ASTM-A934 2007

$44.96

A934/A934M-07 Standard Specification for Epoxy-Coated Prefabricated Steel Reinforcing Bars

Published By	Publication Date	Number of Pages
ASTM	2007	16

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Categories: 77.140.15 - Steels for reinforcement of concrete, ASTM

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Description

1.1 This specification covers deformed and plain steel reinforcing bars which prior to surface preparation are prefabricated and then coated with a protective fusion-bonded epoxy coating by electrostatic spray or other suitable method.

1.2 Prefabricated steel reinforcing bars coated with fusion-bonded epoxy formulations in accordance with this specification are not intended to be bent or rebent.

Note 1

Experience has shown epoxy-coated prefabricated steel reinforcing bars have limited capability to be successfully field bent or rebent (see ). If the construction project requires epoxy-coated steel reinforcing bars that must be able to sustain field bending or rebending, the use of coated bars conforming to Specification A 775/A 775M should be considered.

1.3 Organic coatings other than epoxy may be used provided they meet the requirements of this specification.

1.4 Requirements for epoxy coatings are contained in Annex A1.

1.5 Guidelines for application process and product test procedures of epoxy coatings for steel reinforcing bars are presented in Appendix X1.

1.6 Guidelines for construction practices at the job-site for coated steel reinforcing bars are presented in Appendix X2.

1.7 This specification is applicable for orders in either SI (metric) units (as Specification A 934M) or inch-pound units [as Specification A 934].

1.8 &combined-units;

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.

PDF Catalog

PDF Pages	PDF Title
1	Scope Referenced Documents
2	Terminology Ordering Information Materials Prefabrication of Steel Reinforcing Bars Surface Preparation of Steel Reinforcing Bars
3	Coating Application Requirements for Coated Steel Reinforcing Bars FIG. 1
4	Frequency of Tests Retests Permissible Amount of Damaged Coating and Repair of Damaged Coating
5	Inspection Rejection Certification Handling and Identification Keywords
6	A1. REQUIREMENTS FOR FUSION-BONDED EPOXY POWDER COATINGS FOR PREFABRICATED STEEL REINFORCING BARS A1.1 Epoxy Powder Coatings A1.2 Test Materials A1.3 Coating Requirements
7	FIG. A1.1
8	FIG. A1.2
9	A1.4 Qualification Testing A1.5 Certification X1. APPLICATION PROCESS AND PRODUCT TEST PROCEDURES OF EPOXY COATINGS FOR STEEL REINFORCING BARS X1.1 Scope X1.2 Recommended Tests X1.3 Minimum Test Frequency X1.4 Screen Analysis of Blasting Abrasive X1.5 Steel Reinforcing Bar Surface Profile Measurement
10	X1.6 Steel Reinforcing Bar Surface Residue X1.7 Detection of Salt Contamination X1.8 Detection of Mill Scale Contamination
11	FIG. X1.1
12	X1.9 Porosity Rating and Interfacial Contamination FIG. X1.2
13	FIG. X1.3
14	FIG. X1.4
15	X1.10 Cathodic Disbondment Testing X1.11 Salt Spray Testing X2. GUIDELINES FOR JOB-SITE PRACTICES X2.1 X2.2 X2.3
16	X3. PERMISSIBLE INCREASED COATING THICKNESS ON BENT SECTIONS OF BARS X3.1 X3.2 X3.3 X3.4 X3.5

Additional information

Standard Title	A934/A934M-07 Standard Specification for Epoxy-Coated Prefabricated Steel Reinforcing Bars
Published Code	ASTM
Publication Date	2007
Pages Count	16
ICS Codes	77.140.15 - Steels for reinforcement of concrete

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ASTM-A934 2007

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