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SAE-AISI 8645 Steel vs. C14510 Copper

SAE-AISI 8645 steel belongs to the iron alloys classification, while C14510 copper belongs to the copper alloys. There are 27 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 SAE-AISI 8645 steel and the bottom bar is C14510 copper.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
120
Elongation at Break, % 12 to 23
9.1 to 9.6
Poisson's Ratio 0.29
0.34
Shear Modulus, GPa 73
43
Shear Strength, MPa 380 to 400
180 to 190
Tensile Strength: Ultimate (UTS), MPa 600 to 670
300 to 320
Tensile Strength: Yield (Proof), MPa 390 to 560
230 to 250

Thermal Properties

Latent Heat of Fusion, J/g 250
210
Maximum Temperature: Mechanical, °C 410
200
Melting Completion (Liquidus), °C 1460
1080
Melting Onset (Solidus), °C 1420
1050
Specific Heat Capacity, J/kg-K 470
390
Thermal Conductivity, W/m-K 39
360
Thermal Expansion, µm/m-K 13
17

Otherwise Unclassified Properties

Base Metal Price, % relative 2.6
33
Density, g/cm3 7.8
8.9
Embodied Carbon, kg CO2/kg material 1.5
2.6
Embodied Energy, MJ/kg 20
42
Embodied Water, L/kg 50
310

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 77 to 120
25 to 29
Resilience: Unit (Modulus of Resilience), kJ/m3 420 to 840
230 to 280
Stiffness to Weight: Axial, points 13
7.2
Stiffness to Weight: Bending, points 24
18
Strength to Weight: Axial, points 21 to 24
9.2 to 10
Strength to Weight: Bending, points 20 to 22
11 to 12
Thermal Diffusivity, mm2/s 10
100
Thermal Shock Resistance, points 18 to 20
11 to 12

Alloy Composition

Carbon (C), % 0.43 to 0.48
0
Chromium (Cr), % 0.4 to 0.6
0
Copper (Cu), % 0
99.15 to 99.69
Iron (Fe), % 96.5 to 97.7
0
Lead (Pb), % 0
0 to 0.050
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
0.010 to 0.030
Silicon (Si), % 0.15 to 0.35
0
Sulfur (S), % 0 to 0.040
0
Tellurium (Te), % 0
0.3 to 0.7