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C14300 Copper vs. S31277 Stainless Steel

C14300 copper belongs to the copper alloys classification, while S31277 stainless steel belongs to the iron 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 C14300 copper and the bottom bar is S31277 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 120
210
Elongation at Break, % 2.0 to 42
45
Poisson's Ratio 0.34
0.28
Shear Modulus, GPa 43
80
Shear Strength, MPa 150 to 260
600
Tensile Strength: Ultimate (UTS), MPa 220 to 460
860
Tensile Strength: Yield (Proof), MPa 76 to 430
410

Thermal Properties

Latent Heat of Fusion, J/g 210
310
Maximum Temperature: Mechanical, °C 220
1100
Melting Completion (Liquidus), °C 1080
1460
Melting Onset (Solidus), °C 1050
1410
Specific Heat Capacity, J/kg-K 390
460
Thermal Expansion, µm/m-K 17
16

Otherwise Unclassified Properties

Base Metal Price, % relative 31
36
Density, g/cm3 9.0
8.1
Embodied Carbon, kg CO2/kg material 2.6
6.7
Embodied Energy, MJ/kg 41
90
Embodied Water, L/kg 310
220

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 9.0 to 72
320
Resilience: Unit (Modulus of Resilience), kJ/m3 25 to 810
410
Stiffness to Weight: Axial, points 7.2
14
Stiffness to Weight: Bending, points 18
24
Strength to Weight: Axial, points 6.8 to 14
29
Strength to Weight: Bending, points 9.1 to 15
25
Thermal Shock Resistance, points 7.8 to 16
19

Alloy Composition

Cadmium (Cd), % 0.050 to 0.15
0
Carbon (C), % 0
0 to 0.020
Chromium (Cr), % 0
20.5 to 23
Copper (Cu), % 99.9 to 99.95
0.5 to 1.5
Iron (Fe), % 0
35.5 to 46.2
Manganese (Mn), % 0
0 to 3.0
Molybdenum (Mo), % 0
6.5 to 8.0
Nickel (Ni), % 0
26 to 28
Nitrogen (N), % 0
0.3 to 0.4
Phosphorus (P), % 0
0 to 0.030
Silicon (Si), % 0
0 to 0.5
Sulfur (S), % 0
0 to 0.010