Ningbo Jintian Copper (Group) Co., Ltd.
Ningbo Jintian Copper (Group) Co., Ltd.
  • Oxygen-free Copper Bar
  • Oxygen-free Copper Bar

Oxygen-free Copper Bar

The T2 and TU2 copper rods produced by Jintian can be widely used in electrical engineering, electrical appliances, power transmission and transformation, molds, metal processing and other industries. Jintian oxygen free copper (OFC) bar is high-quality in conductive materials for various high and low voltage electrical accessories, and quite competitive in the oxygen free copper price. 

Oxygen-free Copper Bar Certifications
  • ISO9001
  • ISO14001
  • OSHMS

Oxygen-free Copper Bar Performance Advantages


  • The surface is smooth and straight (no trace of straightening)

  • Accurate size

  • High conductivity

  • Excellent mechanical properties

Oxygen-free Copper Bar Application Fields

  • Subway Power Distribution System
    Subway Power Distribution System
  • New Energy Car Electrode
    New Energy Car Electrode

Oxygen-free Copper Bar Performance Parameter


Alloy GradeCodeStatusDiameter or margin/mm
Round rodRectangular rodSquare rod, hexagonal rod
T2T11050, T11090Extrusion(M30)30~30020~12020~120
TU2T10150, T10180, T10200, T1220016~30016~120


Oxygen-free Copper Bar Production Process

The conventional production process:

Oxygen-free Copper Bar Production Process
  • 01
    Cathode copper
  • 02
    Melting
  • 03
    Upper lead rod
  • 04
    Extrusion
  • 05
    Drawing
  • 06
    Saw cutting
  • 07
    Straightening
  • 08
    Finished product inspection
  • 09
    Storage

Oxygen-free Copper Bar Executive Standard


Product performance standards: GB/T 4423-2007

Oxygen-free Copper Bar Production Equipments

  • 100t Hydraulic Drawing Machinen
    100t Hydraulic Drawing Machinen
  • DL Inverted Wire Drawing Machine
    DL Inverted Wire Drawing Machine
  • Mfcce 550 Extruder
    Mfcce 550 Extruder
  • SYDG15000 Upper Induction Furnace
    SYDG15000 Upper Induction Furnace
  • Plastic Cold Rolling Mill
    Plastic Cold Rolling Mill
  • Automatic Wire Take Up Machine
    Automatic Wire Take Up Machine
  • Feeding Automatic Feeding System
    Feeding Automatic Feeding System
  • Annealing Furnace
    Annealing Furnace
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