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C85400 Brass vs. C92200 Bronze

Both C85400 brass and C92200 bronze are copper alloys. Both are furnished in the as-fabricated (no temper or treatment) condition. They have 75% of their average alloy composition in common. There are 28 material properties with values for both materials. Properties with values for just one material (5, in this case) are not shown.

For each property being compared, the top bar is C85400 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, % 23
25
Poisson's Ratio 0.32
0.34
Shear Modulus, GPa 40
41
Tensile Strength: Ultimate (UTS), MPa 220
280
Tensile Strength: Yield (Proof), MPa 85
140

Thermal Properties

Latent Heat of Fusion, J/g 180
190
Maximum Temperature: Mechanical, °C 130
170
Melting Completion (Liquidus), °C 940
990
Melting Onset (Solidus), °C 940
830
Specific Heat Capacity, J/kg-K 380
370
Thermal Conductivity, W/m-K 89
70
Thermal Expansion, µm/m-K 20
19

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 20
14
Electrical Conductivity: Equal Weight (Specific), % IACS 22
14

Otherwise Unclassified Properties

Base Metal Price, % relative 25
32
Density, g/cm3 8.3
8.7
Embodied Carbon, kg CO2/kg material 2.8
3.2
Embodied Energy, MJ/kg 46
52
Embodied Water, L/kg 330
360

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 40
58
Resilience: Unit (Modulus of Resilience), kJ/m3 35
87
Stiffness to Weight: Axial, points 7.0
6.9
Stiffness to Weight: Bending, points 19
18
Strength to Weight: Axial, points 7.5
8.9
Strength to Weight: Bending, points 9.9
11
Thermal Diffusivity, mm2/s 28
21
Thermal Shock Resistance, points 7.6
9.9

Alloy Composition

Aluminum (Al), % 0 to 0.35
0 to 0.0050
Antimony (Sb), % 0
0 to 0.25
Copper (Cu), % 65 to 70
86 to 90
Iron (Fe), % 0 to 0.7
0 to 0.25
Lead (Pb), % 1.5 to 3.8
1.0 to 2.0
Nickel (Ni), % 0 to 1.0
0 to 1.0
Phosphorus (P), % 0
0 to 1.5
Silicon (Si), % 0 to 0.050
0 to 0.0050
Sulfur (S), % 0
0 to 0.050
Tin (Sn), % 0.5 to 1.5
5.5 to 6.5
Zinc (Zn), % 24 to 32
3.0 to 5.0
Residuals, % 0
0 to 0.7