ASTM A899-91 (R2021) pdf free download.Standard Specification for Steel Wire, Epoxy-Coated.
1.1 This specification covers steel wire in the size range of 0.120 to 0.500 in. (3.05 to 12.7 mm) with three classes of protective epoxy coating, in coils, for general use. Class A coaling is intended for use for moderate corrosion protection, Class B coating for more severe protection. and Class C for severe corrosion and abrasion protection.
Note 1—The coating applicator is identified throughout this specification as the manufacturer.
1.2 The values stated in inch-pound units are to be regarded as the standard. The SI units given in parentheses are for information only.
3. Ordering Information
3.1 The purchaser shall specify the following:
3.1.1 Wire size (the nominal diameter of the coated wire),
3.1.2 Quantity,
3.1.3 Class of coating. and
3.1.4 Method of packaging, such as, coils, coils on steel reels. etc.
3.2 The purchaser may specify the following if desired:
3.2.1 Requirements for certification (see 14.1),
3.2.2 Requirements for patching material (see 4.3),
3.2.3 Specific requirements for test frequency (see 8.1), and
3.2.4 Requirements fbr outside inspection of manufacturing plant.
Note 2—A typical ordering description for wire is as Ibllows: 40 000
lb of epoxy coated wire, ASTM A853, 0.148 in. diameter. Grade 1018 with a Class A epoxy coating in 1000 lb coils on steel reels to ASTM A899.
4. Materials and Manufacture
4.1 Steel wire to be coated shall meet the requirements of the purchaser or the requirements of an applicable general wire specification such as Specification A5 I 01A5 I OM and Specification A853. and shall he free of surface contaminants such as oil, grease, or paint when received at the manufacturer’s plant and prior to cleaning and coating.
4.2 The coating material shall meet the requirements Iistcd in Annex Al of Specification A775/A775M.
4.2.1 If specified in the order, a written certification shall be furnished to the purchaser that properly identifies the number of each batch of coating material used in the order, material, quantity represented, date of manufacture, name and address of manufacturer, and a statement that the supplied coating material meets the requirements of Annex Al of Specification A775/A775M.
4.3 If specified in the order, patching material, compatible with the coating material and meeting the requirements of Annex Al of Specification A775/A775M shall be supplied to the purchaser.
5. Surface Preparation
5.1 The surface of the steel wire to he coated shall be cleaned by abrasive blast cleaning or chemical cleaning prior to coating to ensure proper adherence of the epoxy to the steel surface.ASTM A899 pdf download.