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C10100 Copper vs. S40975 Stainless Steel

C10100 copper belongs to the copper alloys classification, while S40975 stainless steel belongs to the iron alloys. There are 29 material properties with values for both materials. Properties with values for just one material (7, in this case) are not shown.

For each property being compared, the top bar is C10100 copper and the bottom bar is S40975 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 120
190
Elongation at Break, % 1.5 to 50
22
Poisson's Ratio 0.34
0.28
Shear Modulus, GPa 43
75
Shear Strength, MPa 150 to 240
290
Tensile Strength: Ultimate (UTS), MPa 220 to 410
460
Tensile Strength: Yield (Proof), MPa 69 to 400
310

Thermal Properties

Latent Heat of Fusion, J/g 210
270
Maximum Temperature: Mechanical, °C 200
710
Melting Completion (Liquidus), °C 1080
1450
Melting Onset (Solidus), °C 1080
1400
Specific Heat Capacity, J/kg-K 390
480
Thermal Conductivity, W/m-K 390
26
Thermal Expansion, µm/m-K 17
10

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 100
2.9
Electrical Conductivity: Equal Weight (Specific), % IACS 100
3.3

Otherwise Unclassified Properties

Base Metal Price, % relative 31
6.5
Density, g/cm3 9.0
7.8
Embodied Carbon, kg CO2/kg material 2.6
2.0
Embodied Energy, MJ/kg 41
28
Embodied Water, L/kg 310
95

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 6.1 to 85
93
Resilience: Unit (Modulus of Resilience), kJ/m3 21 to 690
250
Stiffness to Weight: Axial, points 7.2
14
Stiffness to Weight: Bending, points 18
25
Strength to Weight: Axial, points 6.8 to 13
17
Strength to Weight: Bending, points 9.0 to 14
17
Thermal Diffusivity, mm2/s 110
7.0
Thermal Shock Resistance, points 7.8 to 15
17

Alloy Composition

Carbon (C), % 0
0 to 0.030
Chromium (Cr), % 0
10.5 to 11.7
Copper (Cu), % 99.99 to 100
0
Iron (Fe), % 0
84.4 to 89
Lead (Pb), % 0 to 0.0010
0
Manganese (Mn), % 0
0 to 1.0
Nickel (Ni), % 0
0.5 to 1.0
Nitrogen (N), % 0
0 to 0.030
Oxygen (O), % 0 to 0.00050
0
Phosphorus (P), % 0 to 0.00030
0 to 0.040
Silicon (Si), % 0
0 to 1.0
Sulfur (S), % 0
0 to 0.030
Titanium (Ti), % 0
0 to 0.75
Zinc (Zn), % 0 to 0.00010
0