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EN 1.7039 Steel vs. CR023A Copper

EN 1.7039 steel belongs to the iron alloys classification, while CR023A copper belongs to the copper alloys. There are 24 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 1.7039 steel and the bottom bar is CR023A 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 530 to 1850
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 46
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 2.3
31
Density, g/cm3 7.8
9.0
Embodied Carbon, kg CO2/kg material 1.4
2.6
Embodied Energy, MJ/kg 19
41
Embodied Water, L/kg 51
320

Common Calculations

Stiffness to Weight: Axial, points 13
7.2
Stiffness to Weight: Bending, points 24
18
Strength to Weight: Axial, points 19 to 65
6.8
Strength to Weight: Bending, points 19 to 43
9.0
Thermal Diffusivity, mm2/s 12
110
Thermal Shock Resistance, points 16 to 54
7.8

Alloy Composition

Bismuth (Bi), % 0
0 to 0.00050
Carbon (C), % 0.38 to 0.45
0
Chromium (Cr), % 0.9 to 1.2
0
Copper (Cu), % 0 to 0.25
99.9 to 99.995
Iron (Fe), % 96.8 to 98.1
0
Lead (Pb), % 0
0 to 0.0050
Manganese (Mn), % 0.6 to 0.9
0
Phosphorus (P), % 0 to 0.025
0.0050 to 0.013
Silicon (Si), % 0 to 0.3
0
Silver (Ag), % 0
0 to 0.015
Sulfur (S), % 0.020 to 0.040
0