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CR022A Copper vs. EN 1.4905 Stainless Steel

CR022A copper belongs to the copper alloys classification, while EN 1.4905 stainless 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 1.4905 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 120
190
Elongation at Break, % 15
19
Poisson's Ratio 0.34
0.28
Shear Modulus, GPa 43
76
Tensile Strength: Ultimate (UTS), MPa 230
740
Tensile Strength: Yield (Proof), MPa 140
510

Thermal Properties

Latent Heat of Fusion, J/g 210
270
Maximum Temperature: Mechanical, °C 200
660
Melting Completion (Liquidus), °C 1090
1480
Melting Onset (Solidus), °C 1040
1440
Specific Heat Capacity, J/kg-K 390
470
Thermal Conductivity, W/m-K 380
26
Thermal Expansion, µm/m-K 17
11

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 100
3.7
Electrical Conductivity: Equal Weight (Specific), % IACS 100
4.2

Otherwise Unclassified Properties

Base Metal Price, % relative 31
9.5
Density, g/cm3 9.0
7.9
Embodied Carbon, kg CO2/kg material 2.6
2.8
Embodied Energy, MJ/kg 41
40
Embodied Water, L/kg 310
90

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 31
130
Resilience: Unit (Modulus of Resilience), kJ/m3 83
680
Stiffness to Weight: Axial, points 7.2
14
Stiffness to Weight: Bending, points 18
24
Strength to Weight: Axial, points 7.1
26
Strength to Weight: Bending, points 9.3
23
Thermal Diffusivity, mm2/s 110
7.0
Thermal Shock Resistance, points 8.1
25

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
Boron (B), % 0
0.00050 to 0.0050
Cadmium (Cd), % 0 to 0.00010
0
Carbon (C), % 0
0.090 to 0.13
Chromium (Cr), % 0
8.5 to 9.5
Copper (Cu), % 99.99 to 99.999
0
Iron (Fe), % 0 to 0.0010
86.2 to 88.8
Lead (Pb), % 0 to 0.00050
0
Manganese (Mn), % 0 to 0.00050
0.3 to 0.6
Molybdenum (Mo), % 0
0.9 to 1.1
Nickel (Ni), % 0 to 0.0010
0.1 to 0.4
Niobium (Nb), % 0
0.060 to 0.1
Nitrogen (N), % 0
0.050 to 0.090
Phosphorus (P), % 0.0010 to 0.0060
0 to 0.020
Selenium (Se), % 0 to 0.00020
0
Silicon (Si), % 0
0.1 to 0.5
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
Tungsten (W), % 0
0.9 to 1.1
Vanadium (V), % 0
0.18 to 0.25
Zinc (Zn), % 0 to 0.00010
0