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C11400 Copper vs. S33425 Stainless Steel

C11400 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 (7, in this case) are not shown.

For each property being compared, the top bar is C11400 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, % 2.8 to 51
45
Poisson's Ratio 0.34
0.28
Shear Modulus, GPa 43
79
Shear Strength, MPa 150 to 210
400
Tensile Strength: Ultimate (UTS), MPa 220 to 400
580
Tensile Strength: Yield (Proof), MPa 75 to 400
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 1030
1380
Specific Heat Capacity, J/kg-K 390
470
Thermal Conductivity, W/m-K 390
14
Thermal Expansion, µm/m-K 17
16

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 100
2.1
Electrical Conductivity: Equal Weight (Specific), % IACS 100
2.4

Otherwise Unclassified Properties

Base Metal Price, % relative 32
27
Density, g/cm3 9.0
7.9
Embodied Carbon, kg CO2/kg material 2.6
5.1
Embodied Energy, MJ/kg 42
71
Embodied Water, L/kg 350
190

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 11 to 90
210
Resilience: Unit (Modulus of Resilience), kJ/m3 24 to 680
140
Stiffness to Weight: Axial, points 7.2
14
Stiffness to Weight: Bending, points 18
25
Strength to Weight: Axial, points 6.8 to 12
20
Strength to Weight: Bending, points 9.1 to 14
19
Thermal Diffusivity, mm2/s 110
3.7
Thermal Shock Resistance, points 7.8 to 14
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), % 99.84 to 99.966
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
0 to 0.045
Silicon (Si), % 0
0 to 1.0
Silver (Ag), % 0.034 to 0.060
0
Sulfur (S), % 0
0 to 0.020
Titanium (Ti), % 0
0.15 to 0.6
Residuals, % 0 to 0.1
0