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C70700 Copper-nickel vs. SAE-AISI 1008 Steel

C70700 copper-nickel belongs to the copper alloys classification, while SAE-AISI 1008 steel belongs to the iron alloys. There are 30 material properties with values for both materials. Properties with values for just one material (2, in this case) are not shown.

For each property being compared, the top bar is C70700 copper-nickel and the bottom bar is SAE-AISI 1008 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 73
93 to 100
Elastic (Young's, Tensile) Modulus, GPa 120
190
Elongation at Break, % 39
22 to 33
Poisson's Ratio 0.34
0.29
Shear Modulus, GPa 46
73
Shear Strength, MPa 220
220 to 230
Tensile Strength: Ultimate (UTS), MPa 320
330 to 370
Tensile Strength: Yield (Proof), MPa 110
190 to 310

Thermal Properties

Latent Heat of Fusion, J/g 220
250
Maximum Temperature: Mechanical, °C 220
400
Melting Completion (Liquidus), °C 1120
1470
Melting Onset (Solidus), °C 1060
1430
Specific Heat Capacity, J/kg-K 390
470
Thermal Conductivity, W/m-K 59
62
Thermal Expansion, µm/m-K 16
12

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 11
6.9
Electrical Conductivity: Equal Weight (Specific), % IACS 12
7.9

Otherwise Unclassified Properties

Base Metal Price, % relative 34
1.8
Density, g/cm3 8.9
7.9
Embodied Carbon, kg CO2/kg material 3.4
1.4
Embodied Energy, MJ/kg 52
18
Embodied Water, L/kg 300
45

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 100
78 to 91
Resilience: Unit (Modulus of Resilience), kJ/m3 51
92 to 260
Stiffness to Weight: Axial, points 7.6
13
Stiffness to Weight: Bending, points 19
24
Strength to Weight: Axial, points 10
12 to 13
Strength to Weight: Bending, points 12
13 to 15
Thermal Diffusivity, mm2/s 17
17
Thermal Shock Resistance, points 12
10 to 12

Alloy Composition

Carbon (C), % 0
0 to 0.1
Copper (Cu), % 88.5 to 90.5
0
Iron (Fe), % 0 to 0.050
99.31 to 99.7
Manganese (Mn), % 0 to 0.5
0.3 to 0.5
Nickel (Ni), % 9.5 to 10.5
0
Phosphorus (P), % 0
0 to 0.040
Sulfur (S), % 0
0 to 0.050
Residuals, % 0 to 0.5
0