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CR012A Copper vs. EN 1.7240 Steel

CR012A copper belongs to the copper alloys classification, while EN 1.7240 steel belongs to the iron alloys. There are 24 material properties with values for both materials. Properties with values for just one material (5, in this case) are not shown.

For each property being compared, the top bar is CR012A copper and the bottom bar is EN 1.7240 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 120
190
Poisson's Ratio 0.34
0.29
Shear Modulus, GPa 43
73
Tensile Strength: Ultimate (UTS), MPa 220
670 to 1990

Thermal Properties

Latent Heat of Fusion, J/g 210
250
Maximum Temperature: Mechanical, °C 200
420
Melting Completion (Liquidus), °C 1090
1460
Melting Onset (Solidus), °C 1040
1410
Specific Heat Capacity, J/kg-K 390
470
Thermal Conductivity, W/m-K 390
44
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 33
2.4
Density, g/cm3 9.0
7.8
Embodied Carbon, kg CO2/kg material 2.7
1.5
Embodied Energy, MJ/kg 42
20
Embodied Water, L/kg 360
50

Common Calculations

Stiffness to Weight: Axial, points 7.2
13
Stiffness to Weight: Bending, points 18
24
Strength to Weight: Axial, points 6.8
24 to 71
Strength to Weight: Bending, points 9.0
22 to 45
Thermal Diffusivity, mm2/s 110
12
Thermal Shock Resistance, points 7.8
20 to 59

Alloy Composition

Bismuth (Bi), % 0 to 0.00050
0
Carbon (C), % 0
0.56 to 0.64
Chromium (Cr), % 0
0.7 to 1.0
Copper (Cu), % 99.85 to 99.94
0
Iron (Fe), % 0
96.7 to 97.9
Manganese (Mn), % 0
0.7 to 1.0
Molybdenum (Mo), % 0
0.15 to 0.25
Oxygen (O), % 0 to 0.040
0
Phosphorus (P), % 0
0 to 0.025
Silicon (Si), % 0
0 to 0.4
Silver (Ag), % 0.060 to 0.080
0
Sulfur (S), % 0
0 to 0.025