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C12900 Copper vs. S35140 Stainless Steel

C12900 copper belongs to the copper alloys classification, while S35140 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 S35140 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 120
200
Elongation at Break, % 2.8 to 50
34
Poisson's Ratio 0.34
0.28
Shear Modulus, GPa 43
78
Shear Strength, MPa 150 to 210
460
Tensile Strength: Ultimate (UTS), MPa 220 to 420
690
Tensile Strength: Yield (Proof), MPa 75 to 380
310

Thermal Properties

Latent Heat of Fusion, J/g 210
300
Maximum Temperature: Mechanical, °C 200
1100
Melting Completion (Liquidus), °C 1080
1420
Melting Onset (Solidus), °C 1030
1370
Specific Heat Capacity, J/kg-K 390
470
Thermal Conductivity, W/m-K 380
14
Thermal Expansion, µm/m-K 17
16

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 98
1.7
Electrical Conductivity: Equal Weight (Specific), % IACS 98
1.9

Otherwise Unclassified Properties

Base Metal Price, % relative 32
31
Density, g/cm3 9.0
8.0
Embodied Carbon, kg CO2/kg material 2.6
5.5
Embodied Energy, MJ/kg 41
78
Embodied Water, L/kg 330
190

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 11 to 88
190
Resilience: Unit (Modulus of Resilience), kJ/m3 24 to 640
250
Stiffness to Weight: Axial, points 7.2
14
Stiffness to Weight: Bending, points 18
24
Strength to Weight: Axial, points 6.8 to 13
24
Strength to Weight: Bending, points 9.1 to 14
22
Thermal Diffusivity, mm2/s 110
3.7
Thermal Shock Resistance, points 7.8 to 15
16

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 0.1
Chromium (Cr), % 0
20 to 22
Copper (Cu), % 99.88 to 100
0
Iron (Fe), % 0
44.1 to 52.7
Lead (Pb), % 0 to 0.0040
0
Manganese (Mn), % 0
1.0 to 3.0
Molybdenum (Mo), % 0
1.0 to 2.0
Nickel (Ni), % 0 to 0.050
25 to 27
Niobium (Nb), % 0
0.25 to 0.75
Nitrogen (N), % 0
0.080 to 0.2
Phosphorus (P), % 0
0 to 0.045
Silicon (Si), % 0
0 to 0.75
Silver (Ag), % 0 to 0.054
0
Sulfur (S), % 0
0 to 0.030
Tellurium (Te), % 0 to 0.025
0