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C14510 Copper vs. S20161 Stainless Steel

C14510 copper belongs to the copper alloys classification, while S20161 stainless steel belongs to the iron alloys. There are 27 material properties with values for both materials. Properties with values for just one material (8, in this case) are not shown.

For each property being compared, the top bar is C14510 copper and the bottom bar is S20161 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 120
190
Elongation at Break, % 9.1 to 9.6
46
Poisson's Ratio 0.34
0.28
Shear Modulus, GPa 43
76
Shear Strength, MPa 180 to 190
690
Tensile Strength: Ultimate (UTS), MPa 300 to 320
980
Tensile Strength: Yield (Proof), MPa 230 to 250
390

Thermal Properties

Latent Heat of Fusion, J/g 210
330
Maximum Temperature: Mechanical, °C 200
870
Melting Completion (Liquidus), °C 1080
1380
Melting Onset (Solidus), °C 1050
1330
Specific Heat Capacity, J/kg-K 390
490
Thermal Conductivity, W/m-K 360
15
Thermal Expansion, µm/m-K 17
16

Otherwise Unclassified Properties

Base Metal Price, % relative 33
12
Density, g/cm3 8.9
7.5
Embodied Carbon, kg CO2/kg material 2.6
2.7
Embodied Energy, MJ/kg 42
39
Embodied Water, L/kg 310
130

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 25 to 29
360
Resilience: Unit (Modulus of Resilience), kJ/m3 230 to 280
390
Stiffness to Weight: Axial, points 7.2
14
Stiffness to Weight: Bending, points 18
26
Strength to Weight: Axial, points 9.2 to 10
36
Strength to Weight: Bending, points 11 to 12
29
Thermal Diffusivity, mm2/s 100
4.0
Thermal Shock Resistance, points 11 to 12
22

Alloy Composition

Carbon (C), % 0
0 to 0.15
Chromium (Cr), % 0
15 to 18
Copper (Cu), % 99.15 to 99.69
0
Iron (Fe), % 0
65.6 to 73.9
Lead (Pb), % 0 to 0.050
0
Manganese (Mn), % 0
4.0 to 6.0
Nickel (Ni), % 0
4.0 to 6.0
Nitrogen (N), % 0
0.080 to 0.2
Phosphorus (P), % 0.010 to 0.030
0 to 0.040
Silicon (Si), % 0
3.0 to 4.0
Sulfur (S), % 0
0 to 0.040
Tellurium (Te), % 0.3 to 0.7
0