ASTM-B738 › Historical Revision Information
Standard Specification for Fine-Wire Bunch-Stranded and Rope-Lay Bunch-Stranded Copper Conductors for Use as Electrical Conductors
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This specification deals with bare fine-wire bunch-stranded and rope-lay bunch-stranded copper conductors made from round copper wires finer than No. 40 AWG, either coated or uncoated with tin or silver, for use as electrical conductors. The conductor types covered in this specification are designated Type B for bunch-stranded conductors, and Type R for rope-lay bunch-stranded conductors. On the other hand, the wire classifications are assigned as: Class R, stranded conductors using wire 42 AWG; Class S, stranded conductors using wire 44 AWG; Class T, stranded conductors using wire 46 AWG; Class U, stranded conductors using wire 48 AWG; and Class V, stranded conductors using wire 50 AWG. Wires shall undergo tests that shall evaluated their conformance to physical and electrical properties such as wire cross-sectional area and diameter, coating thickness, tensile strength, elongation, and DC resistance.
Scope
1.1 This specification covers bare bunch-stranded and rope-lay bunch-stranded conductors made from round copper wires finer than No. 40 AWG with diameters less than 0.0031 in. (.078 mm), either coated or uncoated with tin or silver, for use as electrical conductors. (Explanatory Note 1).
1.2 The values (SI units) for density and temperature are regarded as the standard. For all other properties the inch-pound values are to be regarded as standard, and the SI units may be approximate.
Keywords
copper electrical conductor; electrical conductor; electrical conductor—copper; fine-wire bunch-stranded conductor; rope-lay bunch-stranded conductor; stranded conductor; Bunch-stranded electrical conductors; Fine-wire bunch-stranded conductor; Rope-lay-stranded copper conductors; Stranded copper electrical conductors--specifications; ICS Number Code 29.050 (Superconductivity and conducting materials)
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29.050 (Superconductivity and conducting materials)
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Document Number
ASTM-B738-03(2008)
Revision Level
2003 R08 EDITION
Status
Superseded
Modification Type
Reapproval
Publication Date
July 1, 2008
Document Type
Specification
Page Count
6 pages
Committee Number
B01.04