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C17300 Copper vs. ACI-ASTM CK20 Steel

C17300 copper belongs to the copper alloys classification, while ACI-ASTM CK20 steel belongs to the iron alloys. There are 27 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 C17300 copper and the bottom bar is ACI-ASTM CK20 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 120
200
Elongation at Break, % 3.0 to 23
37
Poisson's Ratio 0.33
0.28
Shear Modulus, GPa 45
78
Tensile Strength: Ultimate (UTS), MPa 500 to 1380
530
Tensile Strength: Yield (Proof), MPa 160 to 1200
260

Thermal Properties

Latent Heat of Fusion, J/g 230
310
Maximum Temperature: Mechanical, °C 270
1100
Melting Completion (Liquidus), °C 980
1400
Melting Onset (Solidus), °C 870
1430
Specific Heat Capacity, J/kg-K 380
480
Thermal Conductivity, W/m-K 110
14
Thermal Expansion, µm/m-K 17
15

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 22
2.0
Electrical Conductivity: Equal Weight (Specific), % IACS 23
2.3

Otherwise Unclassified Properties

Density, g/cm3 8.8
7.8
Embodied Carbon, kg CO2/kg material 9.4
4.4
Embodied Energy, MJ/kg 150
62
Embodied Water, L/kg 310
190

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 40 to 88
160
Resilience: Unit (Modulus of Resilience), kJ/m3 110 to 5410
170
Stiffness to Weight: Axial, points 7.6
14
Stiffness to Weight: Bending, points 19
25
Strength to Weight: Axial, points 16 to 44
19
Strength to Weight: Bending, points 16 to 31
19
Thermal Diffusivity, mm2/s 32
3.7
Thermal Shock Resistance, points 17 to 48
13

Alloy Composition

Aluminum (Al), % 0 to 0.2
0
Beryllium (Be), % 1.8 to 2.0
0
Carbon (C), % 0
0 to 0.2
Chromium (Cr), % 0
23 to 27
Copper (Cu), % 95.5 to 97.8
0
Iron (Fe), % 0 to 0.4
46.7 to 58
Lead (Pb), % 0.2 to 0.6
0
Manganese (Mn), % 0
0 to 2.0
Molybdenum (Mo), % 0
0 to 0.5
Nickel (Ni), % 0.2 to 0.6
19 to 22
Phosphorus (P), % 0
0 to 0.040
Silicon (Si), % 0 to 0.2
0 to 2.0
Sulfur (S), % 0
0 to 0.040
Residuals, % 0 to 0.5
0