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S31727 Stainless Steel vs. C99300 Copper

S31727 stainless steel belongs to the iron alloys classification, while C99300 copper belongs to the copper alloys. There are 25 material properties with values for both materials. Properties with values for just one material (10, in this case) are not shown.

For each property being compared, the top bar is S31727 stainless steel and the bottom bar is C99300 copper.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 190
200
Elastic (Young's, Tensile) Modulus, GPa 200
120
Elongation at Break, % 40
2.0
Poisson's Ratio 0.28
0.33
Shear Modulus, GPa 78
46
Tensile Strength: Ultimate (UTS), MPa 630
660
Tensile Strength: Yield (Proof), MPa 270
380

Thermal Properties

Latent Heat of Fusion, J/g 290
240
Maximum Temperature: Mechanical, °C 1010
250
Melting Completion (Liquidus), °C 1440
1080
Melting Onset (Solidus), °C 1390
1070
Specific Heat Capacity, J/kg-K 470
450
Thermal Expansion, µm/m-K 16
17

Otherwise Unclassified Properties

Base Metal Price, % relative 24
35
Density, g/cm3 8.0
8.2
Embodied Carbon, kg CO2/kg material 4.7
4.5
Embodied Energy, MJ/kg 64
70
Embodied Water, L/kg 180
400

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 200
11
Resilience: Unit (Modulus of Resilience), kJ/m3 190
590
Stiffness to Weight: Axial, points 14
8.3
Stiffness to Weight: Bending, points 24
20
Strength to Weight: Axial, points 22
22
Strength to Weight: Bending, points 20
20
Thermal Shock Resistance, points 14
22

Alloy Composition

Aluminum (Al), % 0
10.7 to 11.5
Carbon (C), % 0 to 0.030
0
Chromium (Cr), % 17.5 to 19
0
Cobalt (Co), % 0
1.0 to 2.0
Copper (Cu), % 2.8 to 4.0
68.6 to 74.4
Iron (Fe), % 53.7 to 61.3
0.4 to 1.0
Lead (Pb), % 0
0 to 0.020
Manganese (Mn), % 0 to 1.0
0
Molybdenum (Mo), % 3.8 to 4.5
0
Nickel (Ni), % 14.5 to 16.5
13.5 to 16.5
Nitrogen (N), % 0.15 to 0.21
0
Phosphorus (P), % 0 to 0.030
0
Silicon (Si), % 0 to 1.0
0 to 0.020
Sulfur (S), % 0 to 0.030
0
Tin (Sn), % 0
0 to 0.050
Residuals, % 0
0 to 0.3