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C10800 Copper vs. N08904 Stainless Steel

C10800 copper belongs to the copper alloys classification, while N08904 stainless steel belongs to the iron alloys. There are 30 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 C10800 copper and the bottom bar is N08904 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 120
200
Elongation at Break, % 4.0 to 50
38
Poisson's Ratio 0.34
0.28
Rockwell B Hardness 10 to 60
77
Shear Modulus, GPa 43
79
Shear Strength, MPa 150 to 200
370
Tensile Strength: Ultimate (UTS), MPa 220 to 380
540
Tensile Strength: Yield (Proof), MPa 75 to 370
240

Thermal Properties

Latent Heat of Fusion, J/g 210
300
Maximum Temperature: Mechanical, °C 200
1100
Melting Completion (Liquidus), °C 1080
1440
Melting Onset (Solidus), °C 1080
1390
Specific Heat Capacity, J/kg-K 390
470
Thermal Conductivity, W/m-K 350
12
Thermal Expansion, µm/m-K 17
16

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 92
1.7
Electrical Conductivity: Equal Weight (Specific), % IACS 92
1.9

Otherwise Unclassified Properties

Base Metal Price, % relative 31
32
Density, g/cm3 9.0
8.1
Embodied Carbon, kg CO2/kg material 2.6
5.8
Embodied Energy, MJ/kg 41
79
Embodied Water, L/kg 310
200

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 15 to 88
170
Resilience: Unit (Modulus of Resilience), kJ/m3 24 to 600
150
Stiffness to Weight: Axial, points 7.2
14
Stiffness to Weight: Bending, points 18
24
Strength to Weight: Axial, points 6.8 to 12
19
Strength to Weight: Bending, points 9.1 to 13
18
Thermal Diffusivity, mm2/s 100
3.1
Thermal Shock Resistance, points 7.8 to 13
12

Alloy Composition

Carbon (C), % 0
0 to 0.020
Chromium (Cr), % 0
19 to 23
Copper (Cu), % 99.95 to 99.995
1.0 to 2.0
Iron (Fe), % 0
38.8 to 53
Manganese (Mn), % 0
0 to 2.0
Molybdenum (Mo), % 0
4.0 to 5.0
Nickel (Ni), % 0
23 to 28
Nitrogen (N), % 0
0 to 0.1
Phosphorus (P), % 0.0050 to 0.012
0 to 0.045
Silicon (Si), % 0
0 to 1.0
Sulfur (S), % 0
0 to 0.035