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C11400 Copper vs. S45500 Stainless Steel

C11400 copper belongs to the copper alloys classification, while S45500 stainless steel belongs to the iron alloys. There are 24 material properties with values for both materials. Properties with values for just one material (14, in this case) are not shown.

For each property being compared, the top bar is C11400 copper and the bottom bar is S45500 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 120
190
Elongation at Break, % 2.8 to 51
3.4 to 11
Poisson's Ratio 0.34
0.28
Shear Modulus, GPa 43
75
Shear Strength, MPa 150 to 210
790 to 1090
Tensile Strength: Ultimate (UTS), MPa 220 to 400
1370 to 1850
Tensile Strength: Yield (Proof), MPa 75 to 400
1240 to 1700

Thermal Properties

Latent Heat of Fusion, J/g 210
270
Maximum Temperature: Mechanical, °C 200
760
Melting Completion (Liquidus), °C 1080
1440
Melting Onset (Solidus), °C 1030
1400
Specific Heat Capacity, J/kg-K 390
470
Thermal Expansion, µm/m-K 17
11

Otherwise Unclassified Properties

Base Metal Price, % relative 32
17
Density, g/cm3 9.0
7.9
Embodied Carbon, kg CO2/kg material 2.6
3.8
Embodied Energy, MJ/kg 42
57
Embodied Water, L/kg 350
120

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 11 to 90
45 to 190
Stiffness to Weight: Axial, points 7.2
14
Stiffness to Weight: Bending, points 18
24
Strength to Weight: Axial, points 6.8 to 12
48 to 65
Strength to Weight: Bending, points 9.1 to 14
35 to 42
Thermal Shock Resistance, points 7.8 to 14
48 to 64

Alloy Composition

Carbon (C), % 0
0 to 0.050
Chromium (Cr), % 0
11 to 12.5
Copper (Cu), % 99.84 to 99.966
1.5 to 2.5
Iron (Fe), % 0
71.5 to 79.2
Manganese (Mn), % 0
0 to 0.5
Molybdenum (Mo), % 0
0 to 0.5
Nickel (Ni), % 0
7.5 to 9.5
Niobium (Nb), % 0
0 to 0.5
Phosphorus (P), % 0
0 to 0.040
Silicon (Si), % 0
0 to 0.5
Silver (Ag), % 0.034 to 0.060
0
Sulfur (S), % 0
0 to 0.030
Tantalum (Ta), % 0
0 to 0.5
Titanium (Ti), % 0
0.8 to 1.4
Residuals, % 0 to 0.1
0