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EN 1.7220 Steel vs. CR011A Copper

EN 1.7220 steel belongs to the iron alloys classification, while CR011A copper belongs to the copper alloys. There are 24 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 EN 1.7220 steel and the bottom bar is CR011A copper.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
120
Poisson's Ratio 0.29
0.34
Shear Modulus, GPa 73
43
Tensile Strength: Ultimate (UTS), MPa 520 to 1720
220

Thermal Properties

Latent Heat of Fusion, J/g 250
210
Maximum Temperature: Mechanical, °C 420
200
Melting Completion (Liquidus), °C 1460
1090
Melting Onset (Solidus), °C 1420
1040
Specific Heat Capacity, J/kg-K 470
390
Thermal Conductivity, W/m-K 44
390
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 2.5
32
Density, g/cm3 7.8
9.0
Embodied Carbon, kg CO2/kg material 1.5
2.6
Embodied Energy, MJ/kg 20
42
Embodied Water, L/kg 51
340

Common Calculations

Stiffness to Weight: Axial, points 13
7.2
Stiffness to Weight: Bending, points 24
18
Strength to Weight: Axial, points 18 to 61
6.8
Strength to Weight: Bending, points 18 to 41
9.0
Thermal Diffusivity, mm2/s 12
110
Thermal Shock Resistance, points 15 to 50
7.8

Alloy Composition

Bismuth (Bi), % 0
0 to 0.00050
Carbon (C), % 0.3 to 0.37
0
Chromium (Cr), % 0.9 to 1.2
0
Copper (Cu), % 0
99.88 to 99.97
Iron (Fe), % 96.8 to 98.1
0
Manganese (Mn), % 0.6 to 0.9
0
Molybdenum (Mo), % 0.15 to 0.3
0
Oxygen (O), % 0
0 to 0.040
Phosphorus (P), % 0 to 0.035
0
Silicon (Si), % 0 to 0.4
0
Silver (Ag), % 0
0.030 to 0.050
Sulfur (S), % 0 to 0.035
0