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C86800 Bronze vs. C68400 Brass

Both C86800 bronze and C68400 brass are copper alloys. They have a moderately high 92% 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 C86800 bronze and the bottom bar is C68400 brass.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
110
Elongation at Break, % 22
18
Poisson's Ratio 0.31
0.31
Shear Modulus, GPa 42
41
Tensile Strength: Ultimate (UTS), MPa 570
540
Tensile Strength: Yield (Proof), MPa 260
310

Thermal Properties

Latent Heat of Fusion, J/g 180
210
Maximum Temperature: Mechanical, °C 140
130
Melting Completion (Liquidus), °C 900
840
Melting Onset (Solidus), °C 880
820
Specific Heat Capacity, J/kg-K 400
400
Thermal Expansion, µm/m-K 20
20

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 9.0
87
Electrical Conductivity: Equal Weight (Specific), % IACS 10
99

Otherwise Unclassified Properties

Base Metal Price, % relative 24
23
Density, g/cm3 7.9
7.9
Embodied Carbon, kg CO2/kg material 3.0
2.7
Embodied Energy, MJ/kg 51
47
Embodied Water, L/kg 320
320

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 100
81
Resilience: Unit (Modulus of Resilience), kJ/m3 310
460
Stiffness to Weight: Axial, points 7.7
7.5
Stiffness to Weight: Bending, points 20
20
Strength to Weight: Axial, points 20
19
Strength to Weight: Bending, points 19
19
Thermal Shock Resistance, points 18
18

Alloy Composition

Aluminum (Al), % 0 to 2.0
0 to 0.5
Boron (B), % 0
0.0010 to 0.030
Copper (Cu), % 53.5 to 57
59 to 64
Iron (Fe), % 1.0 to 2.5
0 to 1.0
Lead (Pb), % 0 to 0.2
0 to 0.090
Manganese (Mn), % 2.5 to 4.0
0.2 to 1.5
Nickel (Ni), % 2.5 to 4.0
0 to 0.5
Phosphorus (P), % 0
0.030 to 0.3
Silicon (Si), % 0
1.5 to 2.5
Tin (Sn), % 0 to 1.0
0 to 0.5
Zinc (Zn), % 28.3 to 40.5
28.6 to 39.3
Residuals, % 0
0 to 0.5