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C68300 Brass vs. C86300 Bronze

Both C68300 brass and C86300 bronze 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 C68300 brass and the bottom bar is C86300 bronze.

Metric UnitsUS Customary Units

Mechanical Properties

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

Thermal Properties

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

Otherwise Unclassified Properties

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

Common Calculations

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

Alloy Composition

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