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C55181 Copper vs. N08031 Stainless Steel

C55181 copper belongs to the copper alloys classification, while N08031 stainless steel belongs to the iron alloys. There are 20 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 C55181 copper and the bottom bar is N08031 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
210
Poisson's Ratio 0.34
0.28
Shear Modulus, GPa 40
81
Tensile Strength: Ultimate (UTS), MPa 200
730

Thermal Properties

Latent Heat of Fusion, J/g 190
310
Maximum Temperature: Mechanical, °C 200
1100
Melting Completion (Liquidus), °C 790
1440
Melting Onset (Solidus), °C 710
1390
Specific Heat Capacity, J/kg-K 410
460
Thermal Expansion, µm/m-K 16
18

Otherwise Unclassified Properties

Base Metal Price, % relative 28
39
Density, g/cm3 8.5
8.1
Embodied Carbon, kg CO2/kg material 2.4
7.1
Embodied Energy, MJ/kg 38
96
Embodied Water, L/kg 290
240

Common Calculations

Stiffness to Weight: Axial, points 7.0
14
Stiffness to Weight: Bending, points 19
24
Strength to Weight: Axial, points 6.5
25
Strength to Weight: Bending, points 8.9
22
Thermal Shock Resistance, points 8.2
14

Alloy Composition

Carbon (C), % 0
0 to 0.015
Chromium (Cr), % 0
26 to 28
Copper (Cu), % 92.4 to 93
1.0 to 1.4
Iron (Fe), % 0
29 to 36.9
Manganese (Mn), % 0
0 to 2.0
Molybdenum (Mo), % 0
6.0 to 7.0
Nickel (Ni), % 0
30 to 32
Nitrogen (N), % 0
0.15 to 0.25
Phosphorus (P), % 7.0 to 7.5
0 to 0.020
Silicon (Si), % 0
0 to 0.3
Sulfur (S), % 0
0 to 0.010
Residuals, % 0 to 0.15
0