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C12900 Copper vs. S32654 Stainless Steel

C12900 copper belongs to the copper alloys classification, while S32654 stainless steel belongs to the iron alloys. There are 29 material properties with values for both materials. Properties with values for just one material (6, in this case) are not shown.

For each property being compared, the top bar is C12900 copper and the bottom bar is S32654 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 120
210
Elongation at Break, % 2.8 to 50
45
Poisson's Ratio 0.34
0.28
Shear Modulus, GPa 43
82
Shear Strength, MPa 150 to 210
590
Tensile Strength: Ultimate (UTS), MPa 220 to 420
850
Tensile Strength: Yield (Proof), MPa 75 to 380
490

Thermal Properties

Latent Heat of Fusion, J/g 210
310
Maximum Temperature: Mechanical, °C 200
1100
Melting Completion (Liquidus), °C 1080
1450
Melting Onset (Solidus), °C 1030
1410
Specific Heat Capacity, J/kg-K 390
460
Thermal Conductivity, W/m-K 380
11
Thermal Expansion, µm/m-K 17
15

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 98
2.2
Electrical Conductivity: Equal Weight (Specific), % IACS 98
2.5

Otherwise Unclassified Properties

Base Metal Price, % relative 32
34
Density, g/cm3 9.0
8.0
Embodied Carbon, kg CO2/kg material 2.6
6.4
Embodied Energy, MJ/kg 41
87
Embodied Water, L/kg 330
220

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 11 to 88
330
Resilience: Unit (Modulus of Resilience), kJ/m3 24 to 640
570
Stiffness to Weight: Axial, points 7.2
14
Stiffness to Weight: Bending, points 18
25
Strength to Weight: Axial, points 6.8 to 13
29
Strength to Weight: Bending, points 9.1 to 14
25
Thermal Diffusivity, mm2/s 110
2.9
Thermal Shock Resistance, points 7.8 to 15
19

Alloy Composition

Antimony (Sb), % 0 to 0.0030
0
Arsenic (As), % 0 to 0.012
0
Bismuth (Bi), % 0 to 0.0030
0
Carbon (C), % 0
0 to 0.020
Chromium (Cr), % 0
24 to 25
Copper (Cu), % 99.88 to 100
0.3 to 0.6
Iron (Fe), % 0
38.3 to 45.3
Lead (Pb), % 0 to 0.0040
0
Manganese (Mn), % 0
2.0 to 4.0
Molybdenum (Mo), % 0
7.0 to 8.0
Nickel (Ni), % 0 to 0.050
21 to 23
Nitrogen (N), % 0
0.45 to 0.55
Phosphorus (P), % 0
0 to 0.030
Silicon (Si), % 0
0 to 0.5
Silver (Ag), % 0 to 0.054
0
Sulfur (S), % 0
0 to 0.0050
Tellurium (Te), % 0 to 0.025
0