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ACI-ASTM CK20 Steel vs. CR016A Copper

ACI-ASTM CK20 steel belongs to the iron alloys classification, while CR016A copper belongs to the copper alloys. There are 28 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 CR016A copper.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
120
Elongation at Break, % 37
15
Poisson's Ratio 0.28
0.34
Shear Modulus, GPa 78
43
Tensile Strength: Ultimate (UTS), MPa 530
230
Tensile Strength: Yield (Proof), MPa 260
140

Thermal Properties

Latent Heat of Fusion, J/g 310
210
Maximum Temperature: Mechanical, °C 1100
200
Melting Completion (Liquidus), °C 1400
1090
Melting Onset (Solidus), °C 1430
1040
Specific Heat Capacity, J/kg-K 480
390
Thermal Conductivity, W/m-K 14
390
Thermal Expansion, µm/m-K 15
17

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.0
98
Electrical Conductivity: Equal Weight (Specific), % IACS 2.3
99

Otherwise Unclassified Properties

Base Metal Price, % relative 25
35
Density, g/cm3 7.8
9.0
Embodied Carbon, kg CO2/kg material 4.4
2.7
Embodied Energy, MJ/kg 62
42
Embodied Water, L/kg 190
390

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 160
31
Resilience: Unit (Modulus of Resilience), kJ/m3 170
83
Stiffness to Weight: Axial, points 14
7.2
Stiffness to Weight: Bending, points 25
18
Strength to Weight: Axial, points 19
7.1
Strength to Weight: Bending, points 19
9.3
Thermal Diffusivity, mm2/s 3.7
110
Thermal Shock Resistance, points 13
8.1

Alloy Composition

Bismuth (Bi), % 0
0 to 0.00050
Carbon (C), % 0 to 0.2
0
Chromium (Cr), % 23 to 27
0
Copper (Cu), % 0
99.843 to 99.919
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
0.0010 to 0.0070
Silicon (Si), % 0 to 2.0
0
Silver (Ag), % 0
0.080 to 0.12
Sulfur (S), % 0 to 0.040
0