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C19100 Copper vs. S21800 Stainless Steel

C19100 copper belongs to the copper alloys classification, while S21800 stainless steel belongs to the iron alloys. There are 25 material properties with values for both materials. Properties with values for just one material (11, in this case) are not shown.

For each property being compared, the top bar is C19100 copper and the bottom bar is S21800 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 120
190
Elongation at Break, % 17 to 37
40
Poisson's Ratio 0.34
0.28
Shear Modulus, GPa 43
75
Shear Strength, MPa 170 to 330
510
Tensile Strength: Ultimate (UTS), MPa 250 to 630
740
Tensile Strength: Yield (Proof), MPa 75 to 550
390

Thermal Properties

Latent Heat of Fusion, J/g 210
340
Maximum Temperature: Mechanical, °C 200
900
Melting Completion (Liquidus), °C 1080
1360
Melting Onset (Solidus), °C 1040
1310
Specific Heat Capacity, J/kg-K 390
500
Thermal Expansion, µm/m-K 17
16

Otherwise Unclassified Properties

Base Metal Price, % relative 33
15
Density, g/cm3 8.9
7.5
Embodied Carbon, kg CO2/kg material 2.7
3.1
Embodied Energy, MJ/kg 43
45
Embodied Water, L/kg 310
150

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 60 to 99
250
Resilience: Unit (Modulus of Resilience), kJ/m3 24 to 1310
390
Stiffness to Weight: Axial, points 7.2
14
Stiffness to Weight: Bending, points 18
26
Strength to Weight: Axial, points 7.7 to 20
27
Strength to Weight: Bending, points 9.9 to 18
24
Thermal Shock Resistance, points 8.9 to 22
17

Alloy Composition

Carbon (C), % 0
0 to 0.1
Chromium (Cr), % 0
16 to 18
Copper (Cu), % 96.5 to 98.6
0
Iron (Fe), % 0 to 0.2
59.1 to 65.4
Lead (Pb), % 0 to 0.1
0
Manganese (Mn), % 0
7.0 to 9.0
Nickel (Ni), % 0.9 to 1.3
8.0 to 9.0
Nitrogen (N), % 0
0.080 to 0.18
Phosphorus (P), % 0.15 to 0.35
0 to 0.060
Silicon (Si), % 0
3.5 to 4.5
Sulfur (S), % 0
0 to 0.030
Tellurium (Te), % 0.35 to 0.6
0
Zinc (Zn), % 0 to 0.5
0
Residuals, % 0 to 0.5
0