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CR025A Copper vs. EN 1.7076 Steel

CR025A copper belongs to the copper alloys classification, while EN 1.7076 steel belongs to the iron 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 CR025A copper and the bottom bar is EN 1.7076 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 120
190
Poisson's Ratio 0.34
0.29
Shear Modulus, GPa 43
73
Tensile Strength: Ultimate (UTS), MPa 230
470 to 1700

Thermal Properties

Latent Heat of Fusion, J/g 210
250
Maximum Temperature: Mechanical, °C 200
420
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 370
45
Thermal Expansion, µm/m-K 17
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 99
7.2
Electrical Conductivity: Equal Weight (Specific), % IACS 99
8.3

Otherwise Unclassified Properties

Base Metal Price, % relative 31
2.3
Density, g/cm3 9.0
7.8
Embodied Carbon, kg CO2/kg material 2.6
1.4
Embodied Energy, MJ/kg 41
19
Embodied Water, L/kg 320
51

Common Calculations

Stiffness to Weight: Axial, points 7.2
13
Stiffness to Weight: Bending, points 18
24
Strength to Weight: Axial, points 7.1
17 to 60
Strength to Weight: Bending, points 9.3
17 to 40
Thermal Diffusivity, mm2/s 110
12
Thermal Shock Resistance, points 8.1
14 to 50

Alloy Composition

Bismuth (Bi), % 0 to 0.00050
0
Boron (B), % 0
0.00080 to 0.0050
Carbon (C), % 0
0.3 to 0.34
Chromium (Cr), % 0
0.9 to 1.2
Copper (Cu), % 99.9 to 99.96
0 to 0.25
Iron (Fe), % 0
97 to 98.2
Lead (Pb), % 0 to 0.0050
0
Manganese (Mn), % 0
0.6 to 0.9
Phosphorus (P), % 0.040 to 0.060
0 to 0.025
Silicon (Si), % 0
0 to 0.3
Silver (Ag), % 0 to 0.015
0
Sulfur (S), % 0
0 to 0.025