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SAE-AISI 5140 Steel vs. C14180 Copper

SAE-AISI 5140 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 5140 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 to 29
15
Poisson's Ratio 0.29
0.34
Shear Modulus, GPa 73
43
Tensile Strength: Ultimate (UTS), MPa 560 to 970
210
Tensile Strength: Yield (Proof), MPa 290 to 840
130

Thermal Properties

Latent Heat of Fusion, J/g 250
210
Maximum Temperature: Mechanical, °C 420
200
Melting Completion (Liquidus), °C 1460
1080
Melting Onset (Solidus), °C 1420
1080
Specific Heat Capacity, J/kg-K 470
390
Thermal Conductivity, W/m-K 45
370
Thermal Expansion, µm/m-K 13
17

Otherwise Unclassified Properties

Base Metal Price, % relative 2.1
31
Density, g/cm3 7.8
9.0
Embodied Carbon, kg CO2/kg material 1.4
2.6
Embodied Energy, MJ/kg 19
41
Embodied Water, L/kg 49
310

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 76 to 180
28
Resilience: Unit (Modulus of Resilience), kJ/m3 220 to 1880
69
Stiffness to Weight: Axial, points 13
7.2
Stiffness to Weight: Bending, points 24
18
Strength to Weight: Axial, points 20 to 34
6.5
Strength to Weight: Bending, points 19 to 28
8.8
Thermal Diffusivity, mm2/s 12
110
Thermal Shock Resistance, points 16 to 29
7.4

Alloy Composition

Aluminum (Al), % 0
0 to 0.010
Carbon (C), % 0.38 to 0.43
0
Chromium (Cr), % 0.7 to 0.9
0
Copper (Cu), % 0
99.9 to 100
Iron (Fe), % 97.3 to 98.1
0
Lead (Pb), % 0
0 to 0.020
Manganese (Mn), % 0.7 to 0.9
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