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C86300 Bronze vs. C68300 Brass

Both C86300 bronze and C68300 brass are copper alloys. They have 86% of their average alloy composition in common. There are 26 material properties with values for both materials. Properties with values for just one material (6, in this case) are not shown.

For each property being compared, the top bar is C86300 bronze and the bottom bar is C68300 brass.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
100
Elongation at Break, % 14
15
Poisson's Ratio 0.32
0.31
Shear Modulus, GPa 42
40
Tensile Strength: Ultimate (UTS), MPa 850
430
Tensile Strength: Yield (Proof), MPa 480
260

Thermal Properties

Latent Heat of Fusion, J/g 200
180
Maximum Temperature: Mechanical, °C 160
120
Melting Completion (Liquidus), °C 920
900
Melting Onset (Solidus), °C 890
890
Specific Heat Capacity, J/kg-K 420
390
Thermal Conductivity, W/m-K 35
120
Thermal Expansion, µm/m-K 20
20

Otherwise Unclassified Properties

Base Metal Price, % relative 23
23
Density, g/cm3 7.8
8.0
Embodied Carbon, kg CO2/kg material 3.0
2.8
Embodied Energy, MJ/kg 51
46
Embodied Water, L/kg 360
340

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 100
56
Resilience: Unit (Modulus of Resilience), kJ/m3 1030
330
Stiffness to Weight: Axial, points 7.8
7.3
Stiffness to Weight: Bending, points 20
20
Strength to Weight: Axial, points 30
15
Strength to Weight: Bending, points 25
16
Thermal Diffusivity, mm2/s 11
38
Thermal Shock Resistance, points 28
14

Alloy Composition

Aluminum (Al), % 5.0 to 7.5
0
Antimony (Sb), % 0
0.3 to 1.0
Cadmium (Cd), % 0
0 to 0.010
Copper (Cu), % 60 to 66
59 to 63
Iron (Fe), % 2.0 to 4.0
0
Lead (Pb), % 0 to 0.2
0 to 0.090
Manganese (Mn), % 2.5 to 5.0
0
Nickel (Ni), % 0 to 1.0
0
Silicon (Si), % 0
0.3 to 1.0
Tin (Sn), % 0 to 0.2
0.050 to 0.2
Zinc (Zn), % 22 to 28
34.2 to 40.4
Residuals, % 0 to 1.0
0 to 0.5