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C81400 Copper vs. ACI-ASTM CF3MN Steel

C81400 copper belongs to the copper alloys classification, while ACI-ASTM CF3MN steel belongs to the iron 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 C81400 copper and the bottom bar is ACI-ASTM CF3MN steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 120
200
Elongation at Break, % 11
39
Poisson's Ratio 0.34
0.28
Shear Modulus, GPa 41
78
Tensile Strength: Ultimate (UTS), MPa 370
580
Tensile Strength: Yield (Proof), MPa 250
290

Thermal Properties

Latent Heat of Fusion, J/g 210
300
Maximum Temperature: Mechanical, °C 200
1010
Melting Completion (Liquidus), °C 1090
1440
Melting Onset (Solidus), °C 1070
1390
Specific Heat Capacity, J/kg-K 390
480
Thermal Conductivity, W/m-K 260
15
Thermal Expansion, µm/m-K 17
16

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 60
2.1
Electrical Conductivity: Equal Weight (Specific), % IACS 61
2.4

Otherwise Unclassified Properties

Base Metal Price, % relative 33
19
Density, g/cm3 8.9
7.8
Embodied Carbon, kg CO2/kg material 2.8
3.9
Embodied Energy, MJ/kg 45
53
Embodied Water, L/kg 310
160

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 36
190
Resilience: Unit (Modulus of Resilience), kJ/m3 260
210
Stiffness to Weight: Axial, points 7.3
14
Stiffness to Weight: Bending, points 18
25
Strength to Weight: Axial, points 11
20
Strength to Weight: Bending, points 13
20
Thermal Diffusivity, mm2/s 75
4.1
Thermal Shock Resistance, points 13
13

Alloy Composition

Beryllium (Be), % 0.020 to 0.1
0
Carbon (C), % 0
0 to 0.030
Chromium (Cr), % 0.6 to 1.0
17 to 22
Copper (Cu), % 98.4 to 99.38
0
Iron (Fe), % 0
58.7 to 71.9
Manganese (Mn), % 0
0 to 1.5
Molybdenum (Mo), % 0
2.0 to 3.0
Nickel (Ni), % 0
9.0 to 13
Nitrogen (N), % 0
0.1 to 0.2
Phosphorus (P), % 0
0 to 0.040
Silicon (Si), % 0
0 to 1.5
Sulfur (S), % 0
0 to 0.040
Residuals, % 0 to 0.5
0