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CR022A Copper vs. EN 1.4122 Stainless Steel

CR022A copper belongs to the copper alloys classification, while EN 1.4122 stainless steel belongs to the iron alloys. There are 28 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 CR022A copper and the bottom bar is EN 1.4122 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 120
200
Elongation at Break, % 15
14
Poisson's Ratio 0.34
0.28
Shear Modulus, GPa 43
77
Tensile Strength: Ultimate (UTS), MPa 230
790 to 850
Tensile Strength: Yield (Proof), MPa 140
450 to 630

Thermal Properties

Latent Heat of Fusion, J/g 210
280
Maximum Temperature: Mechanical, °C 200
870
Melting Completion (Liquidus), °C 1090
1440
Melting Onset (Solidus), °C 1040
1400
Specific Heat Capacity, J/kg-K 390
480
Thermal Conductivity, W/m-K 380
15
Thermal Expansion, µm/m-K 17
10

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 100
2.2
Electrical Conductivity: Equal Weight (Specific), % IACS 100
2.5

Otherwise Unclassified Properties

Base Metal Price, % relative 31
9.5
Density, g/cm3 9.0
7.7
Embodied Carbon, kg CO2/kg material 2.6
2.4
Embodied Energy, MJ/kg 41
33
Embodied Water, L/kg 310
120

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 31
93 to 110
Resilience: Unit (Modulus of Resilience), kJ/m3 83
520 to 1000
Stiffness to Weight: Axial, points 7.2
14
Stiffness to Weight: Bending, points 18
25
Strength to Weight: Axial, points 7.1
28 to 31
Strength to Weight: Bending, points 9.3
25 to 26
Thermal Diffusivity, mm2/s 110
4.0
Thermal Shock Resistance, points 8.1
28 to 30

Alloy Composition

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
0.33 to 0.45
Chromium (Cr), % 0
15.5 to 17.5
Copper (Cu), % 99.99 to 99.999
0
Iron (Fe), % 0 to 0.0010
77.2 to 83.4
Lead (Pb), % 0 to 0.00050
0
Manganese (Mn), % 0 to 0.00050
0 to 1.5
Molybdenum (Mo), % 0
0.8 to 1.3
Nickel (Ni), % 0 to 0.0010
0 to 1.0
Phosphorus (P), % 0.0010 to 0.0060
0 to 0.040
Selenium (Se), % 0 to 0.00020
0
Silicon (Si), % 0
0 to 1.0
Silver (Ag), % 0 to 0.0025
0
Sulfur (S), % 0 to 0.0015
0 to 0.015
Tellurium (Te), % 0 to 0.00020
0
Tin (Sn), % 0 to 0.00020
0
Zinc (Zn), % 0 to 0.00010
0