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C10300 Copper vs. S31100 Stainless Steel

C10300 copper belongs to the copper alloys classification, while S31100 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 C10300 copper and the bottom bar is S31100 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 120
200
Elongation at Break, % 2.6 to 50
4.5
Poisson's Ratio 0.34
0.27
Shear Modulus, GPa 43
79
Shear Strength, MPa 160 to 240
580
Tensile Strength: Ultimate (UTS), MPa 230 to 410
1000
Tensile Strength: Yield (Proof), MPa 77 to 400
710

Thermal Properties

Latent Heat of Fusion, J/g 210
300
Maximum Temperature: Mechanical, °C 200
1100
Melting Completion (Liquidus), °C 1080
1420
Melting Onset (Solidus), °C 1080
1380
Specific Heat Capacity, J/kg-K 390
480
Thermal Conductivity, W/m-K 390
16
Thermal Expansion, µm/m-K 17
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 99
2.0
Electrical Conductivity: Equal Weight (Specific), % IACS 99
2.4

Otherwise Unclassified Properties

Base Metal Price, % relative 31
16
Density, g/cm3 9.0
7.7
Embodied Carbon, kg CO2/kg material 2.6
3.1
Embodied Energy, MJ/kg 41
44
Embodied Water, L/kg 310
170

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 9.4 to 91
40
Resilience: Unit (Modulus of Resilience), kJ/m3 25 to 690
1240
Stiffness to Weight: Axial, points 7.2
14
Stiffness to Weight: Bending, points 18
25
Strength to Weight: Axial, points 7.2 to 13
36
Strength to Weight: Bending, points 9.4 to 14
29
Thermal Diffusivity, mm2/s 110
4.2
Thermal Shock Resistance, points 8.2 to 15
28

Alloy Composition

Carbon (C), % 0
0 to 0.060
Chromium (Cr), % 0
25 to 27
Copper (Cu), % 99.95 to 99.999
0
Iron (Fe), % 0
63.6 to 69
Manganese (Mn), % 0
0 to 1.0
Nickel (Ni), % 0
6.0 to 7.0
Phosphorus (P), % 0.0010 to 0.0050
0 to 0.045
Silicon (Si), % 0
0 to 1.0
Sulfur (S), % 0
0 to 0.030
Titanium (Ti), % 0
0 to 0.25