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C34500 Brass vs. C94900 Bronze

Both C34500 brass and C94900 bronze are copper alloys. They have 71% of their average alloy composition in common. There are 26 material properties with values for both materials. Properties with values for just one material (3, in this case) are not shown.

For each property being compared, the top bar is C34500 brass and the bottom bar is C94900 bronze.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 100
110
Elongation at Break, % 12 to 28
17
Poisson's Ratio 0.31
0.34
Shear Modulus, GPa 40
41
Tensile Strength: Ultimate (UTS), MPa 340 to 430
300
Tensile Strength: Yield (Proof), MPa 120 to 180
130

Thermal Properties

Latent Heat of Fusion, J/g 170
190
Maximum Temperature: Mechanical, °C 120
170
Melting Completion (Liquidus), °C 910
980
Melting Onset (Solidus), °C 890
910
Specific Heat Capacity, J/kg-K 380
370
Thermal Expansion, µm/m-K 21
18

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 26
14
Electrical Conductivity: Equal Weight (Specific), % IACS 29
14

Otherwise Unclassified Properties

Base Metal Price, % relative 24
32
Density, g/cm3 8.2
8.8
Embodied Carbon, kg CO2/kg material 2.6
3.4
Embodied Energy, MJ/kg 45
55
Embodied Water, L/kg 320
350

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 42 to 75
41
Resilience: Unit (Modulus of Resilience), kJ/m3 69 to 160
72
Stiffness to Weight: Axial, points 7.1
6.9
Stiffness to Weight: Bending, points 19
18
Strength to Weight: Axial, points 12 to 15
9.4
Strength to Weight: Bending, points 13 to 16
11
Thermal Shock Resistance, points 11 to 14
11

Alloy Composition

Aluminum (Al), % 0
0 to 0.0050
Antimony (Sb), % 0
0 to 0.25
Copper (Cu), % 62 to 65
79 to 81
Iron (Fe), % 0 to 0.15
0 to 0.3
Lead (Pb), % 1.5 to 2.5
4.0 to 6.0
Manganese (Mn), % 0
0 to 0.1
Nickel (Ni), % 0
4.0 to 6.0
Phosphorus (P), % 0
0 to 0.050
Silicon (Si), % 0
0 to 0.0050
Sulfur (S), % 0
0 to 0.080
Tin (Sn), % 0
4.0 to 6.0
Zinc (Zn), % 32 to 36.5
4.0 to 6.0
Residuals, % 0
0 to 0.8