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C69700 Brass vs. C95500 Bronze

Both C69700 brass and C95500 bronze are copper alloys. They have 78% 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 C69700 brass and the bottom bar is C95500 bronze.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
120
Elongation at Break, % 25
8.4 to 10
Poisson's Ratio 0.32
0.34
Shear Modulus, GPa 41
44
Tensile Strength: Ultimate (UTS), MPa 470
700 to 850
Tensile Strength: Yield (Proof), MPa 230
320 to 470

Thermal Properties

Latent Heat of Fusion, J/g 240
230
Maximum Temperature: Mechanical, °C 160
230
Melting Completion (Liquidus), °C 930
1050
Melting Onset (Solidus), °C 880
1040
Specific Heat Capacity, J/kg-K 400
450
Thermal Conductivity, W/m-K 43
42
Thermal Expansion, µm/m-K 19
18

Otherwise Unclassified Properties

Base Metal Price, % relative 26
28
Density, g/cm3 8.3
8.2
Embodied Carbon, kg CO2/kg material 2.7
3.5
Embodied Energy, MJ/kg 44
57
Embodied Water, L/kg 310
390

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 99
58 to 61
Resilience: Unit (Modulus of Resilience), kJ/m3 250
420 to 950
Stiffness to Weight: Axial, points 7.3
8.0
Stiffness to Weight: Bending, points 19
20
Strength to Weight: Axial, points 16
24 to 29
Strength to Weight: Bending, points 16
21 to 24
Thermal Diffusivity, mm2/s 13
11
Thermal Shock Resistance, points 16
24 to 29

Alloy Composition

Aluminum (Al), % 0
10 to 11.5
Copper (Cu), % 75 to 80
78 to 84
Iron (Fe), % 0 to 0.2
3.0 to 5.0
Lead (Pb), % 0.5 to 1.5
0
Manganese (Mn), % 0 to 0.4
0 to 3.5
Nickel (Ni), % 0
3.0 to 5.5
Silicon (Si), % 2.5 to 3.5
0
Zinc (Zn), % 13.9 to 22
0
Residuals, % 0
0 to 0.5