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C87300 Bronze vs. S32003 Stainless Steel

C87300 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 (6, in this case) are not shown.

For each property being compared, the top bar is C87300 bronze and the bottom bar is S32003 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 120
200
Elongation at Break, % 22
28
Poisson's Ratio 0.34
0.27
Shear Modulus, GPa 43
79
Tensile Strength: Ultimate (UTS), MPa 350
730
Tensile Strength: Yield (Proof), MPa 140
510

Thermal Properties

Latent Heat of Fusion, J/g 280
290
Maximum Temperature: Mechanical, °C 200
1010
Melting Completion (Liquidus), °C 970
1440
Melting Onset (Solidus), °C 820
1400
Specific Heat Capacity, J/kg-K 410
480
Thermal Conductivity, W/m-K 28
15
Thermal Expansion, µm/m-K 17
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 6.1
2.2
Electrical Conductivity: Equal Weight (Specific), % IACS 6.4
2.5

Otherwise Unclassified Properties

Base Metal Price, % relative 29
14
Density, g/cm3 8.6
7.8
Embodied Carbon, kg CO2/kg material 2.7
3.0
Embodied Energy, MJ/kg 42
42
Embodied Water, L/kg 300
150

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 62
180
Resilience: Unit (Modulus of Resilience), kJ/m3 86
660
Stiffness to Weight: Axial, points 7.5
14
Stiffness to Weight: Bending, points 19
25
Strength to Weight: Axial, points 11
26
Strength to Weight: Bending, points 13
23
Thermal Diffusivity, mm2/s 8.0
4.0
Thermal Shock Resistance, points 13
21

Alloy Composition

Carbon (C), % 0
0 to 0.030
Chromium (Cr), % 0
19.5 to 22.5
Copper (Cu), % 94 to 95.7
0
Iron (Fe), % 0 to 0.2
68.2 to 75.9
Lead (Pb), % 0 to 0.2
0
Manganese (Mn), % 0.8 to 1.5
0 to 2.0
Molybdenum (Mo), % 0
1.5 to 2.0
Nickel (Ni), % 0
3.0 to 4.0
Nitrogen (N), % 0
0.14 to 0.2
Phosphorus (P), % 0
0 to 0.030
Silicon (Si), % 3.5 to 5.0
0 to 1.0
Sulfur (S), % 0
0 to 0.020
Zinc (Zn), % 0 to 0.25
0
Residuals, % 0 to 0.5
0