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C14510 Copper vs. S44625 Stainless Steel

C14510 copper belongs to the copper alloys classification, while S44625 stainless steel belongs to the iron alloys. There are 27 material properties with values for both materials. Properties with values for just one material (5, in this case) are not shown.

For each property being compared, the top bar is C14510 copper and the bottom bar is S44625 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 120
200
Elongation at Break, % 9.1 to 9.6
22
Poisson's Ratio 0.34
0.27
Shear Modulus, GPa 43
80
Shear Strength, MPa 180 to 190
370
Tensile Strength: Ultimate (UTS), MPa 300 to 320
590
Tensile Strength: Yield (Proof), MPa 230 to 250
360

Thermal Properties

Latent Heat of Fusion, J/g 210
290
Maximum Temperature: Mechanical, °C 200
1100
Melting Completion (Liquidus), °C 1080
1440
Melting Onset (Solidus), °C 1050
1400
Specific Heat Capacity, J/kg-K 390
480
Thermal Conductivity, W/m-K 360
17
Thermal Expansion, µm/m-K 17
11

Otherwise Unclassified Properties

Base Metal Price, % relative 33
14
Density, g/cm3 8.9
7.7
Embodied Carbon, kg CO2/kg material 2.6
2.8
Embodied Energy, MJ/kg 42
39
Embodied Water, L/kg 310
160

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 25 to 29
110
Resilience: Unit (Modulus of Resilience), kJ/m3 230 to 280
310
Stiffness to Weight: Axial, points 7.2
15
Stiffness to Weight: Bending, points 18
25
Strength to Weight: Axial, points 9.2 to 10
21
Strength to Weight: Bending, points 11 to 12
20
Thermal Diffusivity, mm2/s 100
4.6
Thermal Shock Resistance, points 11 to 12
19

Alloy Composition

Carbon (C), % 0
0 to 0.010
Chromium (Cr), % 0
25 to 27.5
Copper (Cu), % 99.15 to 99.69
0 to 0.2
Iron (Fe), % 0
69.4 to 74.3
Lead (Pb), % 0 to 0.050
0
Manganese (Mn), % 0
0 to 0.4
Molybdenum (Mo), % 0
0.75 to 1.5
Nickel (Ni), % 0
0 to 0.5
Nitrogen (N), % 0
0 to 0.015
Phosphorus (P), % 0.010 to 0.030
0 to 0.020
Silicon (Si), % 0
0 to 0.4
Sulfur (S), % 0
0 to 0.020
Tellurium (Te), % 0.3 to 0.7
0