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C81400 Copper vs. SAE-AISI 1020 Steel

C81400 copper belongs to the copper alloys classification, while SAE-AISI 1020 steel belongs to the iron 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 C81400 copper and the bottom bar is SAE-AISI 1020 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 120
190
Elongation at Break, % 11
17 to 28
Poisson's Ratio 0.34
0.29
Shear Modulus, GPa 41
73
Tensile Strength: Ultimate (UTS), MPa 370
430 to 460
Tensile Strength: Yield (Proof), MPa 250
240 to 380

Thermal Properties

Latent Heat of Fusion, J/g 210
250
Maximum Temperature: Mechanical, °C 200
400
Melting Completion (Liquidus), °C 1090
1460
Melting Onset (Solidus), °C 1070
1420
Specific Heat Capacity, J/kg-K 390
470
Thermal Conductivity, W/m-K 260
52
Thermal Expansion, µm/m-K 17
12

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 60
11
Electrical Conductivity: Equal Weight (Specific), % IACS 61
12

Otherwise Unclassified Properties

Base Metal Price, % relative 33
1.8
Density, g/cm3 8.9
7.9
Embodied Carbon, kg CO2/kg material 2.8
1.4
Embodied Energy, MJ/kg 45
18
Embodied Water, L/kg 310
45

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 36
72 to 100
Resilience: Unit (Modulus of Resilience), kJ/m3 260
150 to 380
Stiffness to Weight: Axial, points 7.3
13
Stiffness to Weight: Bending, points 18
24
Strength to Weight: Axial, points 11
15 to 16
Strength to Weight: Bending, points 13
16 to 17
Thermal Diffusivity, mm2/s 75
14
Thermal Shock Resistance, points 13
13 to 14

Alloy Composition

Beryllium (Be), % 0.020 to 0.1
0
Carbon (C), % 0
0.18 to 0.23
Chromium (Cr), % 0.6 to 1.0
0
Copper (Cu), % 98.4 to 99.38
0
Iron (Fe), % 0
99.08 to 99.52
Manganese (Mn), % 0
0.3 to 0.6
Phosphorus (P), % 0
0 to 0.040
Sulfur (S), % 0
0 to 0.050
Residuals, % 0 to 0.5
0