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C68000 Brass vs. C92200 Bronze

Both C68000 brass and C92200 bronze are copper alloys. Both are furnished in the as-fabricated (no temper or treatment) condition. They have 64% of their average alloy composition in common. There are 26 material properties with values for both materials. Properties with values for just one material (7, in this case) are not shown.

For each property being compared, the top bar is C68000 brass and the bottom bar is C92200 bronze.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 100
110
Elongation at Break, % 27
25
Poisson's Ratio 0.3
0.34
Shear Modulus, GPa 40
41
Tensile Strength: Ultimate (UTS), MPa 390
280
Tensile Strength: Yield (Proof), MPa 140
140

Thermal Properties

Latent Heat of Fusion, J/g 170
190
Maximum Temperature: Mechanical, °C 120
170
Melting Completion (Liquidus), °C 880
990
Melting Onset (Solidus), °C 870
830
Specific Heat Capacity, J/kg-K 390
370
Thermal Conductivity, W/m-K 96
70
Thermal Expansion, µm/m-K 21
19

Otherwise Unclassified Properties

Base Metal Price, % relative 23
32
Density, g/cm3 8.0
8.7
Embodied Carbon, kg CO2/kg material 2.8
3.2
Embodied Energy, MJ/kg 48
52
Embodied Water, L/kg 330
360

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 82
58
Resilience: Unit (Modulus of Resilience), kJ/m3 95
87
Stiffness to Weight: Axial, points 7.3
6.9
Stiffness to Weight: Bending, points 20
18
Strength to Weight: Axial, points 14
8.9
Strength to Weight: Bending, points 15
11
Thermal Diffusivity, mm2/s 31
21
Thermal Shock Resistance, points 13
9.9

Alloy Composition

Aluminum (Al), % 0 to 0.010
0 to 0.0050
Antimony (Sb), % 0
0 to 0.25
Copper (Cu), % 56 to 60
86 to 90
Iron (Fe), % 0.25 to 1.3
0 to 0.25
Lead (Pb), % 0 to 0.050
1.0 to 2.0
Manganese (Mn), % 0.010 to 0.5
0
Nickel (Ni), % 0.2 to 0.8
0 to 1.0
Phosphorus (P), % 0
0 to 1.5
Silicon (Si), % 0.040 to 0.15
0 to 0.0050
Sulfur (S), % 0
0 to 0.050
Tin (Sn), % 0.75 to 1.1
5.5 to 6.5
Zinc (Zn), % 35.6 to 42.8
3.0 to 5.0
Residuals, % 0
0 to 0.7