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C99750 Brass vs. C86800 Bronze

Both C99750 brass and C86800 bronze are copper alloys. They have 83% of their average alloy composition in common. There are 26 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 C99750 brass and the bottom bar is C86800 bronze.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 130
110
Elongation at Break, % 20 to 30
22
Poisson's Ratio 0.32
0.31
Shear Modulus, GPa 48
42
Tensile Strength: Ultimate (UTS), MPa 450 to 520
570
Tensile Strength: Yield (Proof), MPa 220 to 280
260

Thermal Properties

Latent Heat of Fusion, J/g 200
180
Maximum Temperature: Mechanical, °C 160
140
Melting Completion (Liquidus), °C 840
900
Melting Onset (Solidus), °C 820
880
Specific Heat Capacity, J/kg-K 410
400
Thermal Expansion, µm/m-K 20
20

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.0
9.0
Electrical Conductivity: Equal Weight (Specific), % IACS 2.2
10

Otherwise Unclassified Properties

Base Metal Price, % relative 23
24
Density, g/cm3 8.1
7.9
Embodied Carbon, kg CO2/kg material 3.1
3.0
Embodied Energy, MJ/kg 51
51
Embodied Water, L/kg 310
320

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 87 to 110
100
Resilience: Unit (Modulus of Resilience), kJ/m3 190 to 300
310
Stiffness to Weight: Axial, points 8.6
7.7
Stiffness to Weight: Bending, points 21
20
Strength to Weight: Axial, points 15 to 18
20
Strength to Weight: Bending, points 16 to 18
19
Thermal Shock Resistance, points 13 to 15
18

Alloy Composition

Aluminum (Al), % 0.25 to 3.0
0 to 2.0
Copper (Cu), % 55 to 61
53.5 to 57
Iron (Fe), % 0 to 1.0
1.0 to 2.5
Lead (Pb), % 0.5 to 2.5
0 to 0.2
Manganese (Mn), % 17 to 23
2.5 to 4.0
Nickel (Ni), % 0 to 5.0
2.5 to 4.0
Tin (Sn), % 0
0 to 1.0
Zinc (Zn), % 17 to 23
28.3 to 40.5
Residuals, % 0
0 to 1.0