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C91100 Bronze vs. C43500 Brass

Both C91100 bronze and C43500 brass are copper alloys. They have 82% 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 C91100 bronze and the bottom bar is C43500 brass.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 100
110
Elongation at Break, % 2.0
8.5 to 46
Poisson's Ratio 0.34
0.32
Shear Modulus, GPa 39
42
Tensile Strength: Ultimate (UTS), MPa 240
320 to 530
Tensile Strength: Yield (Proof), MPa 170
120 to 480

Thermal Properties

Latent Heat of Fusion, J/g 180
190
Maximum Temperature: Mechanical, °C 160
160
Melting Completion (Liquidus), °C 950
1000
Melting Onset (Solidus), °C 820
970
Specific Heat Capacity, J/kg-K 360
380
Thermal Conductivity, W/m-K 63
120
Thermal Expansion, µm/m-K 18
19

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 8.0
28
Electrical Conductivity: Equal Weight (Specific), % IACS 8.3
30

Otherwise Unclassified Properties

Base Metal Price, % relative 38
28
Density, g/cm3 8.7
8.5
Embodied Carbon, kg CO2/kg material 4.2
2.7
Embodied Energy, MJ/kg 69
45
Embodied Water, L/kg 440
320

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 4.4
44 to 120
Resilience: Unit (Modulus of Resilience), kJ/m3 140
65 to 1040
Stiffness to Weight: Axial, points 6.7
7.2
Stiffness to Weight: Bending, points 18
19
Strength to Weight: Axial, points 7.7
10 to 17
Strength to Weight: Bending, points 9.9
12 to 17
Thermal Diffusivity, mm2/s 20
37
Thermal Shock Resistance, points 9.1
11 to 18

Alloy Composition

Aluminum (Al), % 0 to 0.0050
0
Antimony (Sb), % 0 to 0.2
0
Copper (Cu), % 82 to 85
79 to 83
Iron (Fe), % 0 to 0.25
0 to 0.050
Lead (Pb), % 0 to 0.25
0 to 0.090
Nickel (Ni), % 0 to 0.5
0
Phosphorus (P), % 0 to 1.0
0
Silicon (Si), % 0 to 0.0050
0
Sulfur (S), % 0 to 0.050
0
Tin (Sn), % 15 to 17
0.6 to 1.2
Zinc (Zn), % 0 to 0.25
15.4 to 20.4
Residuals, % 0
0 to 0.3