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ACI-ASTM CE3MN Steel vs. C70700 Copper-nickel

ACI-ASTM CE3MN steel belongs to the iron alloys classification, while C70700 copper-nickel belongs to the copper alloys. There are 28 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 C70700 copper-nickel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 210
120
Elongation at Break, % 20
39
Poisson's Ratio 0.27
0.34
Shear Modulus, GPa 81
46
Tensile Strength: Ultimate (UTS), MPa 770
320
Tensile Strength: Yield (Proof), MPa 590
110

Thermal Properties

Latent Heat of Fusion, J/g 300
220
Maximum Temperature: Mechanical, °C 1100
220
Melting Completion (Liquidus), °C 1450
1120
Melting Onset (Solidus), °C 1410
1060
Specific Heat Capacity, J/kg-K 470
390
Thermal Conductivity, W/m-K 15
59
Thermal Expansion, µm/m-K 13
16

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.2
11
Electrical Conductivity: Equal Weight (Specific), % IACS 2.5
12

Otherwise Unclassified Properties

Base Metal Price, % relative 21
34
Density, g/cm3 7.8
8.9
Embodied Carbon, kg CO2/kg material 4.2
3.4
Embodied Energy, MJ/kg 58
52
Embodied Water, L/kg 180
300

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 140
100
Resilience: Unit (Modulus of Resilience), kJ/m3 840
51
Stiffness to Weight: Axial, points 15
7.6
Stiffness to Weight: Bending, points 25
19
Strength to Weight: Axial, points 27
10
Strength to Weight: Bending, points 24
12
Thermal Diffusivity, mm2/s 4.1
17
Thermal Shock Resistance, points 21
12

Alloy Composition

Carbon (C), % 0 to 0.030
0
Chromium (Cr), % 24 to 26
0
Copper (Cu), % 0
88.5 to 90.5
Iron (Fe), % 58.1 to 65.9
0 to 0.050
Manganese (Mn), % 0 to 1.5
0 to 0.5
Molybdenum (Mo), % 4.0 to 5.0
0
Nickel (Ni), % 6.0 to 8.0
9.5 to 10.5
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
Residuals, % 0
0 to 0.5