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C69430 Brass vs. C91100 Bronze

Both C69430 brass and C91100 bronze 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 C69430 brass and the bottom bar is C91100 bronze.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
100
Elongation at Break, % 17
2.0
Poisson's Ratio 0.33
0.34
Shear Modulus, GPa 42
39
Tensile Strength: Ultimate (UTS), MPa 570
240
Tensile Strength: Yield (Proof), MPa 280
170

Thermal Properties

Latent Heat of Fusion, J/g 260
180
Maximum Temperature: Mechanical, °C 170
160
Melting Completion (Liquidus), °C 920
950
Melting Onset (Solidus), °C 820
820
Specific Heat Capacity, J/kg-K 410
360
Thermal Conductivity, W/m-K 26
63
Thermal Expansion, µm/m-K 18
18

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 6.2
8.0
Electrical Conductivity: Equal Weight (Specific), % IACS 6.7
8.3

Otherwise Unclassified Properties

Base Metal Price, % relative 27
38
Density, g/cm3 8.3
8.7
Embodied Carbon, kg CO2/kg material 2.7
4.2
Embodied Energy, MJ/kg 44
69
Embodied Water, L/kg 300
440

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 80
4.4
Resilience: Unit (Modulus of Resilience), kJ/m3 340
140
Stiffness to Weight: Axial, points 7.4
6.7
Stiffness to Weight: Bending, points 19
18
Strength to Weight: Axial, points 19
7.7
Strength to Weight: Bending, points 18
9.9
Thermal Diffusivity, mm2/s 7.7
20
Thermal Shock Resistance, points 20
9.1

Alloy Composition

Aluminum (Al), % 0
0 to 0.0050
Antimony (Sb), % 0
0 to 0.2
Arsenic (As), % 0.030 to 0.060
0
Copper (Cu), % 80 to 83
82 to 85
Iron (Fe), % 0 to 0.2
0 to 0.25
Lead (Pb), % 0 to 0.3
0 to 0.25
Nickel (Ni), % 0
0 to 0.5
Phosphorus (P), % 0
0 to 1.0
Silicon (Si), % 3.5 to 4.5
0 to 0.0050
Sulfur (S), % 0
0 to 0.050
Tin (Sn), % 0
15 to 17
Zinc (Zn), % 11.4 to 16.5
0 to 0.25
Residuals, % 0 to 0.5
0