Qingdao Qianshao Precision Instrument Co., Ltd.  

Product Name: High Precision Granite Square Blocks Model NO.: SX Customized: Customized Certification: JIS, DIN, GB, SGS, ISO Precision Measuring Device: Precision Measuring Device Accuracy: A Measure Method: Manual Precision: 0.01mm Resolution: 0.01mm Range: 0?500mm Measurement Object: Squareness Material: Granite Type: Square Box Brand Name: Qianshao Color: Black Precision Grade: 1 Trademark: Qianshao Transport Package: Wooden Case Specification: SGS Origin: Qingdao China HS Code: 9031900090 Product Description High Precision GraniteBlocksQIANSHAO is the leading manufacturer of Granite Surface Plates since 1979, providingvarious kinds of high accuracy and qualityGraniteInstruments.Product Speciality:1. Made of high qualityNatural Black Granite2. High precision and high stability.3. No rust and anticorrosion.4. Non magnetization.5. Good abrasion resistance.Physical Property ofNatural Black Granite:Specific Gravity: 3.03 g/cm3Shore Hardness: > 70Hs-80HsTensile strength: 211Kg/cm2Compressive Strength: 245-254MpaLinear Expansion Coefficient: 4.61´10--6/°CElastic Modulus: 30-50GpaWater Absorptivity: ≤0.13%Product Application:1. Mainly used as installation and inspection of machine tools, inspect vertical degree, parallelism and straightness of guideways and precision components in modern industry and scientific research institutes.GraniteBlocks Specifications : TYPEprecision gradeoverall dimension (mm)weight/unit (kg)SX1601160x160X16011SX2001200x200X20022SX2501250x250X25043