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C17465 Copper vs. S21603 Stainless Steel

C17465 copper belongs to the copper alloys classification, while S21603 stainless steel belongs to the iron alloys. There are 26 material properties with values for both materials. Properties with values for just one material (9, in this case) are not shown.

For each property being compared, the top bar is C17465 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, % 5.3 to 36
45
Poisson's Ratio 0.34
0.28
Rockwell B Hardness 44 to 110
88
Shear Modulus, GPa 44
79
Shear Strength, MPa 210 to 540
490
Tensile Strength: Ultimate (UTS), MPa 310 to 930
690
Tensile Strength: Yield (Proof), MPa 120 to 830
390

Thermal Properties

Latent Heat of Fusion, J/g 210
290
Maximum Temperature: Mechanical, °C 210
990
Melting Completion (Liquidus), °C 1080
1420
Melting Onset (Solidus), °C 1030
1380
Specific Heat Capacity, J/kg-K 390
480
Thermal Expansion, µm/m-K 17
17

Otherwise Unclassified Properties

Base Metal Price, % relative 45
17
Density, g/cm3 8.9
7.7
Embodied Carbon, kg CO2/kg material 4.1
3.6
Embodied Energy, MJ/kg 64
50
Embodied Water, L/kg 310
160

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 47 to 90
270
Resilience: Unit (Modulus of Resilience), kJ/m3 64 to 2920
380
Stiffness to Weight: Axial, points 7.3
14
Stiffness to Weight: Bending, points 18
25
Strength to Weight: Axial, points 9.7 to 29
25
Strength to Weight: Bending, points 11 to 24
22
Thermal Shock Resistance, points 11 to 33
15

Alloy Composition

Aluminum (Al), % 0 to 0.2
0
Beryllium (Be), % 0.15 to 0.5
0
Carbon (C), % 0
0 to 0.030
Chromium (Cr), % 0
17.5 to 22
Copper (Cu), % 95.7 to 98.7
0
Iron (Fe), % 0 to 0.2
57.6 to 67.8
Lead (Pb), % 0.2 to 0.6
0
Manganese (Mn), % 0
7.5 to 9.0
Molybdenum (Mo), % 0
2.0 to 3.0
Nickel (Ni), % 1.0 to 1.4
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
Tin (Sn), % 0 to 0.25
0
Zirconium (Zr), % 0 to 0.5
0
Residuals, % 0 to 0.5
0