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N08904 Stainless Steel vs. C96700 Copper

N08904 stainless steel belongs to the iron alloys classification, while C96700 copper belongs to the copper alloys. They have a modest 28% of their average alloy composition in common, which, by itself, doesn't mean much. There are 26 material properties with values for both materials. Properties with values for just one material (9, in this case) are not shown.

For each property being compared, the top bar is N08904 stainless steel and the bottom bar is C96700 copper.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
140
Elongation at Break, % 38
10
Poisson's Ratio 0.28
0.33
Shear Modulus, GPa 79
53
Tensile Strength: Ultimate (UTS), MPa 540
1210
Tensile Strength: Yield (Proof), MPa 240
550

Thermal Properties

Latent Heat of Fusion, J/g 300
250
Maximum Temperature: Mechanical, °C 1100
310
Melting Completion (Liquidus), °C 1440
1170
Melting Onset (Solidus), °C 1390
1110
Specific Heat Capacity, J/kg-K 470
400
Thermal Conductivity, W/m-K 12
30
Thermal Expansion, µm/m-K 16
15

Otherwise Unclassified Properties

Base Metal Price, % relative 32
90
Density, g/cm3 8.1
8.8
Embodied Carbon, kg CO2/kg material 5.8
9.5
Embodied Energy, MJ/kg 79
140
Embodied Water, L/kg 200
280

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 170
99
Resilience: Unit (Modulus of Resilience), kJ/m3 150
1080
Stiffness to Weight: Axial, points 14
8.9
Stiffness to Weight: Bending, points 24
20
Strength to Weight: Axial, points 19
38
Strength to Weight: Bending, points 18
29
Thermal Diffusivity, mm2/s 3.1
8.5
Thermal Shock Resistance, points 12
40

Alloy Composition

Beryllium (Be), % 0
1.1 to 1.2
Carbon (C), % 0 to 0.020
0
Chromium (Cr), % 19 to 23
0
Copper (Cu), % 1.0 to 2.0
62.4 to 68.8
Iron (Fe), % 38.8 to 53
0.4 to 1.0
Lead (Pb), % 0
0 to 0.010
Manganese (Mn), % 0 to 2.0
0.4 to 1.0
Molybdenum (Mo), % 4.0 to 5.0
0
Nickel (Ni), % 23 to 28
29 to 33
Nitrogen (N), % 0 to 0.1
0
Phosphorus (P), % 0 to 0.045
0
Silicon (Si), % 0 to 1.0
0 to 0.15
Sulfur (S), % 0 to 0.035
0
Titanium (Ti), % 0
0.15 to 0.35
Zirconium (Zr), % 0
0.15 to 0.35
Residuals, % 0
0 to 0.5