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C55181 Copper vs. S44537 Stainless Steel

C55181 copper belongs to the copper alloys classification, while S44537 stainless steel belongs to the iron alloys. There are 20 material properties with values for both materials. Properties with values for just one material (15, in this case) are not shown.

For each property being compared, the top bar is C55181 copper and the bottom bar is S44537 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
200
Poisson's Ratio 0.34
0.27
Shear Modulus, GPa 40
79
Tensile Strength: Ultimate (UTS), MPa 200
510

Thermal Properties

Latent Heat of Fusion, J/g 190
290
Maximum Temperature: Mechanical, °C 200
1000
Melting Completion (Liquidus), °C 790
1480
Melting Onset (Solidus), °C 710
1430
Specific Heat Capacity, J/kg-K 410
470
Thermal Expansion, µm/m-K 16
11

Otherwise Unclassified Properties

Base Metal Price, % relative 28
19
Density, g/cm3 8.5
7.9
Embodied Carbon, kg CO2/kg material 2.4
3.4
Embodied Energy, MJ/kg 38
50
Embodied Water, L/kg 290
140

Common Calculations

Stiffness to Weight: Axial, points 7.0
14
Stiffness to Weight: Bending, points 19
25
Strength to Weight: Axial, points 6.5
18
Strength to Weight: Bending, points 8.9
18
Thermal Shock Resistance, points 8.2
17

Alloy Composition

Aluminum (Al), % 0
0 to 0.1
Carbon (C), % 0
0 to 0.030
Chromium (Cr), % 0
20 to 24
Copper (Cu), % 92.4 to 93
0 to 0.5
Iron (Fe), % 0
69 to 78.6
Lanthanum (La), % 0
0.040 to 0.2
Manganese (Mn), % 0
0 to 0.8
Nickel (Ni), % 0
0 to 0.5
Niobium (Nb), % 0
0.2 to 1.0
Nitrogen (N), % 0
0 to 0.040
Phosphorus (P), % 7.0 to 7.5
0 to 0.050
Silicon (Si), % 0
0.1 to 0.6
Sulfur (S), % 0
0 to 0.0060
Titanium (Ti), % 0
0.020 to 0.2
Tungsten (W), % 0
1.0 to 3.0
Residuals, % 0 to 0.15
0