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EN 1.6579 Steel vs. CR012A Copper

EN 1.6579 steel belongs to the iron alloys classification, while CR012A copper belongs to the copper 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 EN 1.6579 steel and the bottom bar is CR012A copper.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
120
Elongation at Break, % 11 to 14
15
Poisson's Ratio 0.29
0.34
Shear Modulus, GPa 73
43
Tensile Strength: Ultimate (UTS), MPa 850 to 980
220
Tensile Strength: Yield (Proof), MPa 600 to 910
130

Thermal Properties

Latent Heat of Fusion, J/g 250
210
Maximum Temperature: Mechanical, °C 440
200
Melting Completion (Liquidus), °C 1460
1090
Melting Onset (Solidus), °C 1410
1040
Specific Heat Capacity, J/kg-K 470
390
Thermal Conductivity, W/m-K 39
390
Thermal Expansion, µm/m-K 13
17

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.7
100
Electrical Conductivity: Equal Weight (Specific), % IACS 8.8
100

Otherwise Unclassified Properties

Base Metal Price, % relative 3.7
33
Density, g/cm3 7.8
9.0
Embodied Carbon, kg CO2/kg material 1.7
2.7
Embodied Energy, MJ/kg 22
42
Embodied Water, L/kg 56
360

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 100 to 120
29
Resilience: Unit (Modulus of Resilience), kJ/m3 950 to 2210
76
Stiffness to Weight: Axial, points 13
7.2
Stiffness to Weight: Bending, points 24
18
Strength to Weight: Axial, points 30 to 35
6.8
Strength to Weight: Bending, points 25 to 28
9.0
Thermal Diffusivity, mm2/s 11
110
Thermal Shock Resistance, points 25 to 29
7.8

Alloy Composition

Bismuth (Bi), % 0
0 to 0.00050
Carbon (C), % 0.32 to 0.38
0
Chromium (Cr), % 1.4 to 1.7
0
Copper (Cu), % 0
99.85 to 99.94
Iron (Fe), % 94.2 to 96.1
0
Manganese (Mn), % 0.6 to 1.0
0
Molybdenum (Mo), % 0.15 to 0.35
0
Nickel (Ni), % 1.4 to 1.7
0
Oxygen (O), % 0
0 to 0.040
Phosphorus (P), % 0 to 0.025
0
Silicon (Si), % 0 to 0.6
0
Silver (Ag), % 0
0.060 to 0.080
Sulfur (S), % 0 to 0.030
0