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Copper Wire
Rod (8.10 mm)

High-purity copper wire rod engineered for stable downstream drawing, electrical performance, and industrial-scale cable production
Technical Specification

Product Overview

Copper wire rod Ø 8.10 mm designed for further fabrication into electrical conductors using drawing and multi-drawing technologies.


The material ensures stable conductivity, dimensional consistency, and smooth surface quality required for high-precision cable production
600
Tons per month
7 000
Tons per year

Technical Specifications

Nominal diameter
8.10 mm
Diameter tolerance
±0.3 mm
Chemical
composition
UNS C11040, Cu-ETP1, CW003A
Oxygen content
≈ 200 ppm
Surface oxide
< 300 Å
Electrical resistivity
< 0.01700 Ω x mm²/m
Conductivity
> 101.4 % IACS
Elongation
> 40 %
Spiral elongation
430 – 450 mm
Ultimate strength
≥ 220 MPa
Twist test
Ø8 mm: >55 twists / Ø10 mm: >40 twists
Surface finish
Smooth surface without cracks or inclusions
Note
Values correspond to ASTM B49 and EN 1977 standards
Product image

Compliance with International Standards

Full compliance guaranteed
Quality
ASTM B-49
Copper Rod for Electrical Purposes
American standard specifying requirements for copper rod used in electrical applications, including conductivity, chemical composition, dimensional tolerances, and mechanical properties
Quality
EN 1977
Copper Wire Rod Standard
European standard defining technical requirements for copper wire rod, including chemical purity, electrical performance, and dimensional consistency
Quality
EN 13602
Copper Wire for Electrical Conductors
European standard specifying requirements for copper wire used in electrical conductors, including chemical composition, conductivity, and mechanical characteristics

Quality Assurance

Quality control is integrated at every production stage — from chemical composition analysis to final dimensional and electrical testing — ensuring reliable performance in downstream cable manufacturing
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Dimensional Control
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Electrical Conductivity Verification
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Surface Integrity Control
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Full Batch Traceability
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