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SAE-AISI D3 Steel vs. C71640 Copper-nickel

SAE-AISI D3 steel belongs to the iron alloys classification, while C71640 copper-nickel belongs to the copper alloys. There are 24 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 SAE-AISI D3 steel and the bottom bar is C71640 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 74
52
Tensile Strength: Ultimate (UTS), MPa 770 to 2050
490 to 630
Tensile Strength: Yield (Proof), MPa 480 to 1550
190 to 460

Thermal Properties

Latent Heat of Fusion, J/g 270
240
Melting Completion (Liquidus), °C 1430
1180
Melting Onset (Solidus), °C 1390
1120
Specific Heat Capacity, J/kg-K 480
410
Thermal Conductivity, W/m-K 31
29
Thermal Expansion, µm/m-K 12
15

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 3.0
7.0
Electrical Conductivity: Equal Weight (Specific), % IACS 3.5
7.1

Otherwise Unclassified Properties

Base Metal Price, % relative 8.0
40
Density, g/cm3 7.7
8.9
Embodied Carbon, kg CO2/kg material 3.2
5.0
Embodied Energy, MJ/kg 48
73
Embodied Water, L/kg 100
280

Common Calculations

Stiffness to Weight: Axial, points 14
8.7
Stiffness to Weight: Bending, points 25
20
Strength to Weight: Axial, points 28 to 74
15 to 20
Strength to Weight: Bending, points 24 to 47
16 to 18
Thermal Diffusivity, mm2/s 8.3
8.2
Thermal Shock Resistance, points 23 to 63
16 to 21

Alloy Composition

Carbon (C), % 2.0 to 2.4
0
Chromium (Cr), % 11 to 13.5
0
Copper (Cu), % 0 to 0.25
61.7 to 67.8
Iron (Fe), % 80.3 to 87
1.7 to 2.3
Lead (Pb), % 0
0 to 0.050
Manganese (Mn), % 0 to 0.6
1.5 to 2.5
Nickel (Ni), % 0 to 0.3
29 to 32
Phosphorus (P), % 0 to 0.030
0
Silicon (Si), % 0 to 0.6
0
Sulfur (S), % 0 to 0.030
0
Tungsten (W), % 0 to 1.0
0
Vanadium (V), % 0 to 1.0
0
Zinc (Zn), % 0
0 to 1.0
Residuals, % 0
0 to 0.5