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CR012A Copper vs. S82122 Stainless Steel

CR012A copper belongs to the copper alloys classification, while S82122 stainless steel belongs to the iron alloys. There are 28 material properties with values for both materials. Properties with values for just one material (6, in this case) are not shown.

For each property being compared, the top bar is CR012A copper and the bottom bar is S82122 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 120
200
Elongation at Break, % 15
34
Poisson's Ratio 0.34
0.28
Shear Modulus, GPa 43
78
Tensile Strength: Ultimate (UTS), MPa 220
680
Tensile Strength: Yield (Proof), MPa 130
450

Thermal Properties

Latent Heat of Fusion, J/g 210
290
Maximum Temperature: Mechanical, °C 200
990
Melting Completion (Liquidus), °C 1090
1420
Melting Onset (Solidus), °C 1040
1380
Specific Heat Capacity, J/kg-K 390
480
Thermal Conductivity, W/m-K 390
15
Thermal Expansion, µm/m-K 17
13

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 33
12
Density, g/cm3 9.0
7.7
Embodied Carbon, kg CO2/kg material 2.7
2.6
Embodied Energy, MJ/kg 42
37
Embodied Water, L/kg 360
150

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 29
210
Resilience: Unit (Modulus of Resilience), kJ/m3 76
510
Stiffness to Weight: Axial, points 7.2
14
Stiffness to Weight: Bending, points 18
25
Strength to Weight: Axial, points 6.8
25
Strength to Weight: Bending, points 9.0
22
Thermal Diffusivity, mm2/s 110
4.0
Thermal Shock Resistance, points 7.8
19

Alloy Composition

Bismuth (Bi), % 0 to 0.00050
0
Carbon (C), % 0
0 to 0.030
Chromium (Cr), % 0
20.5 to 21.5
Copper (Cu), % 99.85 to 99.94
0.5 to 1.5
Iron (Fe), % 0
68.9 to 75.4
Manganese (Mn), % 0
2.0 to 4.0
Molybdenum (Mo), % 0
0 to 0.6
Nickel (Ni), % 0
1.5 to 2.5
Nitrogen (N), % 0
0.15 to 0.2
Oxygen (O), % 0 to 0.040
0
Phosphorus (P), % 0
0 to 0.040
Silicon (Si), % 0
0 to 0.75
Silver (Ag), % 0.060 to 0.080
0
Sulfur (S), % 0
0 to 0.020