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EN 1.7709 Steel vs. C55181 Copper

EN 1.7709 steel belongs to the iron alloys classification, while C55181 copper belongs to the copper alloys. There are 20 material properties with values for both materials. Properties with values for just one material (7, in this case) are not shown.

For each property being compared, the top bar is EN 1.7709 steel and the bottom bar is C55181 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 73
40
Tensile Strength: Ultimate (UTS), MPa 650 to 780
200

Thermal Properties

Latent Heat of Fusion, J/g 250
190
Maximum Temperature: Mechanical, °C 440
200
Melting Completion (Liquidus), °C 1470
790
Melting Onset (Solidus), °C 1420
710
Specific Heat Capacity, J/kg-K 470
410
Thermal Expansion, µm/m-K 11
16

Otherwise Unclassified Properties

Base Metal Price, % relative 3.4
28
Density, g/cm3 7.8
8.5
Embodied Carbon, kg CO2/kg material 2.3
2.4
Embodied Energy, MJ/kg 32
38
Embodied Water, L/kg 56
290

Common Calculations

Stiffness to Weight: Axial, points 13
7.0
Stiffness to Weight: Bending, points 24
19
Strength to Weight: Axial, points 23 to 27
6.5
Strength to Weight: Bending, points 21 to 24
8.9
Thermal Shock Resistance, points 22 to 26
8.2

Alloy Composition

Aluminum (Al), % 0 to 0.030
0
Carbon (C), % 0.17 to 0.25
0
Chromium (Cr), % 1.2 to 1.5
0
Copper (Cu), % 0
92.4 to 93
Iron (Fe), % 95.2 to 97.5
0
Manganese (Mn), % 0.4 to 0.8
0
Molybdenum (Mo), % 0.55 to 0.8
0
Nickel (Ni), % 0 to 0.6
0
Phosphorus (P), % 0 to 0.025
7.0 to 7.5
Silicon (Si), % 0 to 0.4
0
Sulfur (S), % 0 to 0.030
0
Vanadium (V), % 0.2 to 0.35
0
Residuals, % 0
0 to 0.15