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ACI-ASTM CK20 Steel vs. C12600 Copper

ACI-ASTM CK20 steel belongs to the iron alloys classification, while C12600 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 CK20 steel and the bottom bar is C12600 copper.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
120
Elongation at Break, % 37
56
Poisson's Ratio 0.28
0.34
Shear Modulus, GPa 78
56
Tensile Strength: Ultimate (UTS), MPa 530
270
Tensile Strength: Yield (Proof), MPa 260
69

Thermal Properties

Latent Heat of Fusion, J/g 310
210
Maximum Temperature: Mechanical, °C 1100
200
Melting Completion (Liquidus), °C 1400
1080
Melting Onset (Solidus), °C 1430
1030
Specific Heat Capacity, J/kg-K 480
390
Thermal Conductivity, W/m-K 14
130
Thermal Expansion, µm/m-K 15
17

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.0
29
Electrical Conductivity: Equal Weight (Specific), % IACS 2.3
29

Otherwise Unclassified Properties

Base Metal Price, % relative 25
30
Density, g/cm3 7.8
8.9
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
110
Resilience: Unit (Modulus of Resilience), kJ/m3 170
21
Stiffness to Weight: Axial, points 14
7.2
Stiffness to Weight: Bending, points 25
18
Strength to Weight: Axial, points 19
8.2
Strength to Weight: Bending, points 19
10
Thermal Diffusivity, mm2/s 3.7
39
Thermal Shock Resistance, points 13
9.5

Alloy Composition

Carbon (C), % 0 to 0.2
0
Chromium (Cr), % 23 to 27
0
Copper (Cu), % 0
99.5 to 99.8
Iron (Fe), % 46.7 to 58
0
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
0.2 to 0.4
Silicon (Si), % 0 to 2.0
0
Sulfur (S), % 0 to 0.040
0