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SAE-AISI A9 Steel vs. C17300 Copper

SAE-AISI A9 steel belongs to the iron alloys classification, while C17300 copper belongs to the copper alloys. There are 22 material properties with values for both materials. Properties with values for just one material (8, in this case) are not shown.

For each property being compared, the top bar is SAE-AISI A9 steel and the bottom bar is C17300 copper.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
120
Poisson's Ratio 0.29
0.33
Shear Modulus, GPa 74
45
Tensile Strength: Ultimate (UTS), MPa 770 to 2030
500 to 1380

Thermal Properties

Latent Heat of Fusion, J/g 280
230
Melting Completion (Liquidus), °C 1460
980
Melting Onset (Solidus), °C 1410
870
Specific Heat Capacity, J/kg-K 470
380
Thermal Conductivity, W/m-K 35
110
Thermal Expansion, µm/m-K 12
17

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.9
22
Electrical Conductivity: Equal Weight (Specific), % IACS 9.2
23

Otherwise Unclassified Properties

Density, g/cm3 7.8
8.8
Embodied Carbon, kg CO2/kg material 4.7
9.4
Embodied Energy, MJ/kg 70
150
Embodied Water, L/kg 82
310

Common Calculations

Stiffness to Weight: Axial, points 14
7.6
Stiffness to Weight: Bending, points 25
19
Strength to Weight: Axial, points 28 to 73
16 to 44
Strength to Weight: Bending, points 24 to 46
16 to 31
Thermal Diffusivity, mm2/s 9.6
32
Thermal Shock Resistance, points 25 to 66
17 to 48

Alloy Composition

Aluminum (Al), % 0
0 to 0.2
Beryllium (Be), % 0
1.8 to 2.0
Carbon (C), % 0.45 to 0.55
0
Chromium (Cr), % 4.8 to 5.5
0
Copper (Cu), % 0 to 0.25
95.5 to 97.8
Iron (Fe), % 87 to 90.5
0 to 0.4
Lead (Pb), % 0
0.2 to 0.6
Manganese (Mn), % 0 to 0.5
0
Molybdenum (Mo), % 1.3 to 1.8
0
Nickel (Ni), % 1.3 to 1.8
0.2 to 0.6
Phosphorus (P), % 0 to 0.030
0
Silicon (Si), % 1.0 to 1.2
0 to 0.2
Sulfur (S), % 0 to 0.030
0
Vanadium (V), % 0.8 to 1.4
0
Residuals, % 0
0 to 0.5