ASTM A818-06 (R2021) pdf free download.Standard Specification for Coppered Carbon Steel Wire.
1.1 This specification covers coppered carbon steel wire supplied in coils for general use. It may be produced hard drawn, annealed in process. or annealed at finish size. The coating is very thin and is not designed for protection against corrosion.
1.2 The values stated in inch-pound units are to be regarded as standard. The values given in parentheses are provided for infornation only.
3. Terminology
3. 1 Definitions of Terms Specific to This Standard:
3. 1. 1 annealed coppered wire—wire that may he either
3.1.2 annealed-in-process wire—at some stage before application of the copper, the steel wire is thermally treated and subsequently coated with copper and redrawn. coated with copper. drawn, and annealed at finish size, or drawn, annealed at finish size and then coppered.
3. 1 .3 carbon steel—steel that has no minimum content specified or required for aluminum, chromium, cobalt, columbium, molybdenum, nickel, titanium, tungsten. vanadium, or zirconium or any other element added to obtain a desired alloying effect; steel that has the specified minimum copper content that does not exceed 0.40 %; or the maximum content for any of the following elements that does not exceed these percentages: manganese 1 .65, silicon 0.60, or copper
0.60.
3.1.4 coppered steel i’ire—produced by cold drawing rod or wire that has been immersed in a copper sulfate solution.
3.1.5 hard drawn wire—wire that is coppered and drawn without the use of thermal treatment.
4. Ordering Information
4.1 Orders for material under this specification should include the following information:
4.1.1 Quantity (weight in pounds).
4.1.2 Coated wire diameter, in inches, to the third decimal point,
4.1.3 Name of material (coppered carbon steel wire),
4.1.4 Grade of steel,
4.1.5 Condition (hard drawn, annealed in process, or annealed at finished size),
4. 1 .6 Finish (lustrous or matte),
4.1.7 Packaging requirements, and
4.1.8 ASTM designation and year of issue.
5. Materials and Manufacture
5.1 The steel rod from which the wire is drawn shall be manufactured by the open-hearth, electric-furnace, or basic- oxygen process.
5.2 Coppcred wire may be supplied in any of the following conditions: hard-drawn, annealed-in-process, or annealed.
6. Mechanical Properties
6.1 The coppered steel wire shall meet the tensile strength requirements shown in Table 1 when tested in accordance with Methods A370.
6.2 Test specimens found to contain a weld or an obvious defect shall be discarded and another test specimen obtained to verify conformance to the tensile strength requirements.
7. I)irnensions and Tolerances
7.1 The permissible variation in diameter of the coppered wire as represented by the test specimens shall be as indicated in Specification A510.
8. Coating Requirements
8.1 Due to the nature of the process, the thickness of the copper coating is extremely thin.ASTM A818 pdf download.