ASTM A1055/A1055M-08a

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 inch-pound or SI units.

1.6 The values stated in either inch-pound units or SI units are to be regarded as standard. Within the text, the SI 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.

TABLE 1 Chemical Composition Requirements for Zinc and Zinc-Alloy Wires

Common Name (UNS)A	Al, max unless noted	Cd, max	Cu, max	Fe, max	Pb, max	Sn, max	Sb, max	Ag, max	Bi, max	As, max	Ni, max	Mg, max	Mo, max	Ti, max	Zn, min	Other, Total max
99.99 ZincB (Z13005)	0.002C	0.003	0.005	0.003	0.003	0.001	…D	…	…	…	…	…	…	…	99.99	…
99.99 ZincB (Z15005)	0.01	0.02	0.02	0.02	0.03	…	…	…	…	…	…	…	…	…	99.9	0.10 total non-Zn
99.995 Zinc (…)E	0.001	0.003	0.001	0.002	0.003	0.003	…	…	…	…	…	…	…	…	99.995	0.005
99.95 Zinc (…)	0.01	0.02	0.001	0.02	0.03	0.001	…	…	…	…	…	…	…	…	99.95	0.050
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