Ningbo Jintian Copper (Group) Co., Ltd.
Ningbo Jintian Copper (Group) Co., Ltd.
Copper

C12000 Copper

Copper

Grade Name

  • UNS Number: C12000

  • Common Name: Phosphorus-Deoxidized Copper (DLP – Low Residual Phosphorus)


Product Features

  • High electrical conductivity.

  • Excellent thermal conductivity.

  • Superior corrosion resistance.

  • Good formability and weldability.

  • Low residual phosphorus content for reduced embrittlement.


Common Product Forms & Dimensions

Form

Thickness (mm)

Width (mm)

Length (mm)

Diameter (mm)

Sheet/Strip

0.5 – 10

100 – 600

Custom

-

Rod/Bar

-

-

Custom

5 – 50

Wire

-

-

Custom

0.5 – 10

Tube

1 – 20 (wall)

-

Custom

10 – 200 (OD)


Chemical Composition

Element

Cu

P

Pb

Fe

Zn

Others

Weight %

≥ 99.9

0.004–0.012

≤ 0.005

≤ 0.005

≤ 0.005

≤ 0.1


Physical Properties

Property

Value

Density (g/cm³)

8.94

Melting Point (°C)

1083

Electrical Conductivity (%IACS)

98 – 100

Thermal Conductivity (W/m·K)

391 (at 20°C)


Mechanical Properties

Condition

Tensile Strength (MPa)

Yield Strength (MPa)

Elongation (%)

Hardness (HV)

Annealed

200 – 250

50 – 80

45 – 55

40 – 60

Hard

300 – 350

250 – 300

10 – 20

80 – 100


Core Advantages

  • Ideal for high-conductivity applications.

  • Minimal impurities ensure stable performance.

  • Versatile for both industrial and electronic uses.

  • Compatible with various fabrication methods.


Product Applications

  • Electrical connectors and terminals.

  • Heat exchangers and cooling systems.

  • Busbars and power transmission components.

  • Plumbing fittings and HVAC systems.

  • Semiconductor lead frames.


Processing Considerations

  • Forming: Requires annealing for cold-worked products.

  • Welding: Use TIG or resistance welding; avoid overheating.

  • Machining: Low tool wear due to softness; use sharp tools.

  • Cleaning: Remove oxides with non-abrasive agents.


Key Application Scenarios

  • Power distribution systems.

  • Renewable energy infrastructure (solar/wind).

  • Automotive electrical systems.

  • Telecommunications hardware.


FAQs

Q1: Can C12000 be used in marine environments?

A: Yes, due to its corrosion resistance, but regular maintenance is advised.


Q2: How does phosphorus content affect performance?

A: Low phosphorus minimizes brittleness while maintaining conductivity.


Q3: Is C12000 suitable for brazing?

A: Yes, but ensure proper flux and temperature control.


Standard References

Standard

Description

ASTM B152

Standard specification for copper sheet/strip.

EN 13601

Copper rod for electrical purposes.

ISO 1337

Wrought copper alloys for electrical applications.


Note: Specifications may vary slightly based on manufacturer and processing methods. Always consult technical datasheets for critical applications.


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