BS 4087:1989

Specification for copper-covered steel wire for telephone and telegraph purposes.

NORMA vydaná dňa 31.8.1989

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The information about the standard:

Designation standards: BS 4087:1989
Publication date standards: 31.8.1989
The number of pages: 10
Approximate weight : 30 g (0.07 lbs)
Country: British technical standard
Kategória: Technické normy BS

Annotation of standard text BS 4087:1989 :

Mechanical and electrical properties of copper-covered steel wire with two grades of conductivity and three of tensile strength together with size tolerances for a range of wire sizes. Metric units. Status: Confirmed