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C17000 Copper vs. S21603 Stainless Steel

C17000 copper belongs to the copper alloys classification, while S21603 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 C17000 copper and the bottom bar is S21603 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 120
200
Elongation at Break, % 1.1 to 31
45
Poisson's Ratio 0.33
0.28
Shear Modulus, GPa 45
79
Shear Strength, MPa 320 to 750
490
Tensile Strength: Ultimate (UTS), MPa 490 to 1310
690
Tensile Strength: Yield (Proof), MPa 160 to 1140
390

Thermal Properties

Latent Heat of Fusion, J/g 230
290
Maximum Temperature: Mechanical, °C 270
990
Melting Completion (Liquidus), °C 980
1420
Melting Onset (Solidus), °C 870
1380
Specific Heat Capacity, J/kg-K 390
480
Thermal Expansion, µm/m-K 17
17

Otherwise Unclassified Properties

Density, g/cm3 8.8
7.7
Embodied Carbon, kg CO2/kg material 8.7
3.6
Embodied Energy, MJ/kg 140
50
Embodied Water, L/kg 310
160

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 4.2 to 390
270
Resilience: Unit (Modulus of Resilience), kJ/m3 110 to 5420
380
Stiffness to Weight: Axial, points 7.6
14
Stiffness to Weight: Bending, points 19
25
Strength to Weight: Axial, points 15 to 41
25
Strength to Weight: Bending, points 16 to 30
22
Thermal Shock Resistance, points 17 to 45
15

Alloy Composition

Aluminum (Al), % 0 to 0.2
0
Beryllium (Be), % 1.6 to 1.8
0
Carbon (C), % 0
0 to 0.030
Chromium (Cr), % 0
17.5 to 22
Copper (Cu), % 96.3 to 98.2
0
Iron (Fe), % 0 to 0.4
57.6 to 67.8
Manganese (Mn), % 0
7.5 to 9.0
Molybdenum (Mo), % 0
2.0 to 3.0
Nickel (Ni), % 0.2 to 0.6
5.0 to 7.0
Nitrogen (N), % 0
0.25 to 0.5
Phosphorus (P), % 0
0 to 0.045
Silicon (Si), % 0 to 0.2
0 to 0.75
Sulfur (S), % 0
0 to 0.030
Residuals, % 0 to 0.5
0