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SAE-AISI 8660 Steel vs. C14180 Copper

SAE-AISI 8660 steel belongs to the iron alloys classification, while C14180 copper belongs to the copper alloys. There are 26 material properties with values for both materials. Properties with values for just one material (6, in this case) are not shown.

For each property being compared, the top bar is SAE-AISI 8660 steel and the bottom bar is C14180 copper.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
120
Elongation at Break, % 12
15
Poisson's Ratio 0.29
0.34
Shear Modulus, GPa 73
43
Tensile Strength: Ultimate (UTS), MPa 660
210
Tensile Strength: Yield (Proof), MPa 550
130

Thermal Properties

Latent Heat of Fusion, J/g 250
210
Maximum Temperature: Mechanical, °C 410
200
Melting Completion (Liquidus), °C 1450
1080
Melting Onset (Solidus), °C 1410
1080
Specific Heat Capacity, J/kg-K 470
390
Thermal Conductivity, W/m-K 39
370
Thermal Expansion, µm/m-K 13
17

Otherwise Unclassified Properties

Base Metal Price, % relative 2.6
31
Density, g/cm3 7.8
9.0
Embodied Carbon, kg CO2/kg material 1.5
2.6
Embodied Energy, MJ/kg 20
41
Embodied Water, L/kg 50
310

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 73
28
Resilience: Unit (Modulus of Resilience), kJ/m3 800
69
Stiffness to Weight: Axial, points 13
7.2
Stiffness to Weight: Bending, points 24
18
Strength to Weight: Axial, points 23
6.5
Strength to Weight: Bending, points 21
8.8
Thermal Diffusivity, mm2/s 10
110
Thermal Shock Resistance, points 19
7.4

Alloy Composition

Aluminum (Al), % 0
0 to 0.010
Carbon (C), % 0.56 to 0.64
0
Chromium (Cr), % 0.4 to 0.6
0
Copper (Cu), % 0
99.9 to 100
Iron (Fe), % 96.4 to 97.6
0
Lead (Pb), % 0
0 to 0.020
Manganese (Mn), % 0.75 to 1.0
0
Molybdenum (Mo), % 0.15 to 0.25
0
Nickel (Ni), % 0.4 to 0.7
0
Phosphorus (P), % 0 to 0.035
0 to 0.075
Silicon (Si), % 0.15 to 0.35
0
Sulfur (S), % 0 to 0.040
0