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C93700 Bronze vs. S82121 Stainless Steel

C93700 bronze belongs to the copper alloys classification, while S82121 stainless steel belongs to the iron alloys. There are 29 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 C93700 bronze and the bottom bar is S82121 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 99
200
Elongation at Break, % 20
28
Fatigue Strength, MPa 90
370
Poisson's Ratio 0.35
0.27
Shear Modulus, GPa 37
78
Tensile Strength: Ultimate (UTS), MPa 240
730
Tensile Strength: Yield (Proof), MPa 130
510

Thermal Properties

Latent Heat of Fusion, J/g 170
290
Maximum Temperature: Mechanical, °C 140
1020
Melting Completion (Liquidus), °C 930
1430
Melting Onset (Solidus), °C 760
1380
Specific Heat Capacity, J/kg-K 350
480
Thermal Conductivity, W/m-K 47
15
Thermal Expansion, µm/m-K 19
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 10
2.2
Electrical Conductivity: Equal Weight (Specific), % IACS 10
2.5

Otherwise Unclassified Properties

Base Metal Price, % relative 33
14
Density, g/cm3 8.9
7.7
Embodied Carbon, kg CO2/kg material 3.5
2.8
Embodied Energy, MJ/kg 57
40
Embodied Water, L/kg 390
150

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 40
180
Resilience: Unit (Modulus of Resilience), kJ/m3 79
660
Stiffness to Weight: Axial, points 6.2
14
Stiffness to Weight: Bending, points 17
25
Strength to Weight: Axial, points 7.5
26
Strength to Weight: Bending, points 9.6
23
Thermal Diffusivity, mm2/s 15
4.0
Thermal Shock Resistance, points 9.4
20

Alloy Composition


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Aluminum (Al), % 0 to 0.0050
0
Antimony (Sb), % 0 to 0.5
0
Carbon (C), % 0
0 to 0.035
Chromium (Cr), % 0
21 to 23
Copper (Cu), % 78 to 82
0.2 to 1.2
Iron (Fe), % 0 to 0.15
66.7 to 75.4
Lead (Pb), % 8.0 to 11
0
Manganese (Mn), % 0
1.0 to 2.5
Molybdenum (Mo), % 0
0.3 to 1.3
Nickel (Ni), % 0 to 1.0
2.0 to 4.0
Nitrogen (N), % 0
0.15 to 0.25
Phosphorus (P), % 0 to 1.5
0 to 0.040
Silicon (Si), % 0 to 0.0050
0 to 1.0
Sulfur (S), % 0 to 0.080
0 to 0.010
Tin (Sn), % 9.0 to 11
0
Zinc (Zn), % 0 to 0.8
0
Residuals, % 0 to 1.0
0