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C14520 Copper vs. S21600 Stainless Steel

C14520 copper belongs to the copper alloys classification, while S21600 stainless steel belongs to the iron 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 C14520 copper and the bottom bar is S21600 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 120
200
Elongation at Break, % 9.0 to 9.6
46
Poisson's Ratio 0.34
0.28
Shear Modulus, GPa 43
79
Shear Strength, MPa 170 to 190
500
Tensile Strength: Ultimate (UTS), MPa 290 to 330
710
Tensile Strength: Yield (Proof), MPa 230 to 250
390

Thermal Properties

Latent Heat of Fusion, J/g 210
290
Maximum Temperature: Mechanical, °C 200
990
Melting Completion (Liquidus), °C 1080
1420
Melting Onset (Solidus), °C 1050
1380
Specific Heat Capacity, J/kg-K 390
480
Thermal Expansion, µm/m-K 17
17

Otherwise Unclassified Properties

Base Metal Price, % relative 33
17
Density, g/cm3 8.9
7.7
Embodied Carbon, kg CO2/kg material 2.6
3.6
Embodied Energy, MJ/kg 42
50
Embodied Water, L/kg 310
160

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 24 to 29
270
Resilience: Unit (Modulus of Resilience), kJ/m3 240 to 280
370
Stiffness to Weight: Axial, points 7.2
14
Stiffness to Weight: Bending, points 18
25
Strength to Weight: Axial, points 9.0 to 10
25
Strength to Weight: Bending, points 11 to 12
23
Thermal Shock Resistance, points 10 to 12
15

Alloy Composition

Carbon (C), % 0
0 to 0.080
Chromium (Cr), % 0
17.5 to 22
Copper (Cu), % 99.2 to 99.596
0
Iron (Fe), % 0
57.6 to 67.8
Manganese (Mn), % 0
7.5 to 9.0
Molybdenum (Mo), % 0
2.0 to 3.0
Nickel (Ni), % 0
5.0 to 7.0
Nitrogen (N), % 0
0.25 to 0.5
Phosphorus (P), % 0.0040 to 0.020
0 to 0.045
Silicon (Si), % 0
0 to 0.75
Sulfur (S), % 0
0 to 0.030
Tellurium (Te), % 0.4 to 0.7
0