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CC381H Copper-nickel vs. SAE-AISI A9 Steel

CC381H copper-nickel belongs to the copper alloys classification, while SAE-AISI A9 steel belongs to the iron alloys. There are 23 material properties with values for both materials. Properties with values for just one material (7, 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 A9 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
74
Tensile Strength: Ultimate (UTS), MPa 380
770 to 2030

Thermal Properties

Latent Heat of Fusion, J/g 240
280
Melting Completion (Liquidus), °C 1180
1460
Melting Onset (Solidus), °C 1120
1410
Specific Heat Capacity, J/kg-K 410
470
Thermal Conductivity, W/m-K 30
35
Thermal Expansion, µm/m-K 16
12

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 6.8
7.9
Electrical Conductivity: Equal Weight (Specific), % IACS 6.9
9.2

Otherwise Unclassified Properties

Base Metal Price, % relative 40
7.0
Density, g/cm3 8.9
7.8
Embodied Carbon, kg CO2/kg material 5.0
4.7
Embodied Energy, MJ/kg 73
70
Embodied Water, L/kg 280
82

Common Calculations

Stiffness to Weight: Axial, points 8.6
14
Stiffness to Weight: Bending, points 19
25
Strength to Weight: Axial, points 12
28 to 73
Strength to Weight: Bending, points 13
24 to 46
Thermal Diffusivity, mm2/s 8.4
9.6
Thermal Shock Resistance, points 13
25 to 66

Alloy Composition

Aluminum (Al), % 0 to 0.010
0
Carbon (C), % 0 to 0.030
0.45 to 0.55
Chromium (Cr), % 0
4.8 to 5.5
Copper (Cu), % 64.5 to 69.9
0 to 0.25
Iron (Fe), % 0.5 to 1.5
87 to 90.5
Lead (Pb), % 0 to 0.030
0
Manganese (Mn), % 0.6 to 1.2
0 to 0.5
Molybdenum (Mo), % 0
1.3 to 1.8
Nickel (Ni), % 29 to 31
1.3 to 1.8
Phosphorus (P), % 0 to 0.010
0 to 0.030
Silicon (Si), % 0 to 0.1
1.0 to 1.2
Sulfur (S), % 0 to 0.010
0 to 0.030
Vanadium (V), % 0
0.8 to 1.4
Zinc (Zn), % 0 to 0.5
0