ASTM-B298 2012

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B298-12 Standard Specification for Silver-Coated Soft or Annealed Copper Wire

Published By	Publication Date	Number of Pages
ASTM	2012	8

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Categories: 77.150.30 - Copper products, ASTM

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Description

ASTM B298-12

Historical Standard: Standard Specification for Silver-Coated Soft or Annealed Copper Wire

ASTM B298

Scope

1.1 This specification covers silver-coated, soft or annealed, round copper wire, intended for use in electrical equipment, as follows:

1.1.1 Class A—Wire whose silver coating is at least 1.25 % of the total weight of the coated wire.

1.1.2 Class B—Wire whose silver coating is at least 2.50 % of the total weight of the coated wire.

1.1.3 Class C—Wire whose silver coating is at least 4.00 % of the total weight of the coated wire.

1.1.4 Class D—Wire whose silver coating is at least 6.10 % of the total weight of the coated wire.

1.1.5 Class E—Wire whose silver coating is at least 10.00 % of the total weight of the coated wire.

1.2 Silver-coated wire having different minimum percentages of silver by weight may be obtained by mutual agreement between the manufacturer and the purchaser. For information purposes the thickness of coating in microinches provided by the percentages listed above is shown in Table 1 (Explanatory Note 1).

TABLE 1 Tensile Requirements

1.3 The values stated in inch-pound units are to be regarded as standard. The values given in parentheses are mathematical conversions to SI units that are provided for information only and are not considered standard.

1.3.1 Exceptions—The SI values for density, resistivity, and volume are to be regarded as standard.

1.4 The following precautionary caveat pertains only to the test method section of this specification: 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. For specific precautionary statements see 8.4.1.2 and Explanatory Note 2.

Keywords

copper wire silver-coated; silver-coated annealed copper wire; silver-coated copper electrical equipment wire; silver-coated soft copper wire

ICS Code

ICS Number Code 77.150.30 (Copper products)

DOI: 10.1520/B0298-12

Additional information

0.0320	1 020
Cmils	in.2
0.0359	1 290
0.0159	253
0.0179	320
0.0113	128
0.0453	2 050
0.0080	64.0
0.1285	16 510
0.0031	9.61
0.0100	100
0.0089	79.2
0.0045	20.2
0.0285	812
0.0142	202
0.0063	39.7
0.0040	16.0
0.0050	25.0
0.0071	50.4
0.0035	12.2
0.0571	3 260
0.0201	404
0.0403	1 620
0.0226	511
0.0028	7.84
0.0720	5 180
0.0126	159
0.0641	4 110
0.0025	6.25
0.0907	8 230
0.0808	6 530
0.0508	2 580
Diameter, in.	Area at 20°C
0.0022 0.0020	4.84 4.00
0.0056	31.4
0.1144	13 090
0.0253	640
ICS Codes	77.150.30 - Copper products
0.1019	10 380

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ASTM-B298 2012

ASTM B298-12

Historical Standard: Standard Specification for Silver-Coated Soft or Annealed Copper Wire

ASTM B298

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