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C87700 Bronze vs. S32550 Stainless Steel

C87700 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 (7, in this case) are not shown.

For each property being compared, the top bar is C87700 bronze and the bottom bar is S32550 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
200
Elongation at Break, % 3.6
21
Poisson's Ratio 0.33
0.27
Shear Modulus, GPa 42
80
Tensile Strength: Ultimate (UTS), MPa 300
860
Tensile Strength: Yield (Proof), MPa 120
620

Thermal Properties

Latent Heat of Fusion, J/g 250
300
Maximum Temperature: Mechanical, °C 180
1100
Melting Completion (Liquidus), °C 980
1440
Melting Onset (Solidus), °C 900
1390
Specific Heat Capacity, J/kg-K 400
480
Thermal Conductivity, W/m-K 120
16
Thermal Expansion, µm/m-K 18
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 45
2.2
Electrical Conductivity: Equal Weight (Specific), % IACS 48
2.5

Otherwise Unclassified Properties

Base Metal Price, % relative 29
20
Density, g/cm3 8.5
7.8
Embodied Carbon, kg CO2/kg material 2.7
3.8
Embodied Energy, MJ/kg 45
53
Embodied Water, L/kg 310
180

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 8.6
160
Resilience: Unit (Modulus of Resilience), kJ/m3 64
940
Stiffness to Weight: Axial, points 7.4
14
Stiffness to Weight: Bending, points 19
25
Strength to Weight: Axial, points 9.8
31
Strength to Weight: Bending, points 12
26
Thermal Diffusivity, mm2/s 34
4.4
Thermal Shock Resistance, points 11
23

Alloy Composition

Antimony (Sb), % 0 to 0.1
0
Carbon (C), % 0
0 to 0.040
Chromium (Cr), % 0
24 to 27
Copper (Cu), % 87.5 to 90.5
1.5 to 2.5
Iron (Fe), % 0 to 0.5
57.2 to 67
Lead (Pb), % 0 to 0.090
0
Manganese (Mn), % 0 to 0.8
0 to 1.5
Molybdenum (Mo), % 0
2.9 to 3.9
Nickel (Ni), % 0 to 0.25
4.5 to 6.5
Nitrogen (N), % 0
0.1 to 0.25
Phosphorus (P), % 0 to 0.15
0 to 0.040
Silicon (Si), % 2.5 to 3.5
0 to 1.0
Sulfur (S), % 0
0 to 0.030
Tin (Sn), % 0 to 2.0
0
Zinc (Zn), % 7.0 to 9.0
0
Residuals, % 0 to 0.8
0