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C70400 Copper-nickel vs. ASTM B817 Type I

C70400 copper-nickel belongs to the copper alloys classification, while ASTM B817 type I belongs to the titanium alloys. There are 26 material properties with values for both materials. Properties with values for just one material (4, in this case) are not shown. Please note that the two materials have significantly dissimilar densities. This means that additional care is required when interpreting the data, because some material properties are based on units of mass, while others are based on units of area or volume.

For each property being compared, the top bar is C70400 copper-nickel and the bottom bar is ASTM B817 type I.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 120
100
Poisson's Ratio 0.34
0.32
Shear Modulus, GPa 45
40
Tensile Strength: Ultimate (UTS), MPa 300 to 310
770 to 960
Tensile Strength: Yield (Proof), MPa 95 to 230
700 to 860

Thermal Properties

Latent Heat of Fusion, J/g 210
410
Maximum Temperature: Mechanical, °C 210
340
Melting Completion (Liquidus), °C 1120
1600
Melting Onset (Solidus), °C 1060
1550
Specific Heat Capacity, J/kg-K 390
560
Thermal Conductivity, W/m-K 64
7.1
Thermal Expansion, µm/m-K 17
9.6

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 14
1.0
Electrical Conductivity: Equal Weight (Specific), % IACS 14
2.0

Otherwise Unclassified Properties

Base Metal Price, % relative 32
36
Density, g/cm3 8.9
4.4
Embodied Carbon, kg CO2/kg material 3.0
38
Embodied Energy, MJ/kg 47
610
Embodied Water, L/kg 300
200

Common Calculations

Resilience: Unit (Modulus of Resilience), kJ/m3 38 to 220
2310 to 3540
Stiffness to Weight: Axial, points 7.5
13
Stiffness to Weight: Bending, points 19
35
Strength to Weight: Axial, points 9.3 to 9.8
48 to 60
Strength to Weight: Bending, points 11 to 12
42 to 49
Thermal Diffusivity, mm2/s 18
2.9
Thermal Shock Resistance, points 10 to 11
54 to 68

Alloy Composition

Aluminum (Al), % 0
5.5 to 6.8
Carbon (C), % 0
0 to 0.1
Chlorine (Cl), % 0
0 to 0.2
Copper (Cu), % 89.8 to 93.6
0
Hydrogen (H), % 0
0 to 0.015
Iron (Fe), % 1.3 to 1.7
0 to 0.4
Lead (Pb), % 0 to 0.050
0
Manganese (Mn), % 0.3 to 0.8
0
Nickel (Ni), % 4.8 to 6.2
0
Nitrogen (N), % 0
0 to 0.040
Oxygen (O), % 0
0 to 0.3
Silicon (Si), % 0
0 to 0.1
Sodium (Na), % 0
0 to 0.2
Titanium (Ti), % 0
87 to 91
Vanadium (V), % 0
3.5 to 4.5
Zinc (Zn), % 0 to 1.0
0
Residuals, % 0
0 to 0.4