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C82700 Copper vs. S21603 Stainless Steel

C82700 copper belongs to the copper alloys classification, while S21603 stainless steel belongs to the iron alloys. There are 23 material properties with values for both materials. Properties with values for just one material (13, in this case) are not shown.

For each property being compared, the top bar is C82700 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, % 1.8
45
Poisson's Ratio 0.33
0.28
Shear Modulus, GPa 46
79
Tensile Strength: Ultimate (UTS), MPa 1200
690
Tensile Strength: Yield (Proof), MPa 1020
390

Thermal Properties

Latent Heat of Fusion, J/g 240
290
Maximum Temperature: Mechanical, °C 300
990
Melting Completion (Liquidus), °C 950
1420
Melting Onset (Solidus), °C 860
1380
Specific Heat Capacity, J/kg-K 380
480
Thermal Expansion, µm/m-K 17
17

Otherwise Unclassified Properties

Density, g/cm3 8.7
7.7
Embodied Carbon, kg CO2/kg material 12
3.6
Embodied Energy, MJ/kg 180
50
Embodied Water, L/kg 310
160

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 21
270
Resilience: Unit (Modulus of Resilience), kJ/m3 4260
380
Stiffness to Weight: Axial, points 7.8
14
Stiffness to Weight: Bending, points 19
25
Strength to Weight: Axial, points 38
25
Strength to Weight: Bending, points 29
22
Thermal Shock Resistance, points 41
15

Alloy Composition

Aluminum (Al), % 0 to 0.15
0
Beryllium (Be), % 2.4 to 2.6
0
Carbon (C), % 0
0 to 0.030
Chromium (Cr), % 0 to 0.090
17.5 to 22
Copper (Cu), % 94.6 to 96.7
0
Iron (Fe), % 0 to 0.25
57.6 to 67.8
Lead (Pb), % 0 to 0.020
0
Manganese (Mn), % 0
7.5 to 9.0
Molybdenum (Mo), % 0
2.0 to 3.0
Nickel (Ni), % 1.0 to 1.5
5.0 to 7.0
Nitrogen (N), % 0
0.25 to 0.5
Phosphorus (P), % 0
0 to 0.045
Silicon (Si), % 0 to 0.15
0 to 0.75
Sulfur (S), % 0
0 to 0.030
Tin (Sn), % 0 to 0.1
0
Zinc (Zn), % 0 to 0.1
0
Residuals, % 0 to 0.5
0