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C40500 Penny Bronze vs. S21904 Stainless Steel

C40500 penny bronze belongs to the copper alloys classification, while S21904 stainless steel belongs to the iron alloys. There are 29 material properties with values for both materials. Properties with values for just one material (6, in this case) are not shown.

For each property being compared, the top bar is C40500 penny bronze and the bottom bar is S21904 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
200
Elongation at Break, % 3.0 to 49
17 to 51
Poisson's Ratio 0.34
0.28
Shear Modulus, GPa 43
78
Shear Strength, MPa 210 to 310
510 to 620
Tensile Strength: Ultimate (UTS), MPa 270 to 540
700 to 1000
Tensile Strength: Yield (Proof), MPa 79 to 520
390 to 910

Thermal Properties

Latent Heat of Fusion, J/g 200
290
Maximum Temperature: Mechanical, °C 190
980
Melting Completion (Liquidus), °C 1060
1400
Melting Onset (Solidus), °C 1020
1350
Specific Heat Capacity, J/kg-K 380
480
Thermal Conductivity, W/m-K 160
14
Thermal Expansion, µm/m-K 18
17

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 41
2.5
Electrical Conductivity: Equal Weight (Specific), % IACS 42
2.9

Otherwise Unclassified Properties

Base Metal Price, % relative 30
15
Density, g/cm3 8.8
7.7
Embodied Carbon, kg CO2/kg material 2.7
3.0
Embodied Energy, MJ/kg 43
43
Embodied Water, L/kg 320
160

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 16 to 110
160 to 310
Resilience: Unit (Modulus of Resilience), kJ/m3 28 to 1200
380 to 2070
Stiffness to Weight: Axial, points 7.2
14
Stiffness to Weight: Bending, points 18
25
Strength to Weight: Axial, points 8.5 to 17
25 to 36
Strength to Weight: Bending, points 10 to 17
23 to 29
Thermal Diffusivity, mm2/s 48
3.8
Thermal Shock Resistance, points 9.5 to 19
15 to 21

Alloy Composition

Carbon (C), % 0
0 to 0.040
Chromium (Cr), % 0
19 to 21.5
Copper (Cu), % 94 to 96
0
Iron (Fe), % 0 to 0.050
59.5 to 67.4
Lead (Pb), % 0 to 0.050
0
Manganese (Mn), % 0
8.0 to 10
Nickel (Ni), % 0
5.5 to 7.5
Nitrogen (N), % 0
0.15 to 0.4
Phosphorus (P), % 0
0 to 0.045
Silicon (Si), % 0
0 to 1.0
Sulfur (S), % 0
0 to 0.030
Tin (Sn), % 0.7 to 1.3
0
Zinc (Zn), % 2.1 to 5.3
0
Residuals, % 0 to 0.5
0