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ACI-ASTM CK20 Steel vs. C16200 Copper

ACI-ASTM CK20 steel belongs to the iron alloys classification, while C16200 copper belongs to the copper alloys. There are 29 material properties with values for both materials. Properties with values for just one material (4, in this case) are not shown.

For each property being compared, the top bar is ACI-ASTM CK20 steel and the bottom bar is C16200 copper.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
120
Elongation at Break, % 37
2.0 to 56
Fatigue Strength, MPa 220
100 to 210
Poisson's Ratio 0.28
0.34
Shear Modulus, GPa 78
43
Tensile Strength: Ultimate (UTS), MPa 530
240 to 550
Tensile Strength: Yield (Proof), MPa 260
48 to 470

Thermal Properties

Latent Heat of Fusion, J/g 310
210
Maximum Temperature: Mechanical, °C 1100
370
Melting Completion (Liquidus), °C 1400
1080
Melting Onset (Solidus), °C 1430
1030
Specific Heat Capacity, J/kg-K 480
380
Thermal Conductivity, W/m-K 14
360
Thermal Expansion, µm/m-K 15
17

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.0
90
Electrical Conductivity: Equal Weight (Specific), % IACS 2.3
90

Otherwise Unclassified Properties

Base Metal Price, % relative 25
30
Density, g/cm3 7.8
9.0
Embodied Carbon, kg CO2/kg material 4.4
2.6
Embodied Energy, MJ/kg 62
41
Embodied Water, L/kg 190
310

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 160
10 to 99
Resilience: Unit (Modulus of Resilience), kJ/m3 170
10 to 970
Stiffness to Weight: Axial, points 14
7.2
Stiffness to Weight: Bending, points 25
18
Strength to Weight: Axial, points 19
7.4 to 17
Strength to Weight: Bending, points 19
9.6 to 17
Thermal Diffusivity, mm2/s 3.7
100
Thermal Shock Resistance, points 13
8.7 to 20

Alloy Composition

Cadmium (Cd), % 0
0.7 to 1.2
Carbon (C), % 0 to 0.2
0
Chromium (Cr), % 23 to 27
0
Copper (Cu), % 0
98.6 to 99.3
Iron (Fe), % 46.7 to 58
0 to 0.2
Manganese (Mn), % 0 to 2.0
0
Molybdenum (Mo), % 0 to 0.5
0
Nickel (Ni), % 19 to 22
0
Phosphorus (P), % 0 to 0.040
0
Silicon (Si), % 0 to 2.0
0
Sulfur (S), % 0 to 0.040
0