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S35315 Stainless Steel vs. C15900 Copper

S35315 stainless steel belongs to the iron alloys classification, while C15900 copper belongs to the copper alloys. There are 30 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 S35315 stainless steel and the bottom bar is C15900 copper.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
110
Elongation at Break, % 46
6.5
Poisson's Ratio 0.28
0.34
Rockwell B Hardness 82
95
Shear Modulus, GPa 78
43
Shear Strength, MPa 520
420
Tensile Strength: Ultimate (UTS), MPa 740
720
Tensile Strength: Yield (Proof), MPa 300
240

Thermal Properties

Latent Heat of Fusion, J/g 330
210
Maximum Temperature: Mechanical, °C 1100
200
Melting Completion (Liquidus), °C 1370
1080
Melting Onset (Solidus), °C 1330
1030
Specific Heat Capacity, J/kg-K 480
390
Thermal Conductivity, W/m-K 12
280
Thermal Expansion, µm/m-K 16
17

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.7
48
Electrical Conductivity: Equal Weight (Specific), % IACS 2.0
49

Otherwise Unclassified Properties

Base Metal Price, % relative 34
30
Density, g/cm3 7.9
8.8
Embodied Carbon, kg CO2/kg material 5.7
2.8
Embodied Energy, MJ/kg 81
45
Embodied Water, L/kg 220
310

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 270
37
Resilience: Unit (Modulus of Resilience), kJ/m3 230
260
Stiffness to Weight: Axial, points 14
7.2
Stiffness to Weight: Bending, points 25
18
Strength to Weight: Axial, points 26
23
Strength to Weight: Bending, points 23
20
Thermal Diffusivity, mm2/s 3.1
80
Thermal Shock Resistance, points 17
26

Alloy Composition

Aluminum (Al), % 0
0.76 to 0.84
Carbon (C), % 0.040 to 0.080
0.27 to 0.33
Cerium (Ce), % 0.030 to 0.1
0
Chromium (Cr), % 24 to 26
0
Copper (Cu), % 0
97.5 to 97.9
Iron (Fe), % 33.6 to 40.6
0 to 0.040
Manganese (Mn), % 0 to 2.0
0
Nickel (Ni), % 34 to 36
0
Nitrogen (N), % 0.12 to 0.18
0
Oxygen (O), % 0
0.4 to 0.54
Phosphorus (P), % 0 to 0.040
0
Silicon (Si), % 1.2 to 2.0
0
Sulfur (S), % 0 to 0.030
0
Titanium (Ti), % 0
0.66 to 0.74