Bunched Wires
Pure Copper Bunched Wire
High-purity electrolytic bunched copper wire exceeding ASTM B-1 through B-787 standards.
Tekla Energy Certified Quality
Need a Custom Specification?
We manufacture to customized diameters, stranding lay geometries, and special packaging requirements.
Or email: md@teklaenergy.in
Product Overview
Tekla Energy offers a comprehensive range of bunched copper wires specially engineered as per customer requirements. Pure electrolytic-grade copper is used in manufacturing, meeting and exceeding all global standards to offer an end-to-end solution for cable extruders, harness makers, and transformer manufacturers.
Technical Specifications
| Base Material Grade | Electrolytic Grade Copper (Cu ≥ 99.99%) |
| Surface Coating | Bare Bright Annealed / Tinned options |
| Size / Diameter Range | 0.05 mm individual strands up to multi-core bunches |
| Compliance Standards | ASTM B-1 (Hard-Drawn Copper Wire) • ASTM B-2 (Medium-Hard Copper Wire) • ASTM B-3 (Soft or Annealed Copper Wire) • ASTM B-8 (Concentric-Lay Stranded) • ASTM B-33 (Tinned Conductors) • ASTM B-787 (19-Wire Combination Unilay Stranded) |
| Packaging Formats | DIN 630 Spools, DIN 400 Spools, Baskets, Coils |
Standard Spool & Bobbin Packaging Matrix
| Wire Size | Coil | Basket | DIN 630 mm | DIN 400 mm | DIN 250 mm | DIN 160 mm |
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Key Performance Features
- ✓Manufactured exclusively from 99.99% pure electrolytic cathode copper
- ✓Controlled annealing for optimal elongation and conductivity (IACS > 101%)
- ✓Strict control of bunch lay ratio for smooth extrusion jacket adhesion
- ✓Zero twist and knot defects with automated tension payoff
- ✓Available in custom strand counts and diameters on request
Target Applications
- ›Aerial power distribution
- ›Circuit ground connections
- ›Machinery and equipment grounding
- ›Flexible power and control cables
- ›Elevator and crane trailing cables
