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CR022A Copper vs. S21800 Stainless Steel

CR022A copper belongs to the copper alloys classification, while S21800 stainless steel belongs to the iron alloys. There are 24 material properties with values for both materials. Properties with values for just one material (11, in this case) are not shown.

For each property being compared, the top bar is CR022A copper and the bottom bar is S21800 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 120
190
Elongation at Break, % 15
40
Poisson's Ratio 0.34
0.28
Shear Modulus, GPa 43
75
Tensile Strength: Ultimate (UTS), MPa 230
740
Tensile Strength: Yield (Proof), MPa 140
390

Thermal Properties

Latent Heat of Fusion, J/g 210
340
Maximum Temperature: Mechanical, °C 200
900
Melting Completion (Liquidus), °C 1090
1360
Melting Onset (Solidus), °C 1040
1310
Specific Heat Capacity, J/kg-K 390
500
Thermal Expansion, µm/m-K 17
16

Otherwise Unclassified Properties

Base Metal Price, % relative 31
15
Density, g/cm3 9.0
7.5
Embodied Carbon, kg CO2/kg material 2.6
3.1
Embodied Energy, MJ/kg 41
45
Embodied Water, L/kg 310
150

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 31
250
Resilience: Unit (Modulus of Resilience), kJ/m3 83
390
Stiffness to Weight: Axial, points 7.2
14
Stiffness to Weight: Bending, points 18
26
Strength to Weight: Axial, points 7.1
27
Strength to Weight: Bending, points 9.3
24
Thermal Shock Resistance, points 8.1
17

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 to 0.1
Chromium (Cr), % 0
16 to 18
Copper (Cu), % 99.99 to 99.999
0
Iron (Fe), % 0 to 0.0010
59.1 to 65.4
Lead (Pb), % 0 to 0.00050
0
Manganese (Mn), % 0 to 0.00050
7.0 to 9.0
Nickel (Ni), % 0 to 0.0010
8.0 to 9.0
Nitrogen (N), % 0
0.080 to 0.18
Phosphorus (P), % 0.0010 to 0.0060
0 to 0.060
Selenium (Se), % 0 to 0.00020
0
Silicon (Si), % 0
3.5 to 4.5
Silver (Ag), % 0 to 0.0025
0
Sulfur (S), % 0 to 0.0015
0 to 0.030
Tellurium (Te), % 0 to 0.00020
0
Tin (Sn), % 0 to 0.00020
0
Zinc (Zn), % 0 to 0.00010
0