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SAE-AISI D7 Steel vs. CC381H Copper-nickel

SAE-AISI D7 steel belongs to the iron alloys classification, while CC381H copper-nickel belongs to the copper 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 SAE-AISI D7 steel and the bottom bar is CC381H copper-nickel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
140
Poisson's Ratio 0.28
0.33
Shear Modulus, GPa 73
52
Tensile Strength: Ultimate (UTS), MPa 800 to 2120
380

Thermal Properties

Latent Heat of Fusion, J/g 270
240
Melting Completion (Liquidus), °C 1440
1180
Melting Onset (Solidus), °C 1400
1120
Specific Heat Capacity, J/kg-K 480
410
Thermal Conductivity, W/m-K 27
30
Thermal Expansion, µm/m-K 11
16

Otherwise Unclassified Properties

Base Metal Price, % relative 10
40
Density, g/cm3 7.6
8.9
Embodied Carbon, kg CO2/kg material 11
5.0
Embodied Energy, MJ/kg 180
73
Embodied Water, L/kg 130
280

Common Calculations

Stiffness to Weight: Axial, points 14
8.6
Stiffness to Weight: Bending, points 25
19
Strength to Weight: Axial, points 29 to 78
12
Strength to Weight: Bending, points 25 to 48
13
Thermal Diffusivity, mm2/s 7.4
8.4
Thermal Shock Resistance, points 27 to 72
13

Alloy Composition

Aluminum (Al), % 0
0 to 0.010
Carbon (C), % 2.2 to 2.5
0 to 0.030
Chromium (Cr), % 11.5 to 13.5
0
Copper (Cu), % 0 to 0.25
64.5 to 69.9
Iron (Fe), % 76.6 to 81.9
0.5 to 1.5
Lead (Pb), % 0
0 to 0.030
Manganese (Mn), % 0 to 0.6
0.6 to 1.2
Molybdenum (Mo), % 0.7 to 1.2
0
Nickel (Ni), % 0 to 0.3
29 to 31
Phosphorus (P), % 0 to 0.030
0 to 0.010
Silicon (Si), % 0 to 0.6
0 to 0.1
Sulfur (S), % 0 to 0.030
0 to 0.010
Vanadium (V), % 3.8 to 4.4
0
Zinc (Zn), % 0
0 to 0.5