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S32654 Stainless Steel vs. C18900 Copper

S32654 stainless steel belongs to the iron alloys classification, while C18900 copper belongs to the copper alloys. There are 29 material properties with values for both materials. Properties with values for just one material (5, in this case) are not shown.

For each property being compared, the top bar is S32654 stainless steel and the bottom bar is C18900 copper.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 210
120
Elongation at Break, % 45
14 to 48
Poisson's Ratio 0.28
0.34
Shear Modulus, GPa 82
43
Shear Strength, MPa 590
190 to 300
Tensile Strength: Ultimate (UTS), MPa 850
260 to 500
Tensile Strength: Yield (Proof), MPa 490
67 to 390

Thermal Properties

Latent Heat of Fusion, J/g 310
210
Maximum Temperature: Mechanical, °C 1100
200
Melting Completion (Liquidus), °C 1450
1080
Melting Onset (Solidus), °C 1410
1020
Specific Heat Capacity, J/kg-K 460
390
Thermal Conductivity, W/m-K 11
130
Thermal Expansion, µm/m-K 15
17

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.2
30
Electrical Conductivity: Equal Weight (Specific), % IACS 2.5
30

Otherwise Unclassified Properties

Base Metal Price, % relative 34
31
Density, g/cm3 8.0
8.9
Embodied Carbon, kg CO2/kg material 6.4
2.7
Embodied Energy, MJ/kg 87
42
Embodied Water, L/kg 220
310

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 330
65 to 95
Resilience: Unit (Modulus of Resilience), kJ/m3 570
20 to 660
Stiffness to Weight: Axial, points 14
7.2
Stiffness to Weight: Bending, points 25
18
Strength to Weight: Axial, points 29
8.2 to 16
Strength to Weight: Bending, points 25
10 to 16
Thermal Diffusivity, mm2/s 2.9
38
Thermal Shock Resistance, points 19
9.3 to 18

Alloy Composition

Aluminum (Al), % 0
0 to 0.010
Carbon (C), % 0 to 0.020
0
Chromium (Cr), % 24 to 25
0
Copper (Cu), % 0.3 to 0.6
97.7 to 99.15
Iron (Fe), % 38.3 to 45.3
0
Lead (Pb), % 0
0 to 0.020
Manganese (Mn), % 2.0 to 4.0
0.1 to 0.3
Molybdenum (Mo), % 7.0 to 8.0
0
Nickel (Ni), % 21 to 23
0
Nitrogen (N), % 0.45 to 0.55
0
Phosphorus (P), % 0 to 0.030
0 to 0.050
Silicon (Si), % 0 to 0.5
0.15 to 0.4
Sulfur (S), % 0 to 0.0050
0
Tin (Sn), % 0
0.6 to 0.9
Zinc (Zn), % 0
0 to 0.1
Residuals, % 0
0 to 0.5