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CR023A Copper vs. S20161 Stainless Steel

CR023A copper belongs to the copper alloys classification, while S20161 stainless steel belongs to the iron alloys. There are 28 material properties with values for both materials. Properties with values for just one material (7, in this case) are not shown.

For each property being compared, the top bar is CR023A copper and the bottom bar is S20161 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 120
190
Elongation at Break, % 15
46
Poisson's Ratio 0.34
0.28
Shear Modulus, GPa 43
76
Tensile Strength: Ultimate (UTS), MPa 220
980
Tensile Strength: Yield (Proof), MPa 130
390

Thermal Properties

Latent Heat of Fusion, J/g 210
330
Maximum Temperature: Mechanical, °C 200
870
Melting Completion (Liquidus), °C 1090
1380
Melting Onset (Solidus), °C 1040
1330
Specific Heat Capacity, J/kg-K 390
490
Thermal Conductivity, W/m-K 380
15
Thermal Expansion, µm/m-K 17
16

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 100
2.5
Electrical Conductivity: Equal Weight (Specific), % IACS 100
2.9

Otherwise Unclassified Properties

Base Metal Price, % relative 31
12
Density, g/cm3 9.0
7.5
Embodied Carbon, kg CO2/kg material 2.6
2.7
Embodied Energy, MJ/kg 41
39
Embodied Water, L/kg 320
130

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 29
360
Resilience: Unit (Modulus of Resilience), kJ/m3 76
390
Stiffness to Weight: Axial, points 7.2
14
Stiffness to Weight: Bending, points 18
26
Strength to Weight: Axial, points 6.8
36
Strength to Weight: Bending, points 9.0
29
Thermal Diffusivity, mm2/s 110
4.0
Thermal Shock Resistance, points 7.8
22

Alloy Composition

Bismuth (Bi), % 0 to 0.00050
0
Carbon (C), % 0
0 to 0.15
Chromium (Cr), % 0
15 to 18
Copper (Cu), % 99.9 to 99.995
0
Iron (Fe), % 0
65.6 to 73.9
Lead (Pb), % 0 to 0.0050
0
Manganese (Mn), % 0
4.0 to 6.0
Nickel (Ni), % 0
4.0 to 6.0
Nitrogen (N), % 0
0.080 to 0.2
Phosphorus (P), % 0.0050 to 0.013
0 to 0.040
Silicon (Si), % 0
3.0 to 4.0
Silver (Ag), % 0 to 0.015
0
Sulfur (S), % 0
0 to 0.040