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CR011A Copper vs. EN 1.7720 Steel

CR011A copper belongs to the copper alloys classification, while EN 1.7720 steel belongs to the iron alloys. There are 28 material properties with values for both materials. Properties with values for just one material (4, in this case) are not shown.

For each property being compared, the top bar is CR011A copper and the bottom bar is EN 1.7720 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 120
190
Elongation at Break, % 15
19
Poisson's Ratio 0.34
0.29
Shear Modulus, GPa 43
73
Tensile Strength: Ultimate (UTS), MPa 220
590
Tensile Strength: Yield (Proof), MPa 130
340

Thermal Properties

Latent Heat of Fusion, J/g 210
250
Maximum Temperature: Mechanical, °C 200
410
Melting Completion (Liquidus), °C 1090
1470
Melting Onset (Solidus), °C 1040
1430
Specific Heat Capacity, J/kg-K 390
470
Thermal Conductivity, W/m-K 390
40
Thermal Expansion, µm/m-K 17
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 100
7.3
Electrical Conductivity: Equal Weight (Specific), % IACS 100
8.4

Otherwise Unclassified Properties

Base Metal Price, % relative 32
2.8
Density, g/cm3 9.0
7.9
Embodied Carbon, kg CO2/kg material 2.6
2.2
Embodied Energy, MJ/kg 42
30
Embodied Water, L/kg 340
51

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 29
97
Resilience: Unit (Modulus of Resilience), kJ/m3 76
300
Stiffness to Weight: Axial, points 7.2
13
Stiffness to Weight: Bending, points 18
24
Strength to Weight: Axial, points 6.8
21
Strength to Weight: Bending, points 9.0
20
Thermal Diffusivity, mm2/s 110
11
Thermal Shock Resistance, points 7.8
17

Alloy Composition

Bismuth (Bi), % 0 to 0.00050
0
Carbon (C), % 0
0.1 to 0.15
Chromium (Cr), % 0
0.3 to 0.5
Copper (Cu), % 99.88 to 99.97
0 to 0.3
Iron (Fe), % 0
96.6 to 98.6
Manganese (Mn), % 0
0.4 to 0.7
Molybdenum (Mo), % 0
0.4 to 0.6
Nickel (Ni), % 0
0 to 0.4
Oxygen (O), % 0 to 0.040
0
Phosphorus (P), % 0
0 to 0.030
Silicon (Si), % 0
0 to 0.45
Silver (Ag), % 0.030 to 0.050
0
Sulfur (S), % 0
0 to 0.020
Vanadium (V), % 0
0.22 to 0.3