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C96800 Copper vs. S40977 Stainless Steel

C96800 copper belongs to the copper alloys classification, while S40977 stainless steel belongs to the iron alloys. There are 28 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 C96800 copper and the bottom bar is S40977 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 120
190
Elongation at Break, % 3.4
21
Poisson's Ratio 0.34
0.28
Shear Modulus, GPa 46
76
Tensile Strength: Ultimate (UTS), MPa 1010
510
Tensile Strength: Yield (Proof), MPa 860
310

Thermal Properties

Latent Heat of Fusion, J/g 220
270
Maximum Temperature: Mechanical, °C 220
720
Melting Completion (Liquidus), °C 1120
1440
Melting Onset (Solidus), °C 1060
1400
Specific Heat Capacity, J/kg-K 390
480
Thermal Conductivity, W/m-K 52
25
Thermal Expansion, µm/m-K 17
10

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 10
2.9
Electrical Conductivity: Equal Weight (Specific), % IACS 10
3.3

Otherwise Unclassified Properties

Base Metal Price, % relative 34
6.5
Density, g/cm3 8.9
7.8
Embodied Carbon, kg CO2/kg material 3.4
1.9
Embodied Energy, MJ/kg 52
27
Embodied Water, L/kg 300
97

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 33
92
Resilience: Unit (Modulus of Resilience), kJ/m3 3000
250
Stiffness to Weight: Axial, points 7.6
14
Stiffness to Weight: Bending, points 19
25
Strength to Weight: Axial, points 32
18
Strength to Weight: Bending, points 25
18
Thermal Diffusivity, mm2/s 15
6.7
Thermal Shock Resistance, points 35
18

Alloy Composition

Aluminum (Al), % 0 to 0.1
0
Antimony (Sb), % 0 to 0.020
0
Carbon (C), % 0
0 to 0.030
Chromium (Cr), % 0
10.5 to 12.5
Copper (Cu), % 87.1 to 90.5
0
Iron (Fe), % 0 to 0.5
83.9 to 89.2
Lead (Pb), % 0 to 0.0050
0
Manganese (Mn), % 0.050 to 0.3
0 to 1.5
Nickel (Ni), % 9.5 to 10.5
0.3 to 1.0
Nitrogen (N), % 0
0 to 0.030
Phosphorus (P), % 0 to 0.0050
0 to 0.040
Silicon (Si), % 0
0 to 1.0
Sulfur (S), % 0 to 0.0025
0 to 0.015
Zinc (Zn), % 0 to 1.0
0
Residuals, % 0 to 0.5
0