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ACI-ASTM CE3MN Steel vs. C71640 Copper-nickel

ACI-ASTM CE3MN steel belongs to the iron alloys classification, while C71640 copper-nickel belongs to the copper alloys. There are 26 material properties with values for both materials. Properties with values for just one material (5, in this case) are not shown.

For each property being compared, the top bar is ACI-ASTM CE3MN steel and the bottom bar is C71640 copper-nickel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 210
140
Poisson's Ratio 0.27
0.33
Shear Modulus, GPa 81
52
Tensile Strength: Ultimate (UTS), MPa 770
490 to 630
Tensile Strength: Yield (Proof), MPa 590
190 to 460

Thermal Properties

Latent Heat of Fusion, J/g 300
240
Maximum Temperature: Mechanical, °C 1100
260
Melting Completion (Liquidus), °C 1450
1180
Melting Onset (Solidus), °C 1410
1120
Specific Heat Capacity, J/kg-K 470
410
Thermal Conductivity, W/m-K 15
29
Thermal Expansion, µm/m-K 13
15

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.2
7.0
Electrical Conductivity: Equal Weight (Specific), % IACS 2.5
7.1

Otherwise Unclassified Properties

Base Metal Price, % relative 21
40
Density, g/cm3 7.8
8.9
Embodied Carbon, kg CO2/kg material 4.2
5.0
Embodied Energy, MJ/kg 58
73
Embodied Water, L/kg 180
280

Common Calculations

Resilience: Unit (Modulus of Resilience), kJ/m3 840
130 to 750
Stiffness to Weight: Axial, points 15
8.7
Stiffness to Weight: Bending, points 25
20
Strength to Weight: Axial, points 27
15 to 20
Strength to Weight: Bending, points 24
16 to 18
Thermal Diffusivity, mm2/s 4.1
8.2
Thermal Shock Resistance, points 21
16 to 21

Alloy Composition

Carbon (C), % 0 to 0.030
0
Chromium (Cr), % 24 to 26
0
Copper (Cu), % 0
61.7 to 67.8
Iron (Fe), % 58.1 to 65.9
1.7 to 2.3
Lead (Pb), % 0
0 to 0.050
Manganese (Mn), % 0 to 1.5
1.5 to 2.5
Molybdenum (Mo), % 4.0 to 5.0
0
Nickel (Ni), % 6.0 to 8.0
29 to 32
Nitrogen (N), % 0.1 to 0.3
0
Phosphorus (P), % 0 to 0.040
0
Silicon (Si), % 0 to 1.0
0
Sulfur (S), % 0 to 0.040
0
Zinc (Zn), % 0
0 to 1.0
Residuals, % 0
0 to 0.5