Copper

TECHNICAL SPECIFICATION OF

MAJOR RAW MATERIALS

 

SPECIFICATION OF COPPER WIRE

Continuous Cast Hot Rolled Pickled & Annealed Electrolytic Copper Wire of 8 MM diam. for Production of Electric Cables & Wires.  (ASTM B 49-78; JISC 3102

Diameter

Tensile Strength

Elongation

  Conductivity at 20°C 

Sp. Gravity

8.00 mm (Tolerance ± 0.38 mm) 25 kg/mm2 (Max) 35 % (Min) 100 % of IACS (Min) 8.90  ;  Purity : 99.90 % (Min)

 

The surface of the wire shall be wax coated, bright and completely free from any black stain. The wire shall be free of imperfection not consistent with good commercial practice. After drawing the wire shall satisfy the requirements of JIS C-3102 for annealed wire and JIS C-3101 for unannealed (hard drawn) wire.

Packing :  The materials shall be supplied in sea worthy export packing and in compact jumbo coils of 2500 kg. All coils pickled & protectively wax coated to prevent further oxidation. Stores should be securely packed in jumbo coils bonded with steel wire strapping to ensure safe transit by  sea, truck/rail. Each coil  wrapped  with two layers of waterproof polythene  plastic & then packed in hard wooden pallets.

Sample :   A sample of 100 meter length must be supplied with the offer, if the material has not been earlier used or tested for acceptance by ECL.

COMPILED BY
PLANNING & QUALITY CONTROL DEPARTMENT

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