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ACI-ASTM CF20 Steel vs. C14180 Copper

ACI-ASTM CF20 steel belongs to the iron alloys classification, while C14180 copper belongs to the copper alloys. There are 26 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 ACI-ASTM CF20 steel and the bottom bar is C14180 copper.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
120
Elongation at Break, % 50
15
Poisson's Ratio 0.28
0.34
Shear Modulus, GPa 77
43
Tensile Strength: Ultimate (UTS), MPa 530
210
Tensile Strength: Yield (Proof), MPa 250
130

Thermal Properties

Latent Heat of Fusion, J/g 300
210
Maximum Temperature: Mechanical, °C 970
200
Melting Completion (Liquidus), °C 1420
1080
Melting Onset (Solidus), °C 1410
1080
Specific Heat Capacity, J/kg-K 480
390
Thermal Conductivity, W/m-K 16
370
Thermal Expansion, µm/m-K 17
17

Otherwise Unclassified Properties

Base Metal Price, % relative 16
31
Density, g/cm3 7.8
9.0
Embodied Carbon, kg CO2/kg material 3.1
2.6
Embodied Energy, MJ/kg 44
41
Embodied Water, L/kg 150
310

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 220
28
Resilience: Unit (Modulus of Resilience), kJ/m3 160
69
Stiffness to Weight: Axial, points 14
7.2
Stiffness to Weight: Bending, points 25
18
Strength to Weight: Axial, points 19
6.5
Strength to Weight: Bending, points 19
8.8
Thermal Diffusivity, mm2/s 4.3
110
Thermal Shock Resistance, points 11
7.4

Alloy Composition

Aluminum (Al), % 0
0 to 0.010
Carbon (C), % 0 to 0.2
0
Chromium (Cr), % 18 to 21
0
Copper (Cu), % 0
99.9 to 100
Iron (Fe), % 64.2 to 74
0
Lead (Pb), % 0
0 to 0.020
Manganese (Mn), % 0 to 1.5
0
Nickel (Ni), % 8.0 to 11
0
Phosphorus (P), % 0 to 0.040
0 to 0.075
Silicon (Si), % 0 to 2.0
0
Sulfur (S), % 0 to 0.040
0