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CR012A Copper vs. EN 1.6771 Steel

CR012A copper belongs to the copper alloys classification, while EN 1.6771 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 CR012A copper and the bottom bar is EN 1.6771 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 120
190
Elongation at Break, % 15
8.0 to 8.7
Poisson's Ratio 0.34
0.29
Shear Modulus, GPa 43
73
Tensile Strength: Ultimate (UTS), MPa 220
930 to 1180
Tensile Strength: Yield (Proof), MPa 130
740 to 1140

Thermal Properties

Latent Heat of Fusion, J/g 210
250
Maximum Temperature: Mechanical, °C 200
440
Melting Completion (Liquidus), °C 1090
1460
Melting Onset (Solidus), °C 1040
1420
Specific Heat Capacity, J/kg-K 390
470
Thermal Conductivity, W/m-K 390
46
Thermal Expansion, µm/m-K 17
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 100
8.0
Electrical Conductivity: Equal Weight (Specific), % IACS 100
9.2

Otherwise Unclassified Properties

Base Metal Price, % relative 33
5.0
Density, g/cm3 9.0
7.9
Embodied Carbon, kg CO2/kg material 2.7
1.9
Embodied Energy, MJ/kg 42
25
Embodied Water, L/kg 360
58

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 29
75 to 93
Resilience: Unit (Modulus of Resilience), kJ/m3 76
1460 to 3450
Stiffness to Weight: Axial, points 7.2
13
Stiffness to Weight: Bending, points 18
24
Strength to Weight: Axial, points 6.8
33 to 41
Strength to Weight: Bending, points 9.0
27 to 31
Thermal Diffusivity, mm2/s 110
13
Thermal Shock Resistance, points 7.8
27 to 35

Alloy Composition

Bismuth (Bi), % 0 to 0.00050
0
Carbon (C), % 0
0.27 to 0.33
Chromium (Cr), % 0
0.8 to 1.2
Copper (Cu), % 99.85 to 99.94
0
Iron (Fe), % 0
92.2 to 95
Manganese (Mn), % 0
0.6 to 1.0
Molybdenum (Mo), % 0
0.3 to 0.6
Nickel (Ni), % 0
3.0 to 4.0
Oxygen (O), % 0 to 0.040
0
Phosphorus (P), % 0
0 to 0.030
Silicon (Si), % 0
0 to 0.6
Silver (Ag), % 0.060 to 0.080
0
Sulfur (S), % 0
0 to 0.020