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C31400 Bronze vs. C84500 Brass

Both C31400 bronze and C84500 brass are copper alloys. They have 89% of their average alloy composition in common. There are 28 material properties with values for both materials. Properties with values for just one material (2, in this case) are not shown.

For each property being compared, the top bar is C31400 bronze and the bottom bar is C84500 brass.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
100
Elongation at Break, % 6.8 to 29
28
Poisson's Ratio 0.33
0.34
Shear Modulus, GPa 42
39
Tensile Strength: Ultimate (UTS), MPa 270 to 420
240
Tensile Strength: Yield (Proof), MPa 78 to 310
97

Thermal Properties

Latent Heat of Fusion, J/g 200
180
Maximum Temperature: Mechanical, °C 180
150
Melting Completion (Liquidus), °C 1040
980
Melting Onset (Solidus), °C 1010
840
Specific Heat Capacity, J/kg-K 380
360
Thermal Conductivity, W/m-K 180
72
Thermal Expansion, µm/m-K 18
19

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 42
16
Electrical Conductivity: Equal Weight (Specific), % IACS 43
17

Otherwise Unclassified Properties

Base Metal Price, % relative 29
28
Density, g/cm3 8.8
8.7
Embodied Carbon, kg CO2/kg material 2.6
2.9
Embodied Energy, MJ/kg 42
47
Embodied Water, L/kg 310
340

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 26 to 59
54
Resilience: Unit (Modulus of Resilience), kJ/m3 28 to 420
45
Stiffness to Weight: Axial, points 7.1
6.6
Stiffness to Weight: Bending, points 18
18
Strength to Weight: Axial, points 8.7 to 13
7.7
Strength to Weight: Bending, points 11 to 14
9.8
Thermal Diffusivity, mm2/s 54
23
Thermal Shock Resistance, points 9.6 to 15
8.6

Alloy Composition


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Aluminum (Al), % 0
0 to 0.0050
Antimony (Sb), % 0
0 to 0.25
Copper (Cu), % 87.5 to 90.5
77 to 79
Iron (Fe), % 0 to 0.1
0 to 0.4
Lead (Pb), % 1.3 to 2.5
6.0 to 7.5
Nickel (Ni), % 0 to 0.7
0 to 1.0
Phosphorus (P), % 0
0 to 0.020
Silicon (Si), % 0
0 to 0.0050
Sulfur (S), % 0
0 to 0.080
Tin (Sn), % 0
2.0 to 4.0
Zinc (Zn), % 5.8 to 11.2
10 to 14
Residuals, % 0 to 0.4
0 to 0.7