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S31266 Stainless Steel vs. C99500 Copper

S31266 stainless steel belongs to the iron alloys classification, while C99500 copper belongs to the copper alloys. There are 26 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 S31266 stainless steel and the bottom bar is C99500 copper.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 210
120
Elongation at Break, % 40
13
Poisson's Ratio 0.28
0.34
Shear Modulus, GPa 81
45
Tensile Strength: Ultimate (UTS), MPa 860
540
Tensile Strength: Yield (Proof), MPa 470
310

Thermal Properties

Latent Heat of Fusion, J/g 310
240
Maximum Temperature: Mechanical, °C 1100
210
Melting Completion (Liquidus), °C 1470
1090
Melting Onset (Solidus), °C 1420
1040
Specific Heat Capacity, J/kg-K 460
400
Thermal Expansion, µm/m-K 16
17

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.8
10
Electrical Conductivity: Equal Weight (Specific), % IACS 2.0
10

Otherwise Unclassified Properties

Base Metal Price, % relative 37
30
Density, g/cm3 8.2
8.7
Embodied Carbon, kg CO2/kg material 6.5
3.0
Embodied Energy, MJ/kg 89
47
Embodied Water, L/kg 220
300

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 290
63
Resilience: Unit (Modulus of Resilience), kJ/m3 540
410
Stiffness to Weight: Axial, points 14
7.7
Stiffness to Weight: Bending, points 24
19
Strength to Weight: Axial, points 29
17
Strength to Weight: Bending, points 24
17
Thermal Shock Resistance, points 18
19

Alloy Composition

Aluminum (Al), % 0
0.5 to 2.0
Carbon (C), % 0 to 0.030
0
Chromium (Cr), % 23 to 25
0
Copper (Cu), % 1.0 to 2.5
82.5 to 92
Iron (Fe), % 34.1 to 46
3.0 to 5.0
Lead (Pb), % 0
0 to 0.25
Manganese (Mn), % 2.0 to 4.0
0 to 0.5
Molybdenum (Mo), % 5.2 to 6.2
0
Nickel (Ni), % 21 to 24
3.5 to 5.5
Nitrogen (N), % 0.35 to 0.6
0
Phosphorus (P), % 0 to 0.035
0
Silicon (Si), % 0 to 1.0
0.5 to 2.0
Sulfur (S), % 0 to 0.020
0
Tungsten (W), % 1.5 to 2.5
0
Zinc (Zn), % 0
0.5 to 2.0
Residuals, % 0
0 to 0.3