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SAE-AISI 1090 Steel vs. C14181 Copper

SAE-AISI 1090 steel belongs to the iron alloys classification, while C14181 copper belongs to the copper alloys. There are 26 material properties with values for both materials. Properties with values for just one material (7, in this case) are not shown.

For each property being compared, the top bar is SAE-AISI 1090 steel and the bottom bar is C14181 copper.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
120
Elongation at Break, % 11
15
Poisson's Ratio 0.29
0.34
Shear Modulus, GPa 72
43
Tensile Strength: Ultimate (UTS), MPa 790 to 950
210
Tensile Strength: Yield (Proof), MPa 520 to 610
130

Thermal Properties

Latent Heat of Fusion, J/g 240
210
Maximum Temperature: Mechanical, °C 400
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 50
380
Thermal Expansion, µm/m-K 12
17

Otherwise Unclassified Properties

Base Metal Price, % relative 1.8
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 46
310

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 82 to 91
28
Resilience: Unit (Modulus of Resilience), kJ/m3 730 to 1000
69
Stiffness to Weight: Axial, points 13
7.2
Stiffness to Weight: Bending, points 24
18
Strength to Weight: Axial, points 28 to 34
6.5
Strength to Weight: Bending, points 24 to 27
8.8
Thermal Diffusivity, mm2/s 13
110
Thermal Shock Resistance, points 25 to 31
7.4

Alloy Composition

Cadmium (Cd), % 0
0 to 0.0020
Carbon (C), % 0.85 to 1.0
0 to 0.0050
Copper (Cu), % 0
99.9 to 100
Iron (Fe), % 98 to 98.6
0
Lead (Pb), % 0
0 to 0.0020
Manganese (Mn), % 0.6 to 0.9
0
Phosphorus (P), % 0 to 0.040
0 to 0.0020
Sulfur (S), % 0 to 0.050
0
Zinc (Zn), % 0
0 to 0.0020