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EN 1.7720 Steel vs. CR009A Copper

EN 1.7720 steel belongs to the iron alloys classification, while CR009A 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 1.7720 steel and the bottom bar is CR009A copper.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
120
Elongation at Break, % 19
15
Poisson's Ratio 0.29
0.34
Shear Modulus, GPa 73
43
Tensile Strength: Ultimate (UTS), MPa 590
230
Tensile Strength: Yield (Proof), MPa 340
140

Thermal Properties

Latent Heat of Fusion, J/g 250
210
Maximum Temperature: Mechanical, °C 410
200
Melting Completion (Liquidus), °C 1470
1090
Melting Onset (Solidus), °C 1430
1040
Specific Heat Capacity, J/kg-K 470
390
Thermal Conductivity, W/m-K 40
380
Thermal Expansion, µm/m-K 13
17

Electrical Properties

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

Otherwise Unclassified Properties

Base Metal Price, % relative 2.8
31
Density, g/cm3 7.9
9.0
Embodied Carbon, kg CO2/kg material 2.2
2.6
Embodied Energy, MJ/kg 30
41
Embodied Water, L/kg 51
310

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 97
31
Resilience: Unit (Modulus of Resilience), kJ/m3 300
83
Stiffness to Weight: Axial, points 13
7.2
Stiffness to Weight: Bending, points 24
18
Strength to Weight: Axial, points 21
7.1
Strength to Weight: Bending, points 20
9.3
Thermal Diffusivity, mm2/s 11
110
Thermal Shock Resistance, points 17
8.1

Alloy Composition

Antimony (Sb), % 0
0 to 0.00040
Arsenic (As), % 0
0 to 0.00050
Bismuth (Bi), % 0
0 to 0.00020
Cadmium (Cd), % 0
0 to 0.00010
Carbon (C), % 0.1 to 0.15
0
Chromium (Cr), % 0.3 to 0.5
0
Copper (Cu), % 0 to 0.3
99.99 to 100
Iron (Fe), % 96.6 to 98.6
0 to 0.0010
Lead (Pb), % 0
0 to 0.00050
Manganese (Mn), % 0.4 to 0.7
0 to 0.00050
Molybdenum (Mo), % 0.4 to 0.6
0
Nickel (Ni), % 0 to 0.4
0 to 0.0010
Phosphorus (P), % 0 to 0.030
0 to 0.0030
Selenium (Se), % 0
0 to 0.00020
Silicon (Si), % 0 to 0.45
0
Silver (Ag), % 0
0 to 0.0025
Sulfur (S), % 0 to 0.020
0 to 0.0015
Tellurium (Te), % 0
0 to 0.00020
Tin (Sn), % 0
0 to 0.00020
Vanadium (V), % 0.22 to 0.3
0
Zinc (Zn), % 0
0 to 0.00010