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C14181 Copper vs. SAE-AISI 9255 Steel

C14181 copper belongs to the copper alloys classification, while SAE-AISI 9255 steel belongs to the iron 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 C14181 copper and the bottom bar is SAE-AISI 9255 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 120
190
Elongation at Break, % 15
21
Poisson's Ratio 0.34
0.29
Shear Modulus, GPa 43
72
Tensile Strength: Ultimate (UTS), MPa 210
680
Tensile Strength: Yield (Proof), MPa 130
390

Thermal Properties

Latent Heat of Fusion, J/g 210
280
Maximum Temperature: Mechanical, °C 200
400
Melting Completion (Liquidus), °C 1080
1430
Melting Onset (Solidus), °C 1080
1390
Specific Heat Capacity, J/kg-K 390
480
Thermal Conductivity, W/m-K 380
46
Thermal Expansion, µm/m-K 17
13

Otherwise Unclassified Properties

Base Metal Price, % relative 31
2.0
Density, g/cm3 9.0
7.7
Embodied Carbon, kg CO2/kg material 2.6
1.5
Embodied Energy, MJ/kg 41
20
Embodied Water, L/kg 310
46

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 28
120
Resilience: Unit (Modulus of Resilience), kJ/m3 69
400
Stiffness to Weight: Axial, points 7.2
13
Stiffness to Weight: Bending, points 18
25
Strength to Weight: Axial, points 6.5
24
Strength to Weight: Bending, points 8.8
22
Thermal Diffusivity, mm2/s 110
13
Thermal Shock Resistance, points 7.4
21

Alloy Composition

Cadmium (Cd), % 0 to 0.0020
0
Carbon (C), % 0 to 0.0050
0.51 to 0.59
Copper (Cu), % 99.9 to 100
0
Iron (Fe), % 0
96.2 to 97
Lead (Pb), % 0 to 0.0020
0
Manganese (Mn), % 0
0.7 to 1.0
Phosphorus (P), % 0 to 0.0020
0 to 0.035
Silicon (Si), % 0
1.8 to 2.2
Sulfur (S), % 0
0 to 0.040
Zinc (Zn), % 0 to 0.0020
0