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C18700 Copper vs. SAE-AISI 1527 Steel

C18700 copper belongs to the copper alloys classification, while SAE-AISI 1527 steel belongs to the iron alloys. There are 29 material properties with values for both materials. Properties with values for just one material (3, in this case) are not shown.

For each property being compared, the top bar is C18700 copper and the bottom bar is SAE-AISI 1527 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
190
Elongation at Break, % 9.0 to 9.6
13 to 21
Poisson's Ratio 0.34
0.29
Shear Modulus, GPa 43
73
Shear Strength, MPa 170 to 190
370 to 390
Tensile Strength: Ultimate (UTS), MPa 290 to 330
590 to 640
Tensile Strength: Yield (Proof), MPa 230 to 250
320 to 550

Thermal Properties

Latent Heat of Fusion, J/g 210
250
Maximum Temperature: Mechanical, °C 200
400
Melting Completion (Liquidus), °C 1080
1460
Melting Onset (Solidus), °C 950
1420
Specific Heat Capacity, J/kg-K 380
470
Thermal Conductivity, W/m-K 380
52
Thermal Expansion, µm/m-K 17
12

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 98
7.1
Electrical Conductivity: Equal Weight (Specific), % IACS 99
8.1

Otherwise Unclassified Properties

Base Metal Price, % relative 30
1.8
Density, g/cm3 9.0
7.8
Embodied Carbon, kg CO2/kg material 2.6
1.4
Embodied Energy, MJ/kg 41
19
Embodied Water, L/kg 310
47

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 24 to 29
82 to 100
Resilience: Unit (Modulus of Resilience), kJ/m3 240 to 280
260 to 800
Stiffness to Weight: Axial, points 7.1
13
Stiffness to Weight: Bending, points 18
24
Strength to Weight: Axial, points 9.0 to 10
21 to 23
Strength to Weight: Bending, points 11 to 12
20 to 21
Thermal Diffusivity, mm2/s 110
14
Thermal Shock Resistance, points 10 to 12
19 to 20

Alloy Composition

Carbon (C), % 0
0.22 to 0.29
Copper (Cu), % 98 to 99.2
0
Iron (Fe), % 0
98.1 to 98.6
Lead (Pb), % 0.8 to 1.5
0
Manganese (Mn), % 0
1.2 to 1.5
Phosphorus (P), % 0
0 to 0.040
Sulfur (S), % 0
0 to 0.050
Residuals, % 0 to 0.5
0