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C12900 Copper vs. S31727 Stainless Steel

C12900 copper belongs to the copper alloys classification, while S31727 stainless steel belongs to the iron alloys. There are 25 material properties with values for both materials. Properties with values for just one material (11, in this case) are not shown.

For each property being compared, the top bar is C12900 copper and the bottom bar is S31727 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 120
200
Elongation at Break, % 2.8 to 50
40
Poisson's Ratio 0.34
0.28
Shear Modulus, GPa 43
78
Shear Strength, MPa 150 to 210
430
Tensile Strength: Ultimate (UTS), MPa 220 to 420
630
Tensile Strength: Yield (Proof), MPa 75 to 380
270

Thermal Properties

Latent Heat of Fusion, J/g 210
290
Maximum Temperature: Mechanical, °C 200
1010
Melting Completion (Liquidus), °C 1080
1440
Melting Onset (Solidus), °C 1030
1390
Specific Heat Capacity, J/kg-K 390
470
Thermal Expansion, µm/m-K 17
16

Otherwise Unclassified Properties

Base Metal Price, % relative 32
24
Density, g/cm3 9.0
8.0
Embodied Carbon, kg CO2/kg material 2.6
4.7
Embodied Energy, MJ/kg 41
64
Embodied Water, L/kg 330
180

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 11 to 88
200
Resilience: Unit (Modulus of Resilience), kJ/m3 24 to 640
190
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
Strength to Weight: Bending, points 9.1 to 14
20
Thermal Shock Resistance, points 7.8 to 15
14

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 0.030
Chromium (Cr), % 0
17.5 to 19
Copper (Cu), % 99.88 to 100
2.8 to 4.0
Iron (Fe), % 0
53.7 to 61.3
Lead (Pb), % 0 to 0.0040
0
Manganese (Mn), % 0
0 to 1.0
Molybdenum (Mo), % 0
3.8 to 4.5
Nickel (Ni), % 0 to 0.050
14.5 to 16.5
Nitrogen (N), % 0
0.15 to 0.21
Phosphorus (P), % 0
0 to 0.030
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