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EN 1.7231 Steel vs. C82700 Copper

EN 1.7231 steel belongs to the iron alloys classification, while C82700 copper belongs to the copper alloys. There are 27 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 EN 1.7231 steel and the bottom bar is C82700 copper.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
120
Elongation at Break, % 11 to 12
1.8
Poisson's Ratio 0.29
0.33
Shear Modulus, GPa 73
46
Tensile Strength: Ultimate (UTS), MPa 790 to 930
1200
Tensile Strength: Yield (Proof), MPa 570 to 800
1020

Thermal Properties

Latent Heat of Fusion, J/g 250
240
Maximum Temperature: Mechanical, °C 420
300
Melting Completion (Liquidus), °C 1460
950
Melting Onset (Solidus), °C 1420
860
Specific Heat Capacity, J/kg-K 470
380
Thermal Conductivity, W/m-K 46
130
Thermal Expansion, µm/m-K 13
17

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.3
20
Electrical Conductivity: Equal Weight (Specific), % IACS 8.4
21

Otherwise Unclassified Properties

Density, g/cm3 7.8
8.7
Embodied Carbon, kg CO2/kg material 1.5
12
Embodied Energy, MJ/kg 20
180
Embodied Water, L/kg 51
310

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 87 to 100
21
Resilience: Unit (Modulus of Resilience), kJ/m3 870 to 1700
4260
Stiffness to Weight: Axial, points 13
7.8
Stiffness to Weight: Bending, points 24
19
Strength to Weight: Axial, points 28 to 33
38
Strength to Weight: Bending, points 24 to 27
29
Thermal Diffusivity, mm2/s 12
39
Thermal Shock Resistance, points 23 to 27
41

Alloy Composition


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Aluminum (Al), % 0
0 to 0.15
Beryllium (Be), % 0
2.4 to 2.6
Carbon (C), % 0.38 to 0.45
0
Chromium (Cr), % 0.8 to 1.2
0 to 0.090
Copper (Cu), % 0
94.6 to 96.7
Iron (Fe), % 96.4 to 98.1
0 to 0.25
Lead (Pb), % 0
0 to 0.020
Manganese (Mn), % 0.6 to 1.0
0
Molybdenum (Mo), % 0.15 to 0.3
0
Nickel (Ni), % 0
1.0 to 1.5
Phosphorus (P), % 0 to 0.025
0
Silicon (Si), % 0 to 0.6
0 to 0.15
Sulfur (S), % 0 to 0.030
0
Tin (Sn), % 0
0 to 0.1
Zinc (Zn), % 0
0 to 0.1
Residuals, % 0
0 to 0.5