ASTM A394-05e1

    Standard Specification for Steel Transmission Tower Bolts, Zinc-Coated and Bare

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    1. Scope

    1.1 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. The various types of bolts covered in this specification are:

    1.1.1 Type 0—Hot-dip zinc-coated bolts made of low or medium carbon steel.

    1.1.2 Type 1—Hot dip zinc-coated bolts made of medium carbon steel, quenched and tempered.

    1.1.3 Type 2—Withdrawn in 2005.

    1.1.4 Type 3—Bare (uncoated), quenched and tempered bolts made of weathering steel.

    1.2 Annex A1 of this specification covers hot-dipzinc-coated steel ladder bolts, step bolts, and support-equipment bolts.

    1.3 Nuts and washers that are supplied under this specifcation that are hot-dip zinc coated shall be in accordance with 4.4.

    1.4 Terms used in this specification are defined in Terminology F1789.

    1.5 The values stated in ince-pound units are to be regarded as the standard. The values given in parentheses are for information only.

    1.6 The following safety hazards caveat pertains only to the test methods portion, Section 11, of this specification. This standard does not purport to address all of the safety concerns, if any, associated with its use. 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.

    2. Referenced Documents (purchase separately) The documents listed below are referenced within the subject standard but are not provided as part of the standard.

    ASTM Standards

    A563 Specification for Carbon and Alloy Steel Nuts

    D3951 Practice for Commercial Packaging

    F436 Specification for Hardened Steel Washers

    F606/F606M Test Methods for Determining the Mechanical Properties of Externally and Internally Threaded Fasteners, Washers, Direct Tension Indicators, and Rivets

    F788/F788M Specification for Surface Discontinuities of Bolts, Screws, and Studs, Inch and Metric Series

    F1470 Practice for Fastener Sampling for Specified Mechanical Properties and Performance Inspection

    F1789 Terminology for F16 Mechanical Fasteners

    F2329 Specification for Zinc Coating, Hot-Dip, Requirements for Application to Carbon and Alloy Steel Bolts, Screws, Washers, Nuts, and Special Threaded Fasteners

    G101 Guide for Estimating the Atmospheric Corrosion Resistance of Low-Alloy Steels

    ASME Standards

    B1.1 Unified Screw Threads

    B18.2.1 Square and Hex Bolts and Screws

    B18.24 Part Identifying Number (PIN) Code System Standard for Fastener Products

    ICS Code

    ICS Number Code 21.060.10 (Bolts, screws, studs); 29.240.20 (Power transmission and distribution lines)

    UNSPSC Code

    UNSPSC Code 11101704(Steel); 31161600(Bolts)

    Referencing This Standard
    Link Here
    Link to Active (This link will always route to the current Active version of the standard.)

    DOI: 10.1520/A0394-05E01

    Citation Format

    ASTM A394-05e1, Standard Specification for Steel Transmission Tower Bolts, Zinc-Coated and Bare, ASTM International, West Conshohocken, PA, 2005,

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