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Ningbo Jintian Copper (Group) Co., Ltd.
Ningbo Jintian Copper (Group) Co., Ltd.
  • Bare Copper Wire (Monofilament)
  • Bare Copper Wire (Monofilament)

Bare Copper Wire (Monofilament)

The electrical round copper wire products produced by our company are widely used in industries such as transposed conductors, ultra-high voltage cables, various types of wires and cables, various types of enameled wires, network wires, electronic wires and communication wires.

Bare Copper Wire (Monofilament) Certifications
  • ISO9001
  • ISO14001
  • OSHMS

Bare Copper Wire (Monofilament) Performance Advantages


  • Bright surface without burrs

  • Superior performance and quality

  • Can meet your technical requirements for drawing fine lines, fine lines and special products

Bare Copper Wire (Monofilament) Application Fields

  • Transformer Coil
    Transformer Coil
  • Photovoltaic Cable
    Photovoltaic Cable
  • Communication Appliances
    Communication Appliances

Bare Copper Wire (Monofilament) Performance Parameter


Product propertiesInternal Control Standards
±10turnsCopper spikesNone
CrackTotal less than 3cm
Peel off

Total less than 3cm

Copper powder(mg)≤5mg≤15mg

Turns until torsion(turns)

Without any bell-shapes or cracks

≥25
Oxygen content(ppm)200-250≤400

Number of flaws detected

(L)≤1
(M)≤3
(S)≤30

Number of iron detected

(L)0
(M)0
(S)0
Elongation(%)≥40≥40
Diameter8.0±0.2mm8.0±0.4mm
Resistance≤0.01704≤0.01707
Oxide layers﹤600
AppearanceSmooth surface, no burr, no impurities or other flawsSmooth surface, no burr, no impurities or other flaws

Production condition

Blocks in the furnacenone
Cold coppernone

Stabilitu of copper water temperature

±5℃
Stability of ingot temperature±5℃
Casting condition

Without significant fluctuations in the level

OthersNormal and Stable


Bare Copper Wire (Monofilament) Production Process

The conventional production process:

Bare Copper Wire (Monofilament) Production Process
  • 01
    Raw materials
  • 02
    Melting
  • 03
    Casting
  • 04
    Surface treatment
  • 05
    Rolling
  • 06
    Acid-free cleaning
  • 07
    Liquid wax spraying
  • 08
    Wire take-up
  • 09
    Finished product inspection
  • 10
    Compacting
  • 11
    Packaging
  • 12
    Storage

Bare Copper Wire (Monofilament) Executive Standard


GB/T3953-2009, GB/T4910-2009, GB/T12970-2009, GB/T3952-2016

Bare Copper Wire (Monofilament) Production Equipments

  • American Continuous Casting And Rolling Production Line
    American Continuous Casting And Rolling Production Line
  • Stranding Machine
    Stranding Machine
  • Germany Nihofer Drawing Line
    Germany Nihofer Drawing Line
  • Monofilament Equipment
    Monofilament Equipment
  • Big Drawing Machine
    Big Drawing Machine
Start Your Partnership With JINTIAN COPPER!
Whether you have any questions about our products, please feel free to contact us, we will reply as soon as possible.