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C11100 Copper vs. S44735 Stainless Steel

C11100 copper belongs to the copper alloys classification, while S44735 stainless steel belongs to the iron alloys. There are 25 material properties with values for both materials. Properties with values for just one material (9, in this case) are not shown.

For each property being compared, the top bar is C11100 copper and the bottom bar is S44735 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 120
210
Elongation at Break, % 1.5
21
Poisson's Ratio 0.34
0.27
Shear Modulus, GPa 44
82
Shear Strength, MPa 230
390
Tensile Strength: Ultimate (UTS), MPa 460
630
Tensile Strength: Yield (Proof), MPa 420
460

Thermal Properties

Latent Heat of Fusion, J/g 210
310
Maximum Temperature: Mechanical, °C 200
1100
Melting Completion (Liquidus), °C 1080
1460
Melting Onset (Solidus), °C 1070
1420
Specific Heat Capacity, J/kg-K 390
480
Thermal Expansion, µm/m-K 17
11

Otherwise Unclassified Properties

Base Metal Price, % relative 31
21
Density, g/cm3 9.0
7.7
Embodied Carbon, kg CO2/kg material 2.6
4.4
Embodied Energy, MJ/kg 41
61
Embodied Water, L/kg 310
180

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 6.6
120
Resilience: Unit (Modulus of Resilience), kJ/m3 750
520
Stiffness to Weight: Axial, points 7.2
15
Stiffness to Weight: Bending, points 18
26
Strength to Weight: Axial, points 14
23
Strength to Weight: Bending, points 15
21
Thermal Shock Resistance, points 16
20

Alloy Composition

Carbon (C), % 0
0 to 0.030
Chromium (Cr), % 0
28 to 30
Copper (Cu), % 99.9 to 100
0
Iron (Fe), % 0
60.7 to 68.4
Manganese (Mn), % 0
0 to 1.0
Molybdenum (Mo), % 0
3.6 to 4.2
Nickel (Ni), % 0
0 to 1.0
Niobium (Nb), % 0
0.2 to 1.0
Nitrogen (N), % 0
0 to 0.045
Phosphorus (P), % 0
0 to 0.040
Silicon (Si), % 0
0 to 1.0
Sulfur (S), % 0
0 to 0.030
Titanium (Ti), % 0
0.2 to 1.0
Residuals, % 0 to 0.1
0