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SAE-AISI 1140 Steel vs. C12500 Copper

SAE-AISI 1140 steel belongs to the iron alloys classification, while C12500 copper belongs to the copper alloys. There are 29 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 1140 steel and the bottom bar is C12500 copper.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
120
Elongation at Break, % 14 to 18
1.5 to 50
Poisson's Ratio 0.29
0.34
Shear Modulus, GPa 72
43
Shear Strength, MPa 370 to 420
150 to 220
Tensile Strength: Ultimate (UTS), MPa 600 to 700
220 to 420
Tensile Strength: Yield (Proof), MPa 340 to 570
75 to 390

Thermal Properties

Latent Heat of Fusion, J/g 250
210
Maximum Temperature: Mechanical, °C 400
200
Melting Completion (Liquidus), °C 1460
1080
Melting Onset (Solidus), °C 1420
1070
Specific Heat Capacity, J/kg-K 470
390
Thermal Conductivity, W/m-K 51
350
Thermal Expansion, µm/m-K 13
17

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.0
92
Electrical Conductivity: Equal Weight (Specific), % IACS 8.1
93

Otherwise Unclassified Properties

Base Metal Price, % relative 1.8
31
Density, g/cm3 7.8
8.9
Embodied Carbon, kg CO2/kg material 1.4
2.6
Embodied Energy, MJ/kg 18
41
Embodied Water, L/kg 46
310

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 89 to 93
5.6 to 88
Resilience: Unit (Modulus of Resilience), kJ/m3 310 to 870
24 to 660
Stiffness to Weight: Axial, points 13
7.2
Stiffness to Weight: Bending, points 24
18
Strength to Weight: Axial, points 21 to 25
6.9 to 13
Strength to Weight: Bending, points 20 to 22
9.1 to 14
Thermal Diffusivity, mm2/s 14
100
Thermal Shock Resistance, points 18 to 21
7.8 to 15

Alloy Composition

Antimony (Sb), % 0
0 to 0.0030
Arsenic (As), % 0
0 to 0.012
Bismuth (Bi), % 0
0 to 0.0030
Carbon (C), % 0.37 to 0.44
0
Copper (Cu), % 0
99.88 to 100
Iron (Fe), % 98.4 to 98.9
0
Lead (Pb), % 0
0 to 0.0040
Manganese (Mn), % 0.7 to 1.0
0
Nickel (Ni), % 0
0 to 0.050
Phosphorus (P), % 0 to 0.040
0
Sulfur (S), % 0.080 to 0.13
0
Tellurium (Te), % 0
0 to 0.025
Residuals, % 0
0 to 0.3