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C68400 Brass vs. C95800 Bronze

Both C68400 brass and C95800 bronze are copper alloys. They have 64% of their average alloy composition in common. There are 28 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 C68400 brass and the bottom bar is C95800 bronze.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
120
Elongation at Break, % 18
22
Poisson's Ratio 0.31
0.34
Shear Modulus, GPa 41
44
Tensile Strength: Ultimate (UTS), MPa 540
660
Tensile Strength: Yield (Proof), MPa 310
270

Thermal Properties

Latent Heat of Fusion, J/g 210
230
Maximum Temperature: Mechanical, °C 130
230
Melting Completion (Liquidus), °C 840
1060
Melting Onset (Solidus), °C 820
1040
Specific Heat Capacity, J/kg-K 400
440
Thermal Conductivity, W/m-K 66
36
Thermal Expansion, µm/m-K 20
17

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 87
7.0
Electrical Conductivity: Equal Weight (Specific), % IACS 99
7.6

Otherwise Unclassified Properties

Base Metal Price, % relative 23
29
Density, g/cm3 7.9
8.3
Embodied Carbon, kg CO2/kg material 2.7
3.4
Embodied Energy, MJ/kg 47
55
Embodied Water, L/kg 320
370

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 81
110
Resilience: Unit (Modulus of Resilience), kJ/m3 460
310
Stiffness to Weight: Axial, points 7.5
7.9
Stiffness to Weight: Bending, points 20
20
Strength to Weight: Axial, points 19
22
Strength to Weight: Bending, points 19
20
Thermal Diffusivity, mm2/s 21
9.9
Thermal Shock Resistance, points 18
23

Alloy Composition

Aluminum (Al), % 0 to 0.5
8.5 to 9.5
Boron (B), % 0.0010 to 0.030
0
Copper (Cu), % 59 to 64
79 to 83.2
Iron (Fe), % 0 to 1.0
3.5 to 4.5
Lead (Pb), % 0 to 0.090
0 to 0.030
Manganese (Mn), % 0.2 to 1.5
0.8 to 1.5
Nickel (Ni), % 0 to 0.5
4.0 to 5.0
Phosphorus (P), % 0.030 to 0.3
0
Silicon (Si), % 1.5 to 2.5
0 to 0.1
Tin (Sn), % 0 to 0.5
0
Zinc (Zn), % 28.6 to 39.3
0
Residuals, % 0
0 to 0.5