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C14520 Copper vs. S20910 Stainless Steel

C14520 copper belongs to the copper alloys classification, while S20910 stainless steel belongs to the iron alloys. There are 27 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 C14520 copper and the bottom bar is S20910 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 120
200
Elongation at Break, % 9.0 to 9.6
14 to 39
Poisson's Ratio 0.34
0.28
Shear Modulus, GPa 43
79
Shear Strength, MPa 170 to 190
500 to 570
Tensile Strength: Ultimate (UTS), MPa 290 to 330
780 to 940
Tensile Strength: Yield (Proof), MPa 230 to 250
430 to 810

Thermal Properties

Latent Heat of Fusion, J/g 210
300
Maximum Temperature: Mechanical, °C 200
1080
Melting Completion (Liquidus), °C 1080
1420
Melting Onset (Solidus), °C 1050
1380
Specific Heat Capacity, J/kg-K 390
480
Thermal Conductivity, W/m-K 320
13
Thermal Expansion, µm/m-K 17
16

Otherwise Unclassified Properties

Base Metal Price, % relative 33
22
Density, g/cm3 8.9
7.8
Embodied Carbon, kg CO2/kg material 2.6
4.8
Embodied Energy, MJ/kg 42
68
Embodied Water, L/kg 310
180

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 24 to 29
120 to 260
Resilience: Unit (Modulus of Resilience), kJ/m3 240 to 280
460 to 1640
Stiffness to Weight: Axial, points 7.2
14
Stiffness to Weight: Bending, points 18
25
Strength to Weight: Axial, points 9.0 to 10
28 to 33
Strength to Weight: Bending, points 11 to 12
24 to 27
Thermal Diffusivity, mm2/s 94
3.6
Thermal Shock Resistance, points 10 to 12
17 to 21

Alloy Composition

Carbon (C), % 0
0 to 0.060
Chromium (Cr), % 0
20.5 to 23.5
Copper (Cu), % 99.2 to 99.596
0
Iron (Fe), % 0
52.1 to 62.1
Manganese (Mn), % 0
4.0 to 6.0
Molybdenum (Mo), % 0
1.5 to 3.0
Nickel (Ni), % 0
11.5 to 13.5
Niobium (Nb), % 0
0.1 to 0.3
Nitrogen (N), % 0
0.2 to 0.4
Phosphorus (P), % 0.0040 to 0.020
0 to 0.040
Silicon (Si), % 0
0 to 0.75
Sulfur (S), % 0
0 to 0.030
Tellurium (Te), % 0.4 to 0.7
0
Vanadium (V), % 0
0.1 to 0.3