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ASTM B355-11

Current Revision

Standard Specification for Nickel-Coated Soft or Annealed Copper Wire

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1.1 This specification covers nickel-coated, soft or annealed, round copper wire for use in electrical equipment.

1.2 Five classes of wire are covered as follows:

1.2.1 Class 2Wire whose nickel coating is at least 2 % of the total weight of the coated wire.

1.2.2 Class 4Wire whose nickel coating is at least 4 % of the total weight of the coated wire.

1.2.3 Class 7Wire whose nickel coating is at least 7 % of the total weight of the coated wire.

1.2.4 Class 10Wire whose nickel coating is at least 10 % of the total weight of the coated wire.

1.2.5 Class 27Wire whose nickel coating is at least 27 % of the total weight of the coated wire.

Note 1—For information purposes, the thickness of coating in microinches provided by the percentages listed in 1.2 is shown in Table 1.

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

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

1.4 This hazard statement applies only to Section 6, Test Methods, and to the Appendix 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.

This specification covers nickel-coated, soft or annealed, round copper wire for use in electrical equipment. Five classes of wire are covered as follows: Class 2, Class 4, Class 7, Class 10, and Class 27. Properties like elongation, resistivity and dimensions of the wire shall be determined. The continuity of the coating shall be determined by the sodium polysulfide test. Adherence of the coating shall be determined by wrapping and immersion tests.


SDO ASTM: ASTM International
Document Number B355
Publication Date April 1, 2011
Language en - English
Page Count 8
Revision Level 11
Supercedes
Committee B01.04
Publish Date Document Id Type View
April 1, 2011 B0355-11 Revision
Oct. 1, 2006 B0355-06 Revision
Jan. 1, 1995 B0355-95 Revision
Oct. 1, 2024 B0355-11R24 Reaffirmation
Oct. 1, 2016 B0355-11R16 Reaffirmation
Oct. 1, 2003 B0355-95R03 Reaffirmation