All-Directional Tai Chuan, All-Directional Services –we are not only selling materials, but we making friends as well.
 


     Specialized manufacturer for highway and freeway fending steel plate, we produce road fending steel plate conforming to all steel fending plate specifications of Highway Bureau and Freeway Engineering Bureau. Illustrative catalogues and files are available on line for downloading.

  1. Steel plate shall be brand new than 2 nd hand. Thickness before galvanizing shall be 2.3 ± 0.21mm and shall meet AASHTO M180 requirements .
  2. Shape and dimension shall be lipped-formed as per the indication of drawing.
  3. Formed steel plate shall be hot-dip galvanized as per ASSHTO M111 with average galvanizing volume of 500g / m2 or higher, and any single plate shall be 450g/ m2 or higher. The galvanized surface shall be even, smooth and any plate with any slag, clinking or particles shall be rejected and shall be excluded by seller before acceptance.
  4. All fastening piece shall be wrought iron or medium steel and galvanized as per requirements of AASHTO M153.
  5. The shearing and punching shall be worked in shop before galvanizing. The break or naked portion at the bottom shall be coated with high zinc content coating.
  6. After galvanizing, the finished steel plate shall have yield stgrength no less than 35.16 kg/ mm2 and tensile strength shall not be less than 49.23 kgf/mm2 and elongation shall not be less than 12%.
  7. The inspection items of fending steel plate are yield strength, tensile strength, elongation, galvanizing volume and thickness of steel plate. Others are secondary inspection items.
 

   

Manufacturing and Inspection

  1. Base on construction technical specification as amended and promulgated in Mar. 1987 by Taiwan Area National Freeway Bureau, Ministry of Transportation and Communication.
  2. The fending steel plate shall meet with requirements of AASHTO M180 and the shape shall be rolled and manufactured as per indication on the drawing and shall be hot-dip galvanized as per requirements of AASHTO M111.
  3. Fending Steel Plate shall be at standard thickness of 2.67 mm prior to galvanizing and 2.74 mm after galvanizing.
  4. The shearing shall be done before the fending steel plate is galvanized, together with shop cutting, drilling and hole punching. Only the holes with special shape or other feature may be made at jobsite under the approval of the supervising unit.
  5. The break, drilling and cutting on the galvanized surface of fending steel plate shall be finished with 2 costs of high zinc content coating.
  6. The length, shape (such as spiral end, end plate, bending plate or twisted plate) of fending steel plate requiring site working, Party B shall cooperate in full and shall not stall or demanding escalation.
  7. All tie pieces shall be made of wrought iron or medium steel and shall be galvanized as per the requirements of ASTM A 153.