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C12900 Copper vs. S66286 Stainless Steel

C12900 copper belongs to the copper alloys classification, while S66286 stainless steel belongs to the iron alloys. There are 29 material properties with values for both materials. Properties with values for just one material (4, in this case) are not shown.

For each property being compared, the top bar is C12900 copper and the bottom bar is S66286 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 120
190
Elongation at Break, % 2.8 to 50
17 to 40
Poisson's Ratio 0.34
0.29
Shear Modulus, GPa 43
75
Shear Strength, MPa 150 to 210
420 to 630
Tensile Strength: Ultimate (UTS), MPa 220 to 420
620 to 1020
Tensile Strength: Yield (Proof), MPa 75 to 380
280 to 670

Thermal Properties

Latent Heat of Fusion, J/g 210
300
Maximum Temperature: Mechanical, °C 200
920
Melting Completion (Liquidus), °C 1080
1430
Melting Onset (Solidus), °C 1030
1370
Specific Heat Capacity, J/kg-K 390
470
Thermal Conductivity, W/m-K 380
15
Thermal Expansion, µm/m-K 17
17

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 98
1.9
Electrical Conductivity: Equal Weight (Specific), % IACS 98
2.2

Otherwise Unclassified Properties

Base Metal Price, % relative 32
26
Density, g/cm3 9.0
7.9
Embodied Carbon, kg CO2/kg material 2.6
6.0
Embodied Energy, MJ/kg 41
87
Embodied Water, L/kg 330
170

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 11 to 88
150 to 200
Resilience: Unit (Modulus of Resilience), kJ/m3 24 to 640
190 to 1150
Stiffness to Weight: Axial, points 7.2
14
Stiffness to Weight: Bending, points 18
24
Strength to Weight: Axial, points 6.8 to 13
22 to 36
Strength to Weight: Bending, points 9.1 to 14
20 to 28
Thermal Diffusivity, mm2/s 110
4.0
Thermal Shock Resistance, points 7.8 to 15
13 to 22

Alloy Composition

Aluminum (Al), % 0
0 to 0.35
Antimony (Sb), % 0 to 0.0030
0
Arsenic (As), % 0 to 0.012
0
Bismuth (Bi), % 0 to 0.0030
0
Boron (B), % 0
0.0010 to 0.010
Carbon (C), % 0
0 to 0.080
Chromium (Cr), % 0
13.5 to 16
Copper (Cu), % 99.88 to 100
0
Iron (Fe), % 0
49.1 to 59.5
Lead (Pb), % 0 to 0.0040
0
Manganese (Mn), % 0
0 to 2.0
Molybdenum (Mo), % 0
1.0 to 1.5
Nickel (Ni), % 0 to 0.050
24 to 27
Phosphorus (P), % 0
0 to 0.040
Silicon (Si), % 0
0 to 1.0
Silver (Ag), % 0 to 0.054
0
Sulfur (S), % 0
0 to 0.030
Tellurium (Te), % 0 to 0.025
0
Titanium (Ti), % 0
1.9 to 2.4
Vanadium (V), % 0
0.1 to 0.5