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EN 1.7321 Steel vs. CC140C Copper

EN 1.7321 steel belongs to the iron alloys classification, while CC140C copper belongs to the copper alloys. There are 25 material properties with values for both materials. Properties with values for just one material (4, in this case) are not shown.

For each property being compared, the top bar is EN 1.7321 steel and the bottom bar is CC140C copper.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 150 to 170
110
Elastic (Young's, Tensile) Modulus, GPa 190
120
Poisson's Ratio 0.29
0.34
Shear Modulus, GPa 73
44
Tensile Strength: Ultimate (UTS), MPa 490 to 1460
340

Thermal Properties

Latent Heat of Fusion, J/g 250
210
Maximum Temperature: Mechanical, °C 410
200
Melting Completion (Liquidus), °C 1460
1100
Melting Onset (Solidus), °C 1420
1040
Specific Heat Capacity, J/kg-K 470
390
Thermal Conductivity, W/m-K 45
310
Thermal Expansion, µm/m-K 13
17

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.2
77
Electrical Conductivity: Equal Weight (Specific), % IACS 8.3
78

Otherwise Unclassified Properties

Base Metal Price, % relative 2.5
31
Density, g/cm3 7.9
8.9
Embodied Carbon, kg CO2/kg material 1.5
2.6
Embodied Energy, MJ/kg 20
41
Embodied Water, L/kg 50
310

Common Calculations

Stiffness to Weight: Axial, points 13
7.3
Stiffness to Weight: Bending, points 24
18
Strength to Weight: Axial, points 17 to 52
10
Strength to Weight: Bending, points 18 to 36
12
Thermal Diffusivity, mm2/s 12
89
Thermal Shock Resistance, points 14 to 43
12

Alloy Composition

Carbon (C), % 0.17 to 0.23
0
Chromium (Cr), % 0.3 to 0.6
0.4 to 1.2
Copper (Cu), % 0 to 0.25
98.8 to 99.6
Iron (Fe), % 97.1 to 98.4
0
Manganese (Mn), % 0.7 to 1.0
0
Molybdenum (Mo), % 0.4 to 0.5
0
Phosphorus (P), % 0 to 0.025
0
Silicon (Si), % 0 to 0.3
0
Sulfur (S), % 0 to 0.025
0