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EN 1.7390 Steel vs. C82700 Copper

EN 1.7390 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 (8, in this case) are not shown.

For each property being compared, the top bar is EN 1.7390 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, % 16
1.8
Poisson's Ratio 0.29
0.33
Shear Modulus, GPa 74
46
Tensile Strength: Ultimate (UTS), MPa 710
1200
Tensile Strength: Yield (Proof), MPa 480
1020

Thermal Properties

Latent Heat of Fusion, J/g 260
240
Maximum Temperature: Mechanical, °C 510
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 40
130
Thermal Expansion, µm/m-K 13
17

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 8.1
20
Electrical Conductivity: Equal Weight (Specific), % IACS 9.3
21

Otherwise Unclassified Properties

Density, g/cm3 7.8
8.7
Embodied Carbon, kg CO2/kg material 1.7
12
Embodied Energy, MJ/kg 23
180
Embodied Water, L/kg 69
310

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 100
21
Resilience: Unit (Modulus of Resilience), kJ/m3 600
4260
Stiffness to Weight: Axial, points 14
7.8
Stiffness to Weight: Bending, points 25
19
Strength to Weight: Axial, points 25
38
Strength to Weight: Bending, points 23
29
Thermal Diffusivity, mm2/s 11
39
Thermal Shock Resistance, points 20
41

Alloy Composition

Aluminum (Al), % 0
0 to 0.15
Beryllium (Be), % 0
2.4 to 2.6
Carbon (C), % 0 to 0.18
0
Chromium (Cr), % 4.0 to 6.0
0 to 0.090
Copper (Cu), % 0
94.6 to 96.7
Iron (Fe), % 91.9 to 95.3
0 to 0.25
Lead (Pb), % 0
0 to 0.020
Manganese (Mn), % 0.3 to 0.8
0
Molybdenum (Mo), % 0.45 to 0.65
0
Nickel (Ni), % 0
1.0 to 1.5
Phosphorus (P), % 0 to 0.025
0
Silicon (Si), % 0 to 0.4
0 to 0.15
Sulfur (S), % 0 to 0.015
0
Tin (Sn), % 0
0 to 0.1
Zinc (Zn), % 0
0 to 0.1
Residuals, % 0
0 to 0.5