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CC381H Copper-nickel vs. SAE-AISI O2 Steel

CC381H copper-nickel belongs to the copper alloys classification, while SAE-AISI O2 steel belongs to the iron alloys. There are 23 material properties with values for both materials. Properties with values for just one material (6, in this case) are not shown.

For each property being compared, the top bar is CC381H copper-nickel and the bottom bar is SAE-AISI O2 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 140
190
Poisson's Ratio 0.33
0.29
Shear Modulus, GPa 52
72
Tensile Strength: Ultimate (UTS), MPa 380
640 to 2050

Thermal Properties

Latent Heat of Fusion, J/g 240
250
Melting Completion (Liquidus), °C 1180
1450
Melting Onset (Solidus), °C 1120
1410
Specific Heat Capacity, J/kg-K 410
470
Thermal Conductivity, W/m-K 30
43
Thermal Expansion, µm/m-K 16
11

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 6.8
7.4
Electrical Conductivity: Equal Weight (Specific), % IACS 6.9
8.6

Otherwise Unclassified Properties

Base Metal Price, % relative 40
2.4
Density, g/cm3 8.9
7.8
Embodied Carbon, kg CO2/kg material 5.0
1.8
Embodied Energy, MJ/kg 73
26
Embodied Water, L/kg 280
50

Common Calculations

Stiffness to Weight: Axial, points 8.6
13
Stiffness to Weight: Bending, points 19
24
Strength to Weight: Axial, points 12
23 to 73
Strength to Weight: Bending, points 13
21 to 46
Thermal Diffusivity, mm2/s 8.4
12
Thermal Shock Resistance, points 13
22 to 70

Alloy Composition

Aluminum (Al), % 0 to 0.010
0
Carbon (C), % 0 to 0.030
0.85 to 1.0
Chromium (Cr), % 0
0 to 0.5
Copper (Cu), % 64.5 to 69.9
0 to 0.25
Iron (Fe), % 0.5 to 1.5
95 to 97.8
Lead (Pb), % 0 to 0.030
0
Manganese (Mn), % 0.6 to 1.2
1.4 to 1.8
Molybdenum (Mo), % 0
0 to 0.3
Nickel (Ni), % 29 to 31
0 to 0.3
Phosphorus (P), % 0 to 0.010
0 to 0.030
Silicon (Si), % 0 to 0.1
0 to 0.5
Sulfur (S), % 0 to 0.010
0 to 0.030
Vanadium (V), % 0
0 to 0.3
Zinc (Zn), % 0 to 0.5
0