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C17200 Copper vs. S31727 Stainless Steel

C17200 copper belongs to the copper alloys classification, while S31727 stainless steel belongs to the iron alloys. There are 24 material properties with values for both materials. Properties with values for just one material (12, in this case) are not shown.

For each property being compared, the top bar is C17200 copper and the bottom bar is S31727 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 120
200
Elongation at Break, % 1.1 to 37
40
Poisson's Ratio 0.33
0.28
Shear Modulus, GPa 45
78
Shear Strength, MPa 330 to 780
430
Tensile Strength: Ultimate (UTS), MPa 480 to 1380
630
Tensile Strength: Yield (Proof), MPa 160 to 1250
270

Thermal Properties

Latent Heat of Fusion, J/g 230
290
Maximum Temperature: Mechanical, °C 280
1010
Melting Completion (Liquidus), °C 980
1440
Melting Onset (Solidus), °C 870
1390
Specific Heat Capacity, J/kg-K 390
470
Thermal Expansion, µm/m-K 18
16

Otherwise Unclassified Properties

Density, g/cm3 8.8
8.0
Embodied Carbon, kg CO2/kg material 9.4
4.7
Embodied Energy, MJ/kg 150
64
Embodied Water, L/kg 310
180

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 4.2 to 500
200
Resilience: Unit (Modulus of Resilience), kJ/m3 110 to 5720
190
Stiffness to Weight: Axial, points 7.6
14
Stiffness to Weight: Bending, points 19
24
Strength to Weight: Axial, points 15 to 44
22
Strength to Weight: Bending, points 16 to 31
20
Thermal Shock Resistance, points 16 to 46
14

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
17.5 to 19
Copper (Cu), % 96.1 to 98
2.8 to 4.0
Iron (Fe), % 0 to 0.4
53.7 to 61.3
Manganese (Mn), % 0
0 to 1.0
Molybdenum (Mo), % 0
3.8 to 4.5
Nickel (Ni), % 0.2 to 0.6
14.5 to 16.5
Nitrogen (N), % 0
0.15 to 0.21
Phosphorus (P), % 0
0 to 0.030
Silicon (Si), % 0 to 0.2
0 to 1.0
Sulfur (S), % 0
0 to 0.030
Residuals, % 0 to 0.5
0