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SAE-AISI A7 Steel vs. C19800 Copper

SAE-AISI A7 steel belongs to the iron alloys classification, while C19800 copper belongs to the copper alloys. There are 21 material properties with values for both materials. Properties with values for just one material (9, in this case) are not shown.

For each property being compared, the top bar is SAE-AISI A7 steel and the bottom bar is C19800 copper.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
110
Poisson's Ratio 0.29
0.34
Shear Modulus, GPa 72
43
Tensile Strength: Ultimate (UTS), MPa 800 to 2150
430 to 550

Thermal Properties

Latent Heat of Fusion, J/g 260
210
Melting Completion (Liquidus), °C 1470
1070
Melting Onset (Solidus), °C 1430
1050
Specific Heat Capacity, J/kg-K 470
390
Thermal Conductivity, W/m-K 37
260
Thermal Expansion, µm/m-K 12
18

Otherwise Unclassified Properties

Base Metal Price, % relative 10
30
Density, g/cm3 7.7
8.9
Embodied Carbon, kg CO2/kg material 13
2.8
Embodied Energy, MJ/kg 200
43
Embodied Water, L/kg 100
320

Common Calculations

Stiffness to Weight: Axial, points 13
7.2
Stiffness to Weight: Bending, points 25
18
Strength to Weight: Axial, points 29 to 77
14 to 17
Strength to Weight: Bending, points 25 to 48
14 to 17
Thermal Diffusivity, mm2/s 10
75
Thermal Shock Resistance, points 27 to 72
15 to 20

Alloy Composition

Carbon (C), % 2.0 to 2.9
0
Chromium (Cr), % 5.0 to 5.8
0
Copper (Cu), % 0 to 0.25
95.7 to 99.47
Iron (Fe), % 81.4 to 87.7
0.020 to 0.5
Magnesium (Mg), % 0
0.1 to 1.0
Manganese (Mn), % 0 to 0.8
0
Molybdenum (Mo), % 0.9 to 1.4
0
Nickel (Ni), % 0 to 0.3
0
Phosphorus (P), % 0 to 0.030
0.010 to 0.1
Silicon (Si), % 0 to 0.5
0
Sulfur (S), % 0 to 0.030
0
Tin (Sn), % 0
0.1 to 1.0
Tungsten (W), % 0.5 to 1.5
0
Vanadium (V), % 3.9 to 5.2
0
Zinc (Zn), % 0
0.3 to 1.5
Residuals, % 0
0 to 0.2