ASTM B267-07(2023)

Detail information

Designation: ASTM B267-07(2023)

Publication date: 01/11/2023

Pages: 5

Country: American technical standard

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Anotation

This specification covers round wires and ribbons with controlled electrical properties made from magnetic and nonmagnetic class 1a-11 alloys. The wires and ribbons, which may have insulated coverings or enamel coatings, are recommended for use in wire-wound resistance units like precision resistors and other similar applications, but not for use as electrical heating elements. Each bare wire should conform to the requirements for nominal resistivity, elongation, thermal electromotive force with respect to copper, and the temperature coefficient of resistance contained in this specification. The nominal resistance per unit length for a round wire is calculated from the nominal resistivity and nominal cross-sectional area.


Keywords:
precision resistors, resistivity, resistor alloys, resistors, wire wound,, ICS Number Code 29.050 (Superconductivity and conducting materials)