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CC381H Copper-nickel vs. SAE-AISI T8 Steel

CC381H copper-nickel belongs to the copper alloys classification, while SAE-AISI T8 steel belongs to the iron alloys. There are 21 material properties with values for both materials. Properties with values for just one material (9, 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 T8 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 140
200
Poisson's Ratio 0.33
0.29
Shear Modulus, GPa 52
78
Tensile Strength: Ultimate (UTS), MPa 380
780 to 2140

Thermal Properties

Latent Heat of Fusion, J/g 240
250
Melting Completion (Liquidus), °C 1180
1730
Melting Onset (Solidus), °C 1120
1670
Specific Heat Capacity, J/kg-K 410
420
Thermal Conductivity, W/m-K 30
18
Thermal Expansion, µm/m-K 16
12

Otherwise Unclassified Properties

Base Metal Price, % relative 40
45
Density, g/cm3 8.9
9.0
Embodied Carbon, kg CO2/kg material 5.0
10
Embodied Energy, MJ/kg 73
160
Embodied Water, L/kg 280
120

Common Calculations

Stiffness to Weight: Axial, points 8.6
12
Stiffness to Weight: Bending, points 19
22
Strength to Weight: Axial, points 12
24 to 66
Strength to Weight: Bending, points 13
21 to 41
Thermal Diffusivity, mm2/s 8.4
4.8
Thermal Shock Resistance, points 13
24 to 66

Alloy Composition

Aluminum (Al), % 0 to 0.010
0
Carbon (C), % 0 to 0.030
0.75 to 0.85
Chromium (Cr), % 0
3.8 to 4.5
Cobalt (Co), % 0
4.3 to 5.8
Copper (Cu), % 64.5 to 69.9
0 to 0.25
Iron (Fe), % 0.5 to 1.5
69.3 to 75.4
Lead (Pb), % 0 to 0.030
0
Manganese (Mn), % 0.6 to 1.2
0.2 to 0.4
Molybdenum (Mo), % 0
0.4 to 1.0
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
0.2 to 0.4
Sulfur (S), % 0 to 0.010
0 to 0.030
Tungsten (W), % 0
13.3 to 14.8
Vanadium (V), % 0
1.8 to 2.4
Zinc (Zn), % 0 to 0.5
0