ASTM A394
Full Name
ASTM A394 – Standard Specification for Steel Transmission Tower Bolts, Zinc-Coated and Bare
Scope
This specification covers the chemical and mechanical requirements of hexagon and square-head zinc-coated steel bolts and atmospheric corrosion-resistant bolts, in nominal thread diameters of 1/2 , 5/8 , 3/4 , 7/8 and 1 in for use in the construction of transmission towers, substations, and similar steel structures.
Keywords
bolts; carbon steel; steel; transmission tower; weathering steel