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C17300 Copper vs. S32520 Stainless Steel

C17300 copper belongs to the copper alloys classification, while S32520 stainless steel belongs to the iron alloys. There are 28 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 C17300 copper and the bottom bar is S32520 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 120
200
Elongation at Break, % 3.0 to 23
28
Poisson's Ratio 0.33
0.27
Shear Modulus, GPa 45
80
Shear Strength, MPa 320 to 790
560
Tensile Strength: Ultimate (UTS), MPa 500 to 1380
860
Tensile Strength: Yield (Proof), MPa 160 to 1200
630

Thermal Properties

Latent Heat of Fusion, J/g 230
300
Maximum Temperature: Mechanical, °C 270
1100
Melting Completion (Liquidus), °C 980
1440
Melting Onset (Solidus), °C 870
1400
Specific Heat Capacity, J/kg-K 380
480
Thermal Conductivity, W/m-K 110
15
Thermal Expansion, µm/m-K 17
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 22
2.2
Electrical Conductivity: Equal Weight (Specific), % IACS 23
2.5

Otherwise Unclassified Properties

Density, g/cm3 8.8
7.8
Embodied Carbon, kg CO2/kg material 9.4
4.0
Embodied Energy, MJ/kg 150
55
Embodied Water, L/kg 310
180

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 40 to 88
220
Resilience: Unit (Modulus of Resilience), kJ/m3 110 to 5410
960
Stiffness to Weight: Axial, points 7.6
14
Stiffness to Weight: Bending, points 19
25
Strength to Weight: Axial, points 16 to 44
31
Strength to Weight: Bending, points 16 to 31
26
Thermal Diffusivity, mm2/s 32
4.1
Thermal Shock Resistance, points 17 to 48
24

Alloy Composition

Aluminum (Al), % 0 to 0.2
0
Beryllium (Be), % 1.8 to 2.0
0
Carbon (C), % 0
0 to 0.030
Chromium (Cr), % 0
24 to 26
Copper (Cu), % 95.5 to 97.8
0.5 to 2.0
Iron (Fe), % 0 to 0.4
57.3 to 66.8
Lead (Pb), % 0.2 to 0.6
0
Manganese (Mn), % 0
0 to 1.5
Molybdenum (Mo), % 0
3.0 to 4.0
Nickel (Ni), % 0.2 to 0.6
5.5 to 8.0
Nitrogen (N), % 0
0.2 to 0.35
Phosphorus (P), % 0
0 to 0.035
Silicon (Si), % 0 to 0.2
0 to 0.8
Sulfur (S), % 0
0 to 0.020
Residuals, % 0 to 0.5
0