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EN 1.7729 Steel vs. C82700 Copper

EN 1.7729 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 1.7729 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, % 17
1.8
Poisson's Ratio 0.29
0.33
Shear Modulus, GPa 73
46
Tensile Strength: Ultimate (UTS), MPa 910
1200
Tensile Strength: Yield (Proof), MPa 750
1020

Thermal Properties

Latent Heat of Fusion, J/g 250
240
Maximum Temperature: Mechanical, °C 430
300
Melting Completion (Liquidus), °C 1470
950
Melting Onset (Solidus), °C 1430
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 7.6
20
Electrical Conductivity: Equal Weight (Specific), % IACS 8.7
21

Otherwise Unclassified Properties

Density, g/cm3 7.8
8.7
Embodied Carbon, kg CO2/kg material 3.3
12
Embodied Energy, MJ/kg 49
180
Embodied Water, L/kg 59
310

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 150
21
Resilience: Unit (Modulus of Resilience), kJ/m3 1500
4260
Stiffness to Weight: Axial, points 13
7.8
Stiffness to Weight: Bending, points 24
19
Strength to Weight: Axial, points 32
38
Strength to Weight: Bending, points 27
29
Thermal Diffusivity, mm2/s 11
39
Thermal Shock Resistance, points 27
41

Alloy Composition

Aluminum (Al), % 0.015 to 0.080
0 to 0.15
Arsenic (As), % 0 to 0.020
0
Beryllium (Be), % 0
2.4 to 2.6
Boron (B), % 0.0010 to 0.010
0
Carbon (C), % 0.17 to 0.23
0
Chromium (Cr), % 0.9 to 1.2
0 to 0.090
Copper (Cu), % 0 to 0.2
94.6 to 96.7
Iron (Fe), % 94.8 to 97
0 to 0.25
Lead (Pb), % 0
0 to 0.020
Manganese (Mn), % 0.35 to 0.75
0
Molybdenum (Mo), % 0.9 to 1.1
0
Nickel (Ni), % 0 to 0.2
1.0 to 1.5
Phosphorus (P), % 0 to 0.020
0
Silicon (Si), % 0 to 0.4
0 to 0.15
Sulfur (S), % 0 to 0.015
0
Tin (Sn), % 0 to 0.020
0 to 0.1
Titanium (Ti), % 0.070 to 0.15
0
Vanadium (V), % 0.6 to 0.8
0
Zinc (Zn), % 0
0 to 0.1
Residuals, % 0
0 to 0.5