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C34500 Brass vs. C94400 Bronze

Both C34500 brass and C94400 bronze are copper alloys. They have 66% 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 C34500 brass and the bottom bar is C94400 bronze.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 100
100
Elongation at Break, % 12 to 28
18
Poisson's Ratio 0.31
0.35
Shear Modulus, GPa 40
37
Tensile Strength: Ultimate (UTS), MPa 340 to 430
220
Tensile Strength: Yield (Proof), MPa 120 to 180
110

Thermal Properties

Latent Heat of Fusion, J/g 170
180
Maximum Temperature: Mechanical, °C 120
150
Melting Completion (Liquidus), °C 910
940
Melting Onset (Solidus), °C 890
790
Specific Heat Capacity, J/kg-K 380
350
Thermal Conductivity, W/m-K 120
52
Thermal Expansion, µm/m-K 21
19

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 26
10
Electrical Conductivity: Equal Weight (Specific), % IACS 29
9.9

Otherwise Unclassified Properties

Base Metal Price, % relative 24
32
Density, g/cm3 8.2
9.1
Embodied Carbon, kg CO2/kg material 2.6
3.4
Embodied Energy, MJ/kg 45
54
Embodied Water, L/kg 320
390

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 42 to 75
33
Resilience: Unit (Modulus of Resilience), kJ/m3 69 to 160
60
Stiffness to Weight: Axial, points 7.1
6.1
Stiffness to Weight: Bending, points 19
17
Strength to Weight: Axial, points 12 to 15
6.8
Strength to Weight: Bending, points 13 to 16
9.0
Thermal Diffusivity, mm2/s 37
17
Thermal Shock Resistance, points 11 to 14
8.3

Alloy Composition

Aluminum (Al), % 0
0 to 0.0050
Antimony (Sb), % 0
0 to 0.8
Copper (Cu), % 62 to 65
76.1 to 84
Iron (Fe), % 0 to 0.15
0 to 0.15
Lead (Pb), % 1.5 to 2.5
9.0 to 12
Nickel (Ni), % 0
0 to 1.0
Phosphorus (P), % 0
0 to 0.050
Silicon (Si), % 0
0 to 0.0050
Sulfur (S), % 0
0 to 0.080
Tin (Sn), % 0
7.0 to 9.0
Zinc (Zn), % 32 to 36.5
0 to 0.8
Residuals, % 0 to 0.4
0