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C91100 Bronze vs. S32550 Stainless Steel

C91100 bronze belongs to the copper alloys classification, while S32550 stainless steel belongs to the iron alloys. There are 28 material properties with values for both materials. Properties with values for just one material (8, in this case) are not shown.

For each property being compared, the top bar is C91100 bronze and the bottom bar is S32550 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 100
200
Elongation at Break, % 2.0
21
Poisson's Ratio 0.34
0.27
Shear Modulus, GPa 39
80
Tensile Strength: Ultimate (UTS), MPa 240
860
Tensile Strength: Yield (Proof), MPa 170
620

Thermal Properties

Latent Heat of Fusion, J/g 180
300
Maximum Temperature: Mechanical, °C 160
1100
Melting Completion (Liquidus), °C 950
1440
Melting Onset (Solidus), °C 820
1390
Specific Heat Capacity, J/kg-K 360
480
Thermal Conductivity, W/m-K 63
16
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
20
Density, g/cm3 8.7
7.8
Embodied Carbon, kg CO2/kg material 4.2
3.8
Embodied Energy, MJ/kg 69
53
Embodied Water, L/kg 440
180

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 4.4
160
Resilience: Unit (Modulus of Resilience), kJ/m3 140
940
Stiffness to Weight: Axial, points 6.7
14
Stiffness to Weight: Bending, points 18
25
Strength to Weight: Axial, points 7.7
31
Strength to Weight: Bending, points 9.9
26
Thermal Diffusivity, mm2/s 20
4.4
Thermal Shock Resistance, points 9.1
23

Alloy Composition

Aluminum (Al), % 0 to 0.0050
0
Antimony (Sb), % 0 to 0.2
0
Carbon (C), % 0
0 to 0.040
Chromium (Cr), % 0
24 to 27
Copper (Cu), % 82 to 85
1.5 to 2.5
Iron (Fe), % 0 to 0.25
57.2 to 67
Lead (Pb), % 0 to 0.25
0
Manganese (Mn), % 0
0 to 1.5
Molybdenum (Mo), % 0
2.9 to 3.9
Nickel (Ni), % 0 to 0.5
4.5 to 6.5
Nitrogen (N), % 0
0.1 to 0.25
Phosphorus (P), % 0 to 1.0
0 to 0.040
Silicon (Si), % 0 to 0.0050
0 to 1.0
Sulfur (S), % 0 to 0.050
0 to 0.030
Tin (Sn), % 15 to 17
0
Zinc (Zn), % 0 to 0.25
0