IS 279 : 1981 Galvanized steel wire for telegraph and telephone purposes

1 Scope

1.1 This standard covers the requirements for two grades ofgalvanized steel wires suitable for use as:

a) telegraph and telephone line wires, and

b) binding and jointing wires for telegraph and telephone wires.

2 References

IS 2 :1960Rules for rounding off numerical values

IS 1521 :1972Method for tensile testing of steel wire

IS 1755 :1961Method for wrapping test of wire

IS 1956 : Part V :1976 Glossary of terms relating to iron andsteel :Part V Bright steel bar and steel wire

IS 4826 :1968Specification for galvanized coatings on roundsteel wires

IS 4905 :1968Methods for random sampling

IS 7887 :1975Mild steel wire rod for general engineeringpurposes

IS 8910 :1978General technical delivery requirements forsteel and steel products