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CR011A Copper vs. EN 1.7231 Steel

CR011A copper belongs to the copper alloys classification, while EN 1.7231 steel belongs to the iron alloys. There are 28 material properties with values for both materials. Properties with values for just one material (3, in this case) are not shown.

For each property being compared, the top bar is CR011A copper and the bottom bar is EN 1.7231 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 120
190
Elongation at Break, % 15
11 to 12
Poisson's Ratio 0.34
0.29
Shear Modulus, GPa 43
73
Tensile Strength: Ultimate (UTS), MPa 220
790 to 930
Tensile Strength: Yield (Proof), MPa 130
570 to 800

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

Otherwise Unclassified Properties

Base Metal Price, % relative 32
2.5
Density, g/cm3 9.0
7.8
Embodied Carbon, kg CO2/kg material 2.6
1.5
Embodied Energy, MJ/kg 42
20
Embodied Water, L/kg 340
51

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 29
87 to 100
Resilience: Unit (Modulus of Resilience), kJ/m3 76
870 to 1700
Stiffness to Weight: Axial, points 7.2
13
Stiffness to Weight: Bending, points 18
24
Strength to Weight: Axial, points 6.8
28 to 33
Strength to Weight: Bending, points 9.0
24 to 27
Thermal Diffusivity, mm2/s 110
12
Thermal Shock Resistance, points 7.8
23 to 27

Alloy Composition

Bismuth (Bi), % 0 to 0.00050
0
Carbon (C), % 0
0.38 to 0.45
Chromium (Cr), % 0
0.8 to 1.2
Copper (Cu), % 99.88 to 99.97
0
Iron (Fe), % 0
96.4 to 98.1
Manganese (Mn), % 0
0.6 to 1.0
Molybdenum (Mo), % 0
0.15 to 0.3
Oxygen (O), % 0 to 0.040
0
Phosphorus (P), % 0
0 to 0.025
Silicon (Si), % 0
0 to 0.6
Silver (Ag), % 0.030 to 0.050
0
Sulfur (S), % 0
0 to 0.030