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SAE-AISI 9255 Steel vs. C11400 Copper

SAE-AISI 9255 steel belongs to the iron alloys classification, while C11400 copper belongs to the copper alloys. There are 29 material properties with values for both materials. Properties with values for just one material (5, in this case) are not shown.

For each property being compared, the top bar is SAE-AISI 9255 steel and the bottom bar is C11400 copper.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
120
Elongation at Break, % 21
2.8 to 51
Poisson's Ratio 0.29
0.34
Shear Modulus, GPa 72
43
Shear Strength, MPa 430
150 to 210
Tensile Strength: Ultimate (UTS), MPa 680
220 to 400
Tensile Strength: Yield (Proof), MPa 390
75 to 400

Thermal Properties

Latent Heat of Fusion, J/g 280
210
Maximum Temperature: Mechanical, °C 400
200
Melting Completion (Liquidus), °C 1430
1080
Melting Onset (Solidus), °C 1390
1030
Specific Heat Capacity, J/kg-K 480
390
Thermal Conductivity, W/m-K 46
390
Thermal Expansion, µm/m-K 13
17

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.4
100
Electrical Conductivity: Equal Weight (Specific), % IACS 8.6
100

Otherwise Unclassified Properties

Base Metal Price, % relative 2.0
32
Density, g/cm3 7.7
9.0
Embodied Carbon, kg CO2/kg material 1.5
2.6
Embodied Energy, MJ/kg 20
42
Embodied Water, L/kg 46
350

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 120
11 to 90
Resilience: Unit (Modulus of Resilience), kJ/m3 400
24 to 680
Stiffness to Weight: Axial, points 13
7.2
Stiffness to Weight: Bending, points 25
18
Strength to Weight: Axial, points 24
6.8 to 12
Strength to Weight: Bending, points 22
9.1 to 14
Thermal Diffusivity, mm2/s 13
110
Thermal Shock Resistance, points 21
7.8 to 14

Alloy Composition

Carbon (C), % 0.51 to 0.59
0
Copper (Cu), % 0
99.84 to 99.966
Iron (Fe), % 96.2 to 97
0
Manganese (Mn), % 0.7 to 1.0
0
Phosphorus (P), % 0 to 0.035
0
Silicon (Si), % 1.8 to 2.2
0
Silver (Ag), % 0
0.034 to 0.060
Sulfur (S), % 0 to 0.040
0
Residuals, % 0
0 to 0.1