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C99500 Copper vs. ACI-ASTM CF20 Steel

C99500 copper belongs to the copper alloys classification, while ACI-ASTM CF20 steel belongs to the iron alloys. There are 26 material properties with values for both materials. Properties with values for just one material (6, in this case) are not shown.

For each property being compared, the top bar is C99500 copper and the bottom bar is ACI-ASTM CF20 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 120
200
Elongation at Break, % 13
50
Poisson's Ratio 0.34
0.28
Shear Modulus, GPa 45
77
Tensile Strength: Ultimate (UTS), MPa 540
530
Tensile Strength: Yield (Proof), MPa 310
250

Thermal Properties

Latent Heat of Fusion, J/g 240
300
Maximum Temperature: Mechanical, °C 210
970
Melting Completion (Liquidus), °C 1090
1420
Melting Onset (Solidus), °C 1040
1410
Specific Heat Capacity, J/kg-K 400
480
Thermal Expansion, µm/m-K 17
17

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 10
2.0
Electrical Conductivity: Equal Weight (Specific), % IACS 10
2.3

Otherwise Unclassified Properties

Base Metal Price, % relative 30
16
Density, g/cm3 8.7
7.8
Embodied Carbon, kg CO2/kg material 3.0
3.1
Embodied Energy, MJ/kg 47
44
Embodied Water, L/kg 300
150

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 63
220
Resilience: Unit (Modulus of Resilience), kJ/m3 410
160
Stiffness to Weight: Axial, points 7.7
14
Stiffness to Weight: Bending, points 19
25
Strength to Weight: Axial, points 17
19
Strength to Weight: Bending, points 17
19
Thermal Shock Resistance, points 19
11

Alloy Composition

Aluminum (Al), % 0.5 to 2.0
0
Carbon (C), % 0
0 to 0.2
Chromium (Cr), % 0
18 to 21
Copper (Cu), % 82.5 to 92
0
Iron (Fe), % 3.0 to 5.0
64.2 to 74
Lead (Pb), % 0 to 0.25
0
Manganese (Mn), % 0 to 0.5
0 to 1.5
Nickel (Ni), % 3.5 to 5.5
8.0 to 11
Phosphorus (P), % 0
0 to 0.040
Silicon (Si), % 0.5 to 2.0
0 to 2.0
Sulfur (S), % 0
0 to 0.040
Zinc (Zn), % 0.5 to 2.0
0
Residuals, % 0 to 0.3
0