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C69700 Brass vs. C65500 Bronze

Both C69700 brass and C65500 bronze are copper alloys. They have 82% of their average alloy composition in common. There are 27 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 C65500 bronze.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
120
Elongation at Break, % 25
4.0 to 70
Poisson's Ratio 0.32
0.34
Shear Modulus, GPa 41
43
Shear Strength, MPa 300
260 to 440
Tensile Strength: Ultimate (UTS), MPa 470
360 to 760
Tensile Strength: Yield (Proof), MPa 230
120 to 430

Thermal Properties

Latent Heat of Fusion, J/g 240
260
Maximum Temperature: Mechanical, °C 160
200
Melting Completion (Liquidus), °C 930
1030
Melting Onset (Solidus), °C 880
970
Specific Heat Capacity, J/kg-K 400
400
Thermal Conductivity, W/m-K 43
36
Thermal Expansion, µm/m-K 19
18

Otherwise Unclassified Properties

Base Metal Price, % relative 26
29
Density, g/cm3 8.3
8.6
Embodied Carbon, kg CO2/kg material 2.7
2.7
Embodied Energy, MJ/kg 44
42
Embodied Water, L/kg 310
300

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 99
11 to 450
Resilience: Unit (Modulus of Resilience), kJ/m3 250
62 to 790
Stiffness to Weight: Axial, points 7.3
7.5
Stiffness to Weight: Bending, points 19
19
Strength to Weight: Axial, points 16
12 to 24
Strength to Weight: Bending, points 16
13 to 21
Thermal Diffusivity, mm2/s 13
10
Thermal Shock Resistance, points 16
12 to 26

Alloy Composition

Copper (Cu), % 75 to 80
91.5 to 96.7
Iron (Fe), % 0 to 0.2
0 to 0.8
Lead (Pb), % 0.5 to 1.5
0 to 0.050
Manganese (Mn), % 0 to 0.4
0.5 to 1.3
Nickel (Ni), % 0
0 to 0.6
Silicon (Si), % 2.5 to 3.5
2.8 to 3.8
Zinc (Zn), % 13.9 to 22
0 to 1.5
Residuals, % 0
0 to 0.5