granite tri-square

granite tri-square
Model:500X450X75
Brand:Hua An
Origin:Made In China
Category:Industrial Supplies / Tools / Other Tools
Label:tri-square , granite square ruler , granite triangle
Price: US $300 / pc
Min. Order:1 pc

Product Description

Place of Origin: Shen Zhen, China (Mainland) 

Brand Name: Hua An Brand

Material: Natural Black Granite 

Accuracy: Grade "00" "0","1" 

Flatness test by: Electronic Level Meter 

Test Standard: According to DIN/JIS/GB 

Packaging & Delivery

Packed with Delicate Aluminum Case for small size; Wooden case form large size

Delivery time: from one week to one month

 Product Specialty:

Made of high quality Natural Black Granite

High precision and high stability.

No rust and anticorrosion.

Non magnetization.

Good abrasion resistance.

Physical Property of Natural Black Granite:

  • Specific Gravity:         3.03 g/cm3 
  • Shore Hardness:          > 70Hs-80Hs
  • Tensile strength:          211Kg/cm2
  • Compressive Strength:         245-254Mpa
  • Linear Expansion Coefficient: 4.61´10--6/°C
  • Elastic Modulus:                 30-50Gpa
  • Water Absorptive:           ≤0.13%
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Member Information

Shenzhen Hua An Precision Metrology Parts Co., Ltd
Country/Region:Guang Dong - China
Business Nature:Manufacturer
Phone:20129492
Contact:Shawn Gao (Market Manager)
Last Online:27 Feb, 2014