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CR022A Copper vs. EN 1.7715 Steel

CR022A copper belongs to the copper alloys classification, while EN 1.7715 steel belongs to the iron alloys. There are 28 material properties with values for both materials. Properties with values for just one material (5, in this case) are not shown.

For each property being compared, the top bar is CR022A copper and the bottom bar is EN 1.7715 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 120
190
Elongation at Break, % 15
21
Poisson's Ratio 0.34
0.29
Shear Modulus, GPa 43
73
Tensile Strength: Ultimate (UTS), MPa 230
540
Tensile Strength: Yield (Proof), MPa 140
340

Thermal Properties

Latent Heat of Fusion, J/g 210
250
Maximum Temperature: Mechanical, °C 200
420
Melting Completion (Liquidus), °C 1090
1470
Melting Onset (Solidus), °C 1040
1430
Specific Heat Capacity, J/kg-K 390
470
Thermal Conductivity, W/m-K 380
40
Thermal Expansion, µm/m-K 17
13

Electrical Properties

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

Otherwise Unclassified Properties

Base Metal Price, % relative 31
2.9
Density, g/cm3 9.0
7.9
Embodied Carbon, kg CO2/kg material 2.6
2.2
Embodied Energy, MJ/kg 41
30
Embodied Water, L/kg 310
52

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 31
99
Resilience: Unit (Modulus of Resilience), kJ/m3 83
320
Stiffness to Weight: Axial, points 7.2
13
Stiffness to Weight: Bending, points 18
24
Strength to Weight: Axial, points 7.1
19
Strength to Weight: Bending, points 9.3
19
Thermal Diffusivity, mm2/s 110
11
Thermal Shock Resistance, points 8.1
16

Alloy Composition

Aluminum (Al), % 0
0 to 0.040
Antimony (Sb), % 0 to 0.00040
0
Arsenic (As), % 0 to 0.00050
0
Bismuth (Bi), % 0 to 0.00020
0
Cadmium (Cd), % 0 to 0.00010
0
Carbon (C), % 0
0.1 to 0.15
Chromium (Cr), % 0
0.3 to 0.6
Copper (Cu), % 99.99 to 99.999
0 to 0.3
Iron (Fe), % 0 to 0.0010
96.5 to 98.3
Lead (Pb), % 0 to 0.00050
0
Manganese (Mn), % 0 to 0.00050
0.4 to 0.7
Molybdenum (Mo), % 0
0.5 to 0.7
Nickel (Ni), % 0 to 0.0010
0 to 0.3
Phosphorus (P), % 0.0010 to 0.0060
0 to 0.025
Selenium (Se), % 0 to 0.00020
0
Silicon (Si), % 0
0.15 to 0.35
Silver (Ag), % 0 to 0.0025
0
Sulfur (S), % 0 to 0.0015
0 to 0.010
Tellurium (Te), % 0 to 0.00020
0
Tin (Sn), % 0 to 0.00020
0
Vanadium (V), % 0
0.22 to 0.28
Zinc (Zn), % 0 to 0.00010
0