Oxygen Free Copper Wire Rod

Tamra’s Oxygen-Free Copper (OFC) Wire Rod is produced using top-quality cathodes to achieve ultra-high purity (≥ 99.99% copper content) with oxygen content kept at ≤ 10 ppm. Manufactured via continuous vertical upward casting, these rods are free from hydrogen embrittlement and ideal for applications demanding exceptional electrical and thermal performance.

Applications

Continuous extrusion and drawing

Renewable energy systems (solar, wind)

Magnet wire and specialty electrical cables

Aerospace, satellite, and space-grade interconnects

Types & Sizes

Material Grades: C10100 / OFE (Oxygen-Free Electrolytic), C10200 / OF
Diameter Range: 8.0 mm to 20.0 mm (± 0.20 mm tolerance)
Surface Quality: Clean, metallic, scratch-free rod
Packaging Options: Coil weights of 1 MT, 2 MT, or 3 MT (or customer-specific) on wooden pallets or sea-worthy packaging

Specification

Parameter	Specification
Copper Content	≥ 99.99%
Oxygen Content	≤ 10 ppm
Conductivity	≥ 101% IACS
Diameter Tolerance	± 0.20 mm
Surface Condition	Clean, metallic, free from scratches
Packaging Options	Coils (1T / 2T / 3T) on pallets/drums

Key Features

Highest purity OFC – resists hydrogen embrittlement, suitable for critical applications
Tight diameter control – essential for precision extrusion and drawing
Clean surface finish – ensures minimal surface defects
Flexible packaging options – suitable for both bulk and custom requirements

Product Range

Oxygen-Free Wire Rod in diameters from 8 mm to 20 mm

Available in both C10100 (OFE) and C10200 (OF) grades

Custom-coil packaging as per client needs

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Special Cables serving as one of India’s most trusted Manufacturer of Wires and Cables.