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C82400 Copper vs. S45000 Stainless Steel

C82400 copper belongs to the copper alloys classification, while S45000 stainless steel belongs to the iron alloys. There are 27 material properties with values for both materials. Properties with values for just one material (8, in this case) are not shown.

For each property being compared, the top bar is C82400 copper and the bottom bar is S45000 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 120
200
Elongation at Break, % 1.0 to 20
6.8 to 14
Poisson's Ratio 0.33
0.28
Shear Modulus, GPa 45
76
Tensile Strength: Ultimate (UTS), MPa 500 to 1030
980 to 1410
Tensile Strength: Yield (Proof), MPa 260 to 970
580 to 1310

Thermal Properties

Latent Heat of Fusion, J/g 230
280
Maximum Temperature: Mechanical, °C 270
840
Melting Completion (Liquidus), °C 1000
1440
Melting Onset (Solidus), °C 900
1390
Specific Heat Capacity, J/kg-K 380
480
Thermal Conductivity, W/m-K 130
17
Thermal Expansion, µm/m-K 17
11

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 25
2.2
Electrical Conductivity: Equal Weight (Specific), % IACS 26
2.5

Otherwise Unclassified Properties

Density, g/cm3 8.8
7.8
Embodied Carbon, kg CO2/kg material 8.9
2.8
Embodied Energy, MJ/kg 140
39
Embodied Water, L/kg 310
130

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 10 to 83
94 to 160
Resilience: Unit (Modulus of Resilience), kJ/m3 270 to 3870
850 to 4400
Stiffness to Weight: Axial, points 7.6
14
Stiffness to Weight: Bending, points 19
25
Strength to Weight: Axial, points 16 to 33
35 to 50
Strength to Weight: Bending, points 16 to 26
28 to 36
Thermal Diffusivity, mm2/s 39
4.5
Thermal Shock Resistance, points 17 to 36
33 to 47

Alloy Composition

Aluminum (Al), % 0 to 0.15
0
Beryllium (Be), % 1.6 to 1.9
0
Carbon (C), % 0
0 to 0.050
Chromium (Cr), % 0 to 0.1
14 to 16
Cobalt (Co), % 0.2 to 0.65
0
Copper (Cu), % 96 to 98.2
1.3 to 1.8
Iron (Fe), % 0 to 0.2
72.1 to 79.3
Lead (Pb), % 0 to 0.020
0
Manganese (Mn), % 0
0 to 1.0
Molybdenum (Mo), % 0
0.5 to 1.0
Nickel (Ni), % 0 to 0.2
5.0 to 7.0
Phosphorus (P), % 0
0 to 0.040
Silicon (Si), % 0
0 to 1.0
Sulfur (S), % 0
0 to 0.030
Tin (Sn), % 0 to 0.1
0
Titanium (Ti), % 0 to 0.12
0
Zinc (Zn), % 0 to 0.1
0
Residuals, % 0 to 0.5
0