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S31727 Stainless Steel vs. C96800 Copper

S31727 stainless steel belongs to the iron alloys classification, while C96800 copper belongs to the copper alloys. There are 24 material properties with values for both materials. Properties with values for just one material (11, in this case) are not shown.

For each property being compared, the top bar is S31727 stainless steel and the bottom bar is C96800 copper.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
120
Elongation at Break, % 40
3.4
Poisson's Ratio 0.28
0.34
Shear Modulus, GPa 78
46
Tensile Strength: Ultimate (UTS), MPa 630
1010
Tensile Strength: Yield (Proof), MPa 270
860

Thermal Properties

Latent Heat of Fusion, J/g 290
220
Maximum Temperature: Mechanical, °C 1010
220
Melting Completion (Liquidus), °C 1440
1120
Melting Onset (Solidus), °C 1390
1060
Specific Heat Capacity, J/kg-K 470
390
Thermal Expansion, µm/m-K 16
17

Otherwise Unclassified Properties

Base Metal Price, % relative 24
34
Density, g/cm3 8.0
8.9
Embodied Carbon, kg CO2/kg material 4.7
3.4
Embodied Energy, MJ/kg 64
52
Embodied Water, L/kg 180
300

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 200
33
Resilience: Unit (Modulus of Resilience), kJ/m3 190
3000
Stiffness to Weight: Axial, points 14
7.6
Stiffness to Weight: Bending, points 24
19
Strength to Weight: Axial, points 22
32
Strength to Weight: Bending, points 20
25
Thermal Shock Resistance, points 14
35

Alloy Composition

Aluminum (Al), % 0
0 to 0.1
Antimony (Sb), % 0
0 to 0.020
Carbon (C), % 0 to 0.030
0
Chromium (Cr), % 17.5 to 19
0
Copper (Cu), % 2.8 to 4.0
87.1 to 90.5
Iron (Fe), % 53.7 to 61.3
0 to 0.5
Lead (Pb), % 0
0 to 0.0050
Manganese (Mn), % 0 to 1.0
0.050 to 0.3
Molybdenum (Mo), % 3.8 to 4.5
0
Nickel (Ni), % 14.5 to 16.5
9.5 to 10.5
Nitrogen (N), % 0.15 to 0.21
0
Phosphorus (P), % 0 to 0.030
0 to 0.0050
Silicon (Si), % 0 to 1.0
0
Sulfur (S), % 0 to 0.030
0 to 0.0025
Zinc (Zn), % 0
0 to 1.0
Residuals, % 0
0 to 0.5