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S35140 Stainless Steel vs. C96600 Copper

S35140 stainless steel belongs to the iron alloys classification, while C96600 copper belongs to the copper alloys. They have a modest 28% of their average alloy composition in common, which, by itself, doesn't mean much. 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 S35140 stainless steel and the bottom bar is C96600 copper.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
140
Elongation at Break, % 34
7.0
Poisson's Ratio 0.28
0.33
Shear Modulus, GPa 78
52
Tensile Strength: Ultimate (UTS), MPa 690
760
Tensile Strength: Yield (Proof), MPa 310
480

Thermal Properties

Latent Heat of Fusion, J/g 300
240
Maximum Temperature: Mechanical, °C 1100
280
Melting Completion (Liquidus), °C 1420
1180
Melting Onset (Solidus), °C 1370
1100
Specific Heat Capacity, J/kg-K 470
400
Thermal Conductivity, W/m-K 14
30
Thermal Expansion, µm/m-K 16
15

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.7
4.0
Electrical Conductivity: Equal Weight (Specific), % IACS 1.9
4.1

Otherwise Unclassified Properties

Base Metal Price, % relative 31
65
Density, g/cm3 8.0
8.9
Embodied Carbon, kg CO2/kg material 5.5
7.0
Embodied Energy, MJ/kg 78
100
Embodied Water, L/kg 190
280

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 190
47
Resilience: Unit (Modulus of Resilience), kJ/m3 250
830
Stiffness to Weight: Axial, points 14
8.7
Stiffness to Weight: Bending, points 24
20
Strength to Weight: Axial, points 24
24
Strength to Weight: Bending, points 22
21
Thermal Diffusivity, mm2/s 3.7
8.4
Thermal Shock Resistance, points 16
25

Alloy Composition

Beryllium (Be), % 0
0.4 to 0.7
Carbon (C), % 0 to 0.1
0
Chromium (Cr), % 20 to 22
0
Copper (Cu), % 0
63.5 to 69.8
Iron (Fe), % 44.1 to 52.7
0.8 to 1.1
Lead (Pb), % 0
0 to 0.010
Manganese (Mn), % 1.0 to 3.0
0 to 1.0
Molybdenum (Mo), % 1.0 to 2.0
0
Nickel (Ni), % 25 to 27
29 to 33
Niobium (Nb), % 0.25 to 0.75
0
Nitrogen (N), % 0.080 to 0.2
0
Phosphorus (P), % 0 to 0.045
0
Silicon (Si), % 0 to 0.75
0 to 0.15
Sulfur (S), % 0 to 0.030
0
Residuals, % 0
0 to 0.5