High Thermal Conductivity B10 Copper Nickel Rod CuNi10Fe1Mn | ASTM B151
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High Thermal Conductivity B10 Copper Nickel Rod CuNi10Fe1Mn | ASTM B151


Alloy: CuNi10Fe1Mn (C70600)
Standard: ASTM B151 / EN CW352H

Diameter: 6 – 130 mm
Length: 520 – 3300 mm
Dimensional Tolerance: ±0.04 mm
Thermal Conductivity: 30 – 35 W/(m·K)
Electrical Conductivity: ~4.8% IACS
Shape: Round Rod

Mill test certificate (MTC) available. Custom cut lengths on request.


  • Description

Thermal Performance of B10 Copper Nickel Rod

B10 copper nickel rod (CuNi10Fe1Mn / C70600) delivers a thermal conductivity of 
30–35 W/(m·K), approximately 60% that of pure copper. This level of thermal 
performance — combined with low thermal expansion and resistance to thermal fatigue 
— makes it a reliable choice for components subject to repeated heating and cooling cycles.


Typical applications include heat exchanger tube sheets, condenser end plates, and 
cooling system fittings in industrial and marine environments.

CuNi10 Material Properties

Properties MaterialResistivity 200c μΩ·mMax working temperature (°C)Tensile strength (Mpa)Melting point (°C)Density (g/cm3)TCR *10-6/°C (20-600°C)EMF vs Cu (μV/°C) (0-100°C)
CuNi100.1525029011008.9<50-25


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