0 | 00 | 0 | 00 | 0 | |
| 160 × 160 | 2 | 4 | 0.8 | 1.7 | 2 | 4 | 
| 200 × 200 | 2 | 4 | 0.9 | 1.8 | 2 | 4 | 
| 250 × 250 | 2.2 | 4.5 | 1 | 2 | 2.2 | 4.5 | 
| 300 × 300 | 2.6 | 5.2 | 1.1 | 2.3 | 2.6 | 5.5 | 
| 400 × 400 | 3 | 6 | 1.3 | 2.6 | 3 | 6 | 
| 500 × 500 | 3.5 | 7 | 1.5 | 3 | 3.5 | 7 | 

| 
                                             | 
                
                        Square Granite Gauge Block Diameter 400 Mm 245-254kg/Mm2 Compression Strength Images |