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C18200 Copper vs. N08031 Stainless Steel

C18200 copper belongs to the copper alloys classification, while N08031 stainless steel belongs to the iron alloys. There are 27 material properties with values for both materials. Properties with values for just one material (6, in this case) are not shown.

For each property being compared, the top bar is C18200 copper and the bottom bar is N08031 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 120
210
Elongation at Break, % 11 to 40
45
Poisson's Ratio 0.34
0.28
Shear Modulus, GPa 44
81
Shear Strength, MPa 210 to 320
510
Tensile Strength: Ultimate (UTS), MPa 310 to 530
730
Tensile Strength: Yield (Proof), MPa 97 to 450
310

Thermal Properties

Latent Heat of Fusion, J/g 210
310
Maximum Temperature: Mechanical, °C 200
1100
Melting Completion (Liquidus), °C 1080
1440
Melting Onset (Solidus), °C 1070
1390
Specific Heat Capacity, J/kg-K 390
460
Thermal Conductivity, W/m-K 320
12
Thermal Expansion, µm/m-K 18
18

Otherwise Unclassified Properties

Base Metal Price, % relative 31
39
Density, g/cm3 8.9
8.1
Embodied Carbon, kg CO2/kg material 2.6
7.1
Embodied Energy, MJ/kg 41
96
Embodied Water, L/kg 310
240

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 43 to 96
270
Resilience: Unit (Modulus of Resilience), kJ/m3 40 to 860
230
Stiffness to Weight: Axial, points 7.3
14
Stiffness to Weight: Bending, points 18
24
Strength to Weight: Axial, points 9.6 to 16
25
Strength to Weight: Bending, points 11 to 16
22
Thermal Diffusivity, mm2/s 93
3.1
Thermal Shock Resistance, points 11 to 18
14

Alloy Composition

Carbon (C), % 0
0 to 0.015
Chromium (Cr), % 0.6 to 1.2
26 to 28
Copper (Cu), % 98.6 to 99.4
1.0 to 1.4
Iron (Fe), % 0 to 0.1
29 to 36.9
Lead (Pb), % 0 to 0.050
0
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), % 0
0 to 0.020
Silicon (Si), % 0 to 0.1
0 to 0.3
Sulfur (S), % 0
0 to 0.010