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C83800 Bronze vs. S21900 Stainless Steel

C83800 bronze belongs to the copper alloys classification, while S21900 stainless steel belongs to the iron alloys. There are 28 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 C83800 bronze and the bottom bar is S21900 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 100
200
Elongation at Break, % 20
50
Poisson's Ratio 0.34
0.28
Shear Modulus, GPa 39
78
Tensile Strength: Ultimate (UTS), MPa 230
710
Tensile Strength: Yield (Proof), MPa 110
390

Thermal Properties

Latent Heat of Fusion, J/g 180
290
Maximum Temperature: Mechanical, °C 160
980
Melting Completion (Liquidus), °C 1000
1400
Melting Onset (Solidus), °C 840
1350
Specific Heat Capacity, J/kg-K 370
480
Thermal Conductivity, W/m-K 72
14
Thermal Expansion, µm/m-K 19
17

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 15
2.5
Electrical Conductivity: Equal Weight (Specific), % IACS 15
2.9

Otherwise Unclassified Properties

Base Metal Price, % relative 30
15
Density, g/cm3 8.8
7.7
Embodied Carbon, kg CO2/kg material 2.9
3.0
Embodied Energy, MJ/kg 47
43
Embodied Water, L/kg 340
160

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 39
300
Resilience: Unit (Modulus of Resilience), kJ/m3 53
380
Stiffness to Weight: Axial, points 6.6
14
Stiffness to Weight: Bending, points 18
25
Strength to Weight: Axial, points 7.4
26
Strength to Weight: Bending, points 9.6
23
Thermal Diffusivity, mm2/s 22
3.8
Thermal Shock Resistance, points 8.6
15

Alloy Composition

Aluminum (Al), % 0 to 0.0050
0
Antimony (Sb), % 0 to 0.25
0
Carbon (C), % 0
0 to 0.080
Chromium (Cr), % 0
19 to 21.5
Copper (Cu), % 82 to 83.8
0
Iron (Fe), % 0 to 0.3
59.4 to 67.4
Lead (Pb), % 5.0 to 7.0
0
Manganese (Mn), % 0
8.0 to 10
Nickel (Ni), % 0 to 1.0
5.5 to 7.5
Nitrogen (N), % 0
0.15 to 0.4
Phosphorus (P), % 0 to 1.5
0 to 0.045
Silicon (Si), % 0 to 0.0050
0 to 1.0
Sulfur (S), % 0 to 0.080
0 to 0.030
Tin (Sn), % 3.3 to 4.2
0
Zinc (Zn), % 5.0 to 8.0
0
Residuals, % 0 to 0.7
0