November 19, 2018

ASTM A394 PDF

ASTM A Standard Specification for Steel Transmission Tower Bolts, Zinc- Coated and Bare. This standard is issued under the fixed designation A; the number immediately . ASTM A – XX, with hot-dip zinc-coated hex nuts, Grade A, ASTM. 1 Aug This standard is issued under the fixed designation A ; the number . zinc coated, shear testing required, ASTM A – XX, with hot-dip.

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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 various types of bolts covered in this specification are:. This abstract is a brief summary of the referenced standard.

ASTM does not give any warranty express or implied or make any representation that the contents of this abstract are accurate, complete or up to date. The various types of bolts covered in this specification are: Historical Version s – view previous versions of standard. Steel for the manufacture of bolts shall be made by any of the following processes: It is the responsibility of the user of this standard to establish appropriate safety and health practices and determine the applicability of regulatory limitations prior to use.

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ICS Number Code The following types of bolts are: Referenced Documents purchase separately The documents listed below are referenced within the subject standard but are not provided as part of the standard. This standard does not purport to address all of the safety concerns, if any, associated with its asmt.

It is informational only and not an official part of the astk the full text of the standard itself must be referred to for its use and application. Cold-headed Type 0 bolts shall be stress relief annealed before zinc coating to remove cold w394 effects such that the hardness measured anywhere on the surface or through the cross-section shall meet the requirement specified.

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 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 axtm made of weathering steel.

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ASTM A – 00 Standard Specification for Steel Transmission Tower Bolts, Zinc-Coated and Bare

No other units of measurement are included in this standard. Link to Ast This link will always route to the current Active version of the standard.

Different tests shall be conducted in order to determine the following mechanical properties of bolts: Type 3 bolts shall be quenched only in oil from above the austenitizing temperature.