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

Standard No.
ASTM B298-12
Release Date
2012
Published By
American Society for Testing and Materials (ASTM)
Status
Replace By
ASTM B298-12(2017)
Latest
ASTM B298-12(2017)
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 1.258201;% of the total weight of the coated wire.

1.1.2 Class B???Wire whose silver coating is at least 2.508201;% of the total weight of the coated wire.

1.1.3 Class C???Wire whose silver coating is at least 4.008201;% of the total weight of the coated wire.

1.1.4 Class D???Wire whose silver coating is at least 6.108201;% of the total weight of the coated wire.

1.1.5 Class E???Wire whose silver coating is at least 10.008201;% 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

Diameter,
in.

Area at 20??C

Elongation
in 10 in.,
min,8201;%

Thickness of Coating, ??in. (For Information Only)

cmils

in.2

Class A, 1.25
% Silver

ASTM B298-12 history

  • 2012 ASTM B298-12(2017) Standard Specification for Silver-Coated Soft or Annealed Copper Wire
  • 2012 ASTM B298-12 Standard Specification for Silver-Coated Soft or Annealed Copper Wire
  • 2007 ASTM B298-07 Standard Specification for Silver-Coated Soft or Annealed Copper Wire
  • 1999 ASTM B298-99e1 Standard Specification for Silver-Coated Soft or Annealed Copper Wire
  • 1999 ASTM B298-99 Standard Specification for Silver-Coated Soft or Annealed Copper Wire


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