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S31730 Stainless Steel vs. C14510 Copper

S31730 stainless steel belongs to the iron alloys classification, while C14510 copper belongs to the copper alloys. There are 25 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 S31730 stainless steel and the bottom bar is C14510 copper.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
120
Elongation at Break, % 40
9.1 to 9.6
Poisson's Ratio 0.28
0.34
Shear Modulus, GPa 77
43
Shear Strength, MPa 370
180 to 190
Tensile Strength: Ultimate (UTS), MPa 540
300 to 320
Tensile Strength: Yield (Proof), MPa 200
230 to 250

Thermal Properties

Latent Heat of Fusion, J/g 290
210
Maximum Temperature: Mechanical, °C 990
200
Melting Completion (Liquidus), °C 1430
1080
Melting Onset (Solidus), °C 1390
1050
Specific Heat Capacity, J/kg-K 470
390
Thermal Expansion, µm/m-K 16
17

Otherwise Unclassified Properties

Base Metal Price, % relative 24
33
Density, g/cm3 8.0
8.9
Embodied Carbon, kg CO2/kg material 4.6
2.6
Embodied Energy, MJ/kg 63
42
Embodied Water, L/kg 180
310

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 170
25 to 29
Resilience: Unit (Modulus of Resilience), kJ/m3 99
230 to 280
Stiffness to Weight: Axial, points 14
7.2
Stiffness to Weight: Bending, points 24
18
Strength to Weight: Axial, points 19
9.2 to 10
Strength to Weight: Bending, points 18
11 to 12
Thermal Shock Resistance, points 12
11 to 12

Alloy Composition

Carbon (C), % 0 to 0.030
0
Chromium (Cr), % 17 to 19
0
Copper (Cu), % 4.0 to 5.0
99.15 to 99.69
Iron (Fe), % 52.4 to 61
0
Lead (Pb), % 0
0 to 0.050
Manganese (Mn), % 0 to 2.0
0
Molybdenum (Mo), % 3.0 to 4.0
0
Nickel (Ni), % 15 to 16.5
0
Nitrogen (N), % 0 to 0.045
0
Phosphorus (P), % 0 to 0.040
0.010 to 0.030
Silicon (Si), % 0 to 1.0
0
Sulfur (S), % 0 to 0.010
0
Tellurium (Te), % 0
0.3 to 0.7