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C99750 Brass vs. C89320 Bronze

Both C99750 brass and C89320 bronze are copper alloys. They have 59% of their average alloy composition in common. There are 26 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 C99750 brass and the bottom bar is C89320 bronze.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 130
110
Elongation at Break, % 20 to 30
17
Poisson's Ratio 0.32
0.34
Shear Modulus, GPa 48
40
Tensile Strength: Ultimate (UTS), MPa 450 to 520
270
Tensile Strength: Yield (Proof), MPa 220 to 280
140

Thermal Properties

Latent Heat of Fusion, J/g 200
190
Maximum Temperature: Mechanical, °C 160
180
Melting Completion (Liquidus), °C 840
1050
Melting Onset (Solidus), °C 820
930
Specific Heat Capacity, J/kg-K 410
360
Thermal Expansion, µm/m-K 20
17

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.0
15
Electrical Conductivity: Equal Weight (Specific), % IACS 2.2
15

Otherwise Unclassified Properties

Base Metal Price, % relative 23
37
Density, g/cm3 8.1
8.9
Embodied Carbon, kg CO2/kg material 3.1
3.5
Embodied Energy, MJ/kg 51
56
Embodied Water, L/kg 310
490

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 87 to 110
38
Resilience: Unit (Modulus of Resilience), kJ/m3 190 to 300
93
Stiffness to Weight: Axial, points 8.6
6.8
Stiffness to Weight: Bending, points 21
18
Strength to Weight: Axial, points 15 to 18
8.5
Strength to Weight: Bending, points 16 to 18
10
Thermal Shock Resistance, points 13 to 15
10

Alloy Composition

Aluminum (Al), % 0.25 to 3.0
0 to 0.0050
Antimony (Sb), % 0
0 to 0.35
Bismuth (Bi), % 0
4.0 to 6.0
Copper (Cu), % 55 to 61
87 to 91
Iron (Fe), % 0 to 1.0
0 to 0.2
Lead (Pb), % 0.5 to 2.5
0 to 0.090
Manganese (Mn), % 17 to 23
0
Nickel (Ni), % 0 to 5.0
0 to 1.0
Phosphorus (P), % 0
0 to 0.3
Silicon (Si), % 0
0 to 0.0050
Sulfur (S), % 0
0 to 0.080
Tin (Sn), % 0
5.0 to 7.0
Zinc (Zn), % 17 to 23
0 to 1.0
Residuals, % 0
0 to 0.5