Use of Cookies

Our website uses cookies to facilitate and improve your online experience. When you use this website, please click Agree below. For more information on use of Cookies, please refer here.

Please choose your region

For each regional website links, please find below:

Please choose your region

Even if the diameter and configuration are the same, a genuine TADANO wire rope may differ from the market products in the following points.

  1. Wire class
  2. Diameter tolerance
  3. Torque coefficient and/or direction of lay

The wire class is a rank of the nominal tensile strength of the wires that make up the rope.
The ordinary classes in the market are the following.

  • Class E: 135 kgf/mm2 (1320 N/mm2) grade, bare
  • Class G: 150 kgf/mm2 (1470 N/mm2) grade, plated
  • Class A: 165 kgf/mm2 (1620 N/mm2) grade, bare or cold processed after plating
  • Class B: 180 kgf/mm2 (1770 N/mm2) grade, bare or cold processed after plating

In addition, there is the special class (designated class, Class C) category: 195 kgf/mm2 (1910 N/mm2) grade or higher. These are products that were developed jointly by a manufacturer of construction machinery or elevators and a rope manufacturer. In general the ordinary sale of these products is prohibited by an agreement between the manufacturers at the time of development. Many TADANO products use special class (designated class, Class C) wire ropes.

Maximum allowable load (breaking load)   :   Market parts < Genuine parts
In the worst case, an accident may occur due to breakage of the wire rope!




Stories and Discoveries