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ACI-ASTM CN3M Steel vs. C14700 Copper

ACI-ASTM CN3M steel belongs to the iron alloys classification, while C14700 copper 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 CN3M steel and the bottom bar is C14700 copper.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
120
Elongation at Break, % 34
9.1 to 35
Poisson's Ratio 0.28
0.34
Shear Modulus, GPa 80
43
Tensile Strength: Ultimate (UTS), MPa 500
240 to 320
Tensile Strength: Yield (Proof), MPa 190
85 to 250

Thermal Properties

Latent Heat of Fusion, J/g 310
210
Maximum Temperature: Mechanical, °C 1100
200
Melting Completion (Liquidus), °C 1450
1080
Melting Onset (Solidus), °C 1400
1070
Specific Heat Capacity, J/kg-K 470
390
Thermal Conductivity, W/m-K 13
370
Thermal Expansion, µm/m-K 16
17

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.7
95
Electrical Conductivity: Equal Weight (Specific), % IACS 1.9
96

Otherwise Unclassified Properties

Base Metal Price, % relative 31
30
Density, g/cm3 8.1
8.9
Embodied Carbon, kg CO2/kg material 5.9
2.6
Embodied Energy, MJ/kg 80
41
Embodied Water, L/kg 200
310

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 130
25 to 65
Resilience: Unit (Modulus of Resilience), kJ/m3 89
31 to 280
Stiffness to Weight: Axial, points 14
7.2
Stiffness to Weight: Bending, points 24
18
Strength to Weight: Axial, points 17
7.3 to 10
Strength to Weight: Bending, points 17
9.5 to 12
Thermal Diffusivity, mm2/s 3.4
110
Thermal Shock Resistance, points 11
8.4 to 12

Alloy Composition

Carbon (C), % 0 to 0.030
0
Chromium (Cr), % 20 to 22
0
Copper (Cu), % 0
99.395 to 99.798
Iron (Fe), % 42.4 to 52.5
0
Manganese (Mn), % 0 to 2.0
0
Molybdenum (Mo), % 4.5 to 5.5
0
Nickel (Ni), % 23 to 27
0
Phosphorus (P), % 0 to 0.030
0.0020 to 0.0050
Silicon (Si), % 0 to 1.0
0
Sulfur (S), % 0 to 0.030
0.2 to 0.5
Residuals, % 0
0 to 0.1