ASTM A1055-08

    Standard Specification for Zinc and Epoxy Dual Coated Steel Reinforcing Bars


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    1. Scope

    1.1 This specification covers deformed and plain steel reinforcing bars with a dual coating of zinc alloy and an epoxy coating. The zinc alloy layer is applied by the thermal spray coating method (metallizing) followed by an epoxy coating applied by the electrostatic spray method.

    Note 1—The coating applicator is identified throughout this specification as the manufacturer.

    1.2 Requirements of the zinc coating are contained in Table 1.

    1.3 Requirements for fusion-bonded powder coatings are contained in Annex A1.

    1.4 Guidelines for construction practices at the job site are presented in Appendix X1.

    1.5 This specification is applicable for orders in either SI units or inch pounds units.

    1.6 The values stated in either SI or inch-pound units are to be regarded as standard. Within the text, the inch-pound units are shown in brackets. The values stated in each system are not exact equivalents; therefore, each system must be used independently of the other, except as specifically noted in Table 2. Combining values from the two systems may result in nonconformance with this specification.

    1.7 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

    A615/A615M Specification for Deformed and Plain Carbon-Steel Bars for Concrete Reinforcement

    A706/A706M Specification for Low-Alloy Steel Deformed and Plain Bars for Concrete Reinforcement

    A775/A775M Specification for Epoxy-Coated Steel Reinforcing Bars

    A944 Test Method for Comparing Bond Strength of Steel Reinforcing Bars to Concrete Using Beam-End Specimens

    A996/A996M Specification for Rail-Steel and Axle-Steel Deformed Bars for Concrete Reinforcement

    B117 Practice for Operating Salt Spray (Fog) Apparatus

    B833 Specification for Zinc and Zinc Alloy Wire for Thermal Spraying (Metallizing) for the Corrosion Protection of Steel

    D4060 Test Method for Abrasion Resistance of Organic Coatings by the Taber Abraser

    E29 Practice for Using Significant Digits in Test Data to Determine Conformance with Specifications

    E527 Practice for Numbering Metals and Alloys in the Unified Numbering System (UNS)

    G8 Test Methods for Cathodic Disbonding of Pipeline Coatings

    G14 Test Method for Impact Resistance of Pipeline Coatings (Falling Weight Test)

    G20 Test Method for Chemical Resistance of Pipeline Coatings

    G62 Test Methods for Holiday Detection in Pipeline Coatings

    American Welding Society

    AWSC2.25/C2.25M Specification for Thermal Spray Feedstock--Solid and Composite Wire and Ceramic Rods

    NACE International Standard

    RP-287 Field Measurement of Surface Profile of Abrasive Blast-Cleaned Steel Surface Using a Replica Tape

    Society for Protective Coatings Specifications

    SSPC-VIS1 Pictorial Surface Preparation standards for Painting Steel Surfaces

    Concrete Reinforcing Steel Institute

    VoluntaryCertificati for Fusion Bonded Epoxy Coating Applicator Plants

    American Concrete Institute Standard

    ACI301 Specifications for Structural Concrete


    ICS Code

    ICS Number Code 25.220.40 (Metallic coatings); 25.220.60 (Organic coatings)

    UNSPSC Code

    UNSPSC Code 30103623(Reinforcing bar or rebar or mesh)


    Referencing This Standard

    DOI: 10.1520/A1055-08

    ASTM International is a member of CrossRef.


    Citation Format

    ASTM A1055-08, Standard Specification for Zinc and Epoxy Dual Coated Steel Reinforcing Bars, ASTM International, West Conshohocken, PA, 2008, www.astm.org

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