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C91100 Bronze vs. C43400 Brass

Both C91100 bronze and C43400 brass are copper alloys. They have 84% of their average alloy composition in common. There are 28 material properties with values for both materials. Properties with values for just one material (4, in this case) are not shown.

For each property being compared, the top bar is C91100 bronze and the bottom bar is C43400 brass.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 100
110
Elongation at Break, % 2.0
3.0 to 49
Poisson's Ratio 0.34
0.33
Shear Modulus, GPa 39
42
Tensile Strength: Ultimate (UTS), MPa 240
310 to 690
Tensile Strength: Yield (Proof), MPa 170
110 to 560

Thermal Properties

Latent Heat of Fusion, J/g 180
190
Maximum Temperature: Mechanical, °C 160
170
Melting Completion (Liquidus), °C 950
1020
Melting Onset (Solidus), °C 820
990
Specific Heat Capacity, J/kg-K 360
380
Thermal Conductivity, W/m-K 63
140
Thermal Expansion, µm/m-K 18
19

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 8.0
31
Electrical Conductivity: Equal Weight (Specific), % IACS 8.3
32

Otherwise Unclassified Properties

Base Metal Price, % relative 38
28
Density, g/cm3 8.7
8.6
Embodied Carbon, kg CO2/kg material 4.2
2.7
Embodied Energy, MJ/kg 69
44
Embodied Water, L/kg 440
320

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 4.4
19 to 120
Resilience: Unit (Modulus of Resilience), kJ/m3 140
57 to 1420
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 22
Strength to Weight: Bending, points 9.9
12 to 20
Thermal Diffusivity, mm2/s 20
41
Thermal Shock Resistance, points 9.1
11 to 24

Alloy Composition

Aluminum (Al), % 0 to 0.0050
0
Antimony (Sb), % 0 to 0.2
0
Copper (Cu), % 82 to 85
84 to 87
Iron (Fe), % 0 to 0.25
0 to 0.050
Lead (Pb), % 0 to 0.25
0 to 0.050
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
0.4 to 1.0
Zinc (Zn), % 0 to 0.25
11.4 to 15.6
Residuals, % 0
0 to 0.5