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C12200 Copper vs. S32101 Stainless Steel

C12200 copper belongs to the copper alloys classification, while S32101 stainless steel belongs to the iron alloys. There are 29 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 C12200 copper and the bottom bar is S32101 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 120
200
Elongation at Break, % 3.2 to 50
34
Poisson's Ratio 0.34
0.28
Shear Modulus, GPa 43
78
Shear Strength, MPa 150 to 240
490
Tensile Strength: Ultimate (UTS), MPa 220 to 410
740
Tensile Strength: Yield (Proof), MPa 69 to 400
500

Thermal Properties

Latent Heat of Fusion, J/g 210
290
Maximum Temperature: Mechanical, °C 200
1000
Melting Completion (Liquidus), °C 1080
1420
Melting Onset (Solidus), °C 1030
1370
Specific Heat Capacity, J/kg-K 390
480
Thermal Conductivity, W/m-K 340
15
Thermal Expansion, µm/m-K 17
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 85
2.2
Electrical Conductivity: Equal Weight (Specific), % IACS 85
2.5

Otherwise Unclassified Properties

Base Metal Price, % relative 31
12
Density, g/cm3 9.0
7.7
Embodied Carbon, kg CO2/kg material 2.6
2.6
Embodied Energy, MJ/kg 41
38
Embodied Water, L/kg 310
150

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 11 to 91
230
Resilience: Unit (Modulus of Resilience), kJ/m3 21 to 690
640
Stiffness to Weight: Axial, points 7.2
14
Stiffness to Weight: Bending, points 18
25
Strength to Weight: Axial, points 6.9 to 13
27
Strength to Weight: Bending, points 9.1 to 14
24
Thermal Diffusivity, mm2/s 98
4.0
Thermal Shock Resistance, points 7.9 to 15
20

Alloy Composition

Carbon (C), % 0
0 to 0.040
Chromium (Cr), % 0
21 to 22
Copper (Cu), % 99.9 to 99.985
0.1 to 0.8
Iron (Fe), % 0
67.3 to 73.3
Manganese (Mn), % 0
4.0 to 6.0
Molybdenum (Mo), % 0
0.1 to 0.8
Nickel (Ni), % 0
1.4 to 1.7
Nitrogen (N), % 0
0.2 to 0.25
Phosphorus (P), % 0.015 to 0.040
0 to 0.040
Silicon (Si), % 0
0 to 1.0
Sulfur (S), % 0
0 to 0.030