ASTM A66-21

Anotácia textu normy ASTM A66-21 :

This specification deals with steel screw spikes used as fastenings between railroad rails, tie plates, and ties. The steel shall be made by electric-furnace or basic-oxygen, may be cast by continuous process or in ingots, and the heads and threads of the spikes may be formed by hot- or cold-forming methods. Tension and bend tests of the material shall be made. Inspection, certification, and product marking are also covered.


Keywords:
rails, railway applications, steel screw spikes, track spikes,, ICS Number Code 21.060.10 (Bolts, screws, studs)