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C91100 Bronze vs. S32003 Stainless Steel

C91100 bronze belongs to the copper alloys classification, while S32003 stainless steel belongs to the iron alloys. There are 28 material properties with values for both materials. Properties with values for just one material (7, in this case) are not shown.

For each property being compared, the top bar is C91100 bronze and the bottom bar is S32003 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 100
200
Elongation at Break, % 2.0
28
Poisson's Ratio 0.34
0.27
Shear Modulus, GPa 39
79
Tensile Strength: Ultimate (UTS), MPa 240
730
Tensile Strength: Yield (Proof), MPa 170
510

Thermal Properties

Latent Heat of Fusion, J/g 180
290
Maximum Temperature: Mechanical, °C 160
1010
Melting Completion (Liquidus), °C 950
1440
Melting Onset (Solidus), °C 820
1400
Specific Heat Capacity, J/kg-K 360
480
Thermal Conductivity, W/m-K 63
15
Thermal Expansion, µm/m-K 18
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 8.0
2.2
Electrical Conductivity: Equal Weight (Specific), % IACS 8.3
2.5

Otherwise Unclassified Properties

Base Metal Price, % relative 38
14
Density, g/cm3 8.7
7.8
Embodied Carbon, kg CO2/kg material 4.2
3.0
Embodied Energy, MJ/kg 69
42
Embodied Water, L/kg 440
150

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 4.4
180
Resilience: Unit (Modulus of Resilience), kJ/m3 140
660
Stiffness to Weight: Axial, points 6.7
14
Stiffness to Weight: Bending, points 18
25
Strength to Weight: Axial, points 7.7
26
Strength to Weight: Bending, points 9.9
23
Thermal Diffusivity, mm2/s 20
4.0
Thermal Shock Resistance, points 9.1
21

Alloy Composition

Aluminum (Al), % 0 to 0.0050
0
Antimony (Sb), % 0 to 0.2
0
Carbon (C), % 0
0 to 0.030
Chromium (Cr), % 0
19.5 to 22.5
Copper (Cu), % 82 to 85
0
Iron (Fe), % 0 to 0.25
68.2 to 75.9
Lead (Pb), % 0 to 0.25
0
Manganese (Mn), % 0
0 to 2.0
Molybdenum (Mo), % 0
1.5 to 2.0
Nickel (Ni), % 0 to 0.5
3.0 to 4.0
Nitrogen (N), % 0
0.14 to 0.2
Phosphorus (P), % 0 to 1.0
0 to 0.030
Silicon (Si), % 0 to 0.0050
0 to 1.0
Sulfur (S), % 0 to 0.050
0 to 0.020
Tin (Sn), % 15 to 17
0
Zinc (Zn), % 0 to 0.25
0