PROPRIETARY NK103 CuNiSiCrZr Copper Alloys
Material group:
Nonferrous Alloys / Copper Alloys
Country / Standard:
PROPRIETARY
Data updates
Latest Update: 2025-11
Total number of updates: 1
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This material has 19 properties — only a subset is shown here.
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PROPRIETARY NK103 CuNiSiCrZr Chemical Composition
CRITERIA
VALUE
UNIT
CAS NUMBER
CRITERIA
Cr
VALUE
0.05 – 0.15
UNIT
%
CAS NUMBER
7440-47-3
CRITERIA
Ni
VALUE
1.6 – 2.5
UNIT
%
CAS NUMBER
7440-02-0
CRITERIA
Si
VALUE
0.5 – 0.8
UNIT
%
CAS NUMBER
7440-21-3
CRITERIA
Zr
VALUE
val1
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UNIT
%
CAS NUMBER
7440-67-7
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PROPRIETARY NK103 CuNiSiCrZr Physical Properties
Temperature
Modulus of Elasticity
100 — 150
GPa
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Electrical Resistivity
0.033 — 0.044
Ω∙mm²/m
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Density
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Heat Capacity
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Melting Temperature
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Thermal Conductivity
220
W/(m∙°C)
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Electrical Conductivity
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Coefficient of Thermal Expansion (CTE)
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PROPRIETARY NK103 CuNiSiCrZr Heat Treatments
- Solution annealing followed by rapid quenching to water bath, optional cold working, aging at 400 - 500°C and possible machining to final dimensions.
PROPRIETARY NK103 CuNiSiCrZr Mechanical Properties
Temperature
Tensile Strength
590 — 750
MPa
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Elongation, A
≥ 5
%
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Vickers Hardness (HV)
val1
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Yield Strength, Rp0.2
≥ 520
MPa
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- -Cross References
- 4Composition
- 4Mechanical Properties
- 9Physical Properties
- 1Heat Treatment
- -Metallography
- -Machinability
- -Stress-Strain
- -Formability
- -Fatigue
- -Fracture
- -Creep
- -Joints
- -Coatings
- -Dimensions
- -Tribology
- -Corrosion
- -Ageing
- -Weatherability
- -Irradiation
- 1Total Suppliers