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C14520 Copper vs. S33425 Stainless Steel

C14520 copper belongs to the copper alloys classification, while S33425 stainless steel belongs to the iron alloys. There are 29 material properties with values for both materials. Properties with values for just one material (4, in this case) are not shown.

For each property being compared, the top bar is C14520 copper and the bottom bar is S33425 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 120
200
Elongation at Break, % 9.0 to 9.6
45
Poisson's Ratio 0.34
0.28
Shear Modulus, GPa 43
79
Shear Strength, MPa 170 to 190
400
Tensile Strength: Ultimate (UTS), MPa 290 to 330
580
Tensile Strength: Yield (Proof), MPa 230 to 250
230

Thermal Properties

Latent Heat of Fusion, J/g 210
300
Maximum Temperature: Mechanical, °C 200
1100
Melting Completion (Liquidus), °C 1080
1430
Melting Onset (Solidus), °C 1050
1380
Specific Heat Capacity, J/kg-K 390
470
Thermal Conductivity, W/m-K 320
14
Thermal Expansion, µm/m-K 17
16

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 85
2.1
Electrical Conductivity: Equal Weight (Specific), % IACS 85
2.4

Otherwise Unclassified Properties

Base Metal Price, % relative 33
27
Density, g/cm3 8.9
7.9
Embodied Carbon, kg CO2/kg material 2.6
5.1
Embodied Energy, MJ/kg 42
71
Embodied Water, L/kg 310
190

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 24 to 29
210
Resilience: Unit (Modulus of Resilience), kJ/m3 240 to 280
140
Stiffness to Weight: Axial, points 7.2
14
Stiffness to Weight: Bending, points 18
25
Strength to Weight: Axial, points 9.0 to 10
20
Strength to Weight: Bending, points 11 to 12
19
Thermal Diffusivity, mm2/s 94
3.7
Thermal Shock Resistance, points 10 to 12
13

Alloy Composition

Aluminum (Al), % 0
0.15 to 0.6
Carbon (C), % 0
0 to 0.080
Chromium (Cr), % 0
21 to 23
Copper (Cu), % 99.2 to 99.596
0
Iron (Fe), % 0
47.2 to 56.7
Manganese (Mn), % 0
0 to 1.5
Molybdenum (Mo), % 0
2.0 to 3.0
Nickel (Ni), % 0
20 to 23
Phosphorus (P), % 0.0040 to 0.020
0 to 0.045
Silicon (Si), % 0
0 to 1.0
Sulfur (S), % 0
0 to 0.020
Tellurium (Te), % 0.4 to 0.7
0
Titanium (Ti), % 0
0.15 to 0.6