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C17000 Copper vs. S32654 Stainless Steel

C17000 copper belongs to the copper alloys classification, while S32654 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 C17000 copper and the bottom bar is S32654 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 120
210
Elongation at Break, % 1.1 to 31
45
Poisson's Ratio 0.33
0.28
Shear Modulus, GPa 45
82
Shear Strength, MPa 320 to 750
590
Tensile Strength: Ultimate (UTS), MPa 490 to 1310
850
Tensile Strength: Yield (Proof), MPa 160 to 1140
490

Thermal Properties

Latent Heat of Fusion, J/g 230
310
Maximum Temperature: Mechanical, °C 270
1100
Melting Completion (Liquidus), °C 980
1450
Melting Onset (Solidus), °C 870
1410
Specific Heat Capacity, J/kg-K 390
460
Thermal Conductivity, W/m-K 110
11
Thermal Expansion, µm/m-K 17
15

Electrical Properties

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

Otherwise Unclassified Properties

Density, g/cm3 8.8
8.0
Embodied Carbon, kg CO2/kg material 8.7
6.4
Embodied Energy, MJ/kg 140
87
Embodied Water, L/kg 310
220

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 4.2 to 390
330
Resilience: Unit (Modulus of Resilience), kJ/m3 110 to 5420
570
Stiffness to Weight: Axial, points 7.6
14
Stiffness to Weight: Bending, points 19
25
Strength to Weight: Axial, points 15 to 41
29
Strength to Weight: Bending, points 16 to 30
25
Thermal Diffusivity, mm2/s 32
2.9
Thermal Shock Resistance, points 17 to 45
19

Alloy Composition

Aluminum (Al), % 0 to 0.2
0
Beryllium (Be), % 1.6 to 1.8
0
Carbon (C), % 0
0 to 0.020
Chromium (Cr), % 0
24 to 25
Copper (Cu), % 96.3 to 98.2
0.3 to 0.6
Iron (Fe), % 0 to 0.4
38.3 to 45.3
Manganese (Mn), % 0
2.0 to 4.0
Molybdenum (Mo), % 0
7.0 to 8.0
Nickel (Ni), % 0.2 to 0.6
21 to 23
Nitrogen (N), % 0
0.45 to 0.55
Phosphorus (P), % 0
0 to 0.030
Silicon (Si), % 0 to 0.2
0 to 0.5
Sulfur (S), % 0
0 to 0.0050
Residuals, % 0 to 0.5
0