ASTM A394 Galvanized Bolts, ASTM A394 Zinc Coated Bolts, ASTM A394 Hex Bolts, ASTM A394 Tower Bolts Exporter in Worldwide.
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Standard Specification for Steel Transmission Tower Bolts, Zinc-Coated and Bare
This specification covers the chemical and mechanical requirements of hexagon and square-head zinc-coated steel bolts and atmospheric corrosion-resistant bolts for use in the construction of transmission towers, substations, and similar steel structures. The following types of bolts are: Type 0 includes hot-dip zinc-coated bolts made of low or medium carbon steel, Type 1 includes hot-dip zinc-coated bolts made of medium carbon steel, quenched and tempered, Type 2, and Type 3 includes bare, quenched, and tempered bolts made of weathering steel. Steel for the manufacture of bolts shall be made by any of the following processes: open-hearth, electric-furnace, or basic-oxygen. Type 1 bolts produced from medium carbon steel shall be quenched in a liquid medium from above the austenizing temperature. Type 1 bolts produced from medium carbon steel to which chromium, nickel, molybdenum, or boron were intentionally added shall be quenched only in oil from above the austenitizing temperature. Type 3 bolts shall be quenched only in oil from above the austenitizing temperature. Cold-headed Type 0 bolts shall be stress relief annealed before zinc coating to remove cold work effects such that the hardness measured anywhere on the surface or through the cross-section shall meet the requirement specified. Different tests shall be conducted in order to determine the following mechanical properties of bolts: hardness, tensile strength, and shear strength.
ASTM A394 Bolts Manufacturer, ASME A394 Bolts Supplier in India, Qatar, Kuwait, Oman , Saudi Arabia, UAE- ASME, DIN, AS, BS
Metallica Metals India is a leading manufacturer and exporter of ASTM A394 Bolts in India. Our inventory includes astm a394 tower bolts in many grades including 12 point Bolts, threaded rod/bar, studs, double end studs, tap end studs, studbolts are readily available in all standard sizes and schedules.