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ASTM B246-15(2021)
Standard Specification for Tinned Hard-Drawn and Medium-Hard-Drawn Copper Wire for Electrical Purposes
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NORM herausgegeben am 1.10.2021
Informationen über die Norm:
Bezeichnung normen: ASTM B246-15(2021)
Ausgabedatum normen: 1.10.2021
SKU: NS-1039226
Zahl der Seiten: 5
Gewicht ca.: 15 g (0.03 Pfund)
Land: Amerikanische technische Norm
Kategorie: Technische Normen ASTM
Kategorie - ähnliche Normen:
Die Annotation des Normtextes ASTM B246-15(2021) :
This specification covers tinned hard-drawn and medium-hard-drawn round copper wire for electrical properties. The tinned wire shall be made by coating hard-drawn and medium-hard-drawn copper wire with commercially pure tin. The copper shall be of such quality and purity that the finished product shall have the properties and characteristics prescribed in this specification. The tin coating shall consist of a smooth continuous layer, firmly adhering to the surface of the copper. The wire shall be free from all imperfections not consistent with the best commercial practice. The tinned wire shall conform to the requirements as to the tensile properties prescribed. Tension tests shall be made on representative samples. The elongation of the wire shall be determined as the permanent increase in length due to the breaking of the wire in tension, measured between gage marks. Electrical resistivity shall be determined by resistance measurements made in accordance with the test method prescribed in this specification. The continuity of coating on the wire shall be determined by the sodium polysulfide test. The specimens shall be thoroughly cleaned by immersion in a suitable solvent for the appropriate time required to remove oil or grease from surface; then removed and wiped dry with clean, soft cloth. Mechanical test for adhesion of coating shall be performed. Any cracking or parting of the coating in the area shown by blackening of the copper shall be cause for rejection.
Keywords:
tinned copper wire, tinned hard-drawn copper wire, tinned medium-hard-drawn copper, tinned round copper wire for electrical purposes,, ICS Number Code 29.060.10 (Wires)
Ergänzende Informationen
| 1. Scope | ||||||||||
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1.1?This specification covers tinned hard-drawn and medium-hard-drawn round copper wire for electrical purposes. 1.2?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. 1.2.1?ExceptionFor density, resistivity and temperature, the values stated in SI units are to be regarded as standard. 1.3?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, health, and environmental practices and determine the applicability of regulatory limitations prior to use. For hazard statement, see Sections 10 and 13. 1.4?This international standard was developed in accordance with internationally recognized principles on standardization established in the Decision on Principles for the Development of International Standards, Guides and Recommendations issued by the World Trade Organization Technical Barriers to Trade (TBT) Committee. |
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