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C70700 Copper-nickel vs. Grade M30H Nickel

C70700 copper-nickel belongs to the copper alloys classification, while grade M30H nickel belongs to the nickel alloys. They have 40% of their average alloy composition in common. There are 28 material properties with values for both materials. Properties with values for just one material (3, in this case) are not shown.

For each property being compared, the top bar is C70700 copper-nickel and the bottom bar is grade M30H nickel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 120
160
Elongation at Break, % 39
11
Poisson's Ratio 0.34
0.32
Shear Modulus, GPa 46
61
Tensile Strength: Ultimate (UTS), MPa 320
770
Tensile Strength: Yield (Proof), MPa 110
470

Thermal Properties

Latent Heat of Fusion, J/g 220
320
Maximum Temperature: Mechanical, °C 220
900
Melting Completion (Liquidus), °C 1120
1250
Melting Onset (Solidus), °C 1060
1200
Specific Heat Capacity, J/kg-K 390
440
Thermal Conductivity, W/m-K 59
22
Thermal Expansion, µm/m-K 16
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 11
3.3
Electrical Conductivity: Equal Weight (Specific), % IACS 12
3.4

Otherwise Unclassified Properties

Base Metal Price, % relative 34
50
Density, g/cm3 8.9
8.6
Embodied Carbon, kg CO2/kg material 3.4
7.7
Embodied Energy, MJ/kg 52
110
Embodied Water, L/kg 300
250

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 100
75
Resilience: Unit (Modulus of Resilience), kJ/m3 51
700
Stiffness to Weight: Axial, points 7.6
10
Stiffness to Weight: Bending, points 19
21
Strength to Weight: Axial, points 10
25
Strength to Weight: Bending, points 12
22
Thermal Diffusivity, mm2/s 17
5.7
Thermal Shock Resistance, points 12
27

Alloy Composition

Carbon (C), % 0
0 to 0.3
Copper (Cu), % 88.5 to 90.5
27 to 33
Iron (Fe), % 0 to 0.050
0 to 3.5
Manganese (Mn), % 0 to 0.5
0 to 1.5
Nickel (Ni), % 9.5 to 10.5
57.9 to 70.3
Phosphorus (P), % 0
0 to 0.030
Silicon (Si), % 0
2.7 to 3.7
Sulfur (S), % 0
0 to 0.030
Residuals, % 0 to 0.5
0