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EN 1.7131 Steel vs. C70250 Copper

EN 1.7131 steel belongs to the iron alloys classification, while C70250 copper belongs to the copper alloys. There are 24 material properties with values for both materials. Properties with values for just one material (1, in this case) are not shown.

For each property being compared, the top bar is EN 1.7131 steel and the bottom bar is C70250 copper.

Metric UnitsUS Customary Units

Mechanical Properties

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 470 to 1390
520 to 740

Thermal Properties

Latent Heat of Fusion, J/g 250
220
Maximum Temperature: Mechanical, °C 420
210
Melting Completion (Liquidus), °C 1460
1100
Melting Onset (Solidus), °C 1420
1080
Specific Heat Capacity, J/kg-K 470
390
Thermal Conductivity, W/m-K 45
170
Thermal Expansion, µm/m-K 13
17

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.3
36 to 50
Electrical Conductivity: Equal Weight (Specific), % IACS 8.3
37 to 51

Otherwise Unclassified Properties

Base Metal Price, % relative 2.2
31
Density, g/cm3 7.8
8.9
Embodied Carbon, kg CO2/kg material 1.4
2.9
Embodied Energy, MJ/kg 19
45
Embodied Water, L/kg 51
310

Common Calculations

Stiffness to Weight: Axial, points 13
7.4
Stiffness to Weight: Bending, points 24
18
Strength to Weight: Axial, points 17 to 49
16 to 23
Strength to Weight: Bending, points 17 to 35
16 to 21
Thermal Diffusivity, mm2/s 12
49
Thermal Shock Resistance, points 14 to 41
18 to 26

Alloy Composition

Carbon (C), % 0.14 to 0.19
0
Chromium (Cr), % 0.8 to 1.1
0
Copper (Cu), % 0 to 0.25
92.7 to 97.5
Iron (Fe), % 96.8 to 98.1
0
Lead (Pb), % 0
0 to 0.050
Magnesium (Mg), % 0
0.050 to 0.3
Manganese (Mn), % 1.0 to 1.3
0 to 0.1
Nickel (Ni), % 0
2.2 to 4.2
Phosphorus (P), % 0 to 0.025
0
Silicon (Si), % 0 to 0.3
0.25 to 1.2
Sulfur (S), % 0 to 0.025
0
Zinc (Zn), % 0
0 to 1.0
Residuals, % 0
0 to 0.5