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CR012A Copper vs. EN 1.6957 Steel

CR012A copper belongs to the copper alloys classification, while EN 1.6957 steel belongs to the iron alloys. There are 28 material properties with values for both materials. Properties with values for just one material (6, in this case) are not shown.

For each property being compared, the top bar is CR012A copper and the bottom bar is EN 1.6957 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 120
190
Elongation at Break, % 15
18
Poisson's Ratio 0.34
0.29
Shear Modulus, GPa 43
73
Tensile Strength: Ultimate (UTS), MPa 220
930
Tensile Strength: Yield (Proof), MPa 130
780

Thermal Properties

Latent Heat of Fusion, J/g 210
250
Maximum Temperature: Mechanical, °C 200
450
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
47
Thermal Expansion, µm/m-K 17
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 100
7.9
Electrical Conductivity: Equal Weight (Specific), % IACS 100
9.1

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
2.1
Embodied Energy, MJ/kg 42
29
Embodied Water, L/kg 360
60

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 29
160
Resilience: Unit (Modulus of Resilience), kJ/m3 76
1630
Stiffness to Weight: Axial, points 7.2
13
Stiffness to Weight: Bending, points 18
24
Strength to Weight: Axial, points 6.8
33
Strength to Weight: Bending, points 9.0
27
Thermal Diffusivity, mm2/s 110
13
Thermal Shock Resistance, points 7.8
27

Alloy Composition

Bismuth (Bi), % 0 to 0.00050
0
Carbon (C), % 0
0.22 to 0.32
Chromium (Cr), % 0
1.2 to 1.8
Copper (Cu), % 99.85 to 99.94
0
Iron (Fe), % 0
92.7 to 94.7
Manganese (Mn), % 0
0.15 to 0.4
Molybdenum (Mo), % 0
0.25 to 0.45
Nickel (Ni), % 0
3.4 to 4.0
Oxygen (O), % 0 to 0.040
0
Phosphorus (P), % 0
0 to 0.010
Silicon (Si), % 0
0 to 0.15
Silver (Ag), % 0.060 to 0.080
0
Sulfur (S), % 0
0 to 0.0070
Vanadium (V), % 0
0.050 to 0.15