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C85400 Brass vs. C93700 Bronze

Both C85400 brass and C93700 bronze are copper alloys. Both are furnished in the as-fabricated (no temper or treatment) condition. They have 73% of their average alloy composition in common. There are 28 material properties with values for both materials. Properties with values for just one material (6, in this case) are not shown.

For each property being compared, the top bar is C85400 brass and the bottom bar is C93700 bronze.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 100
99
Elongation at Break, % 23
20
Poisson's Ratio 0.32
0.35
Shear Modulus, GPa 40
37
Tensile Strength: Ultimate (UTS), MPa 220
240
Tensile Strength: Yield (Proof), MPa 85
130

Thermal Properties

Latent Heat of Fusion, J/g 180
170
Maximum Temperature: Mechanical, °C 130
140
Melting Completion (Liquidus), °C 940
930
Melting Onset (Solidus), °C 940
760
Specific Heat Capacity, J/kg-K 380
350
Thermal Conductivity, W/m-K 89
47
Thermal Expansion, µm/m-K 20
19

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 20
10
Electrical Conductivity: Equal Weight (Specific), % IACS 22
10

Otherwise Unclassified Properties

Base Metal Price, % relative 25
33
Density, g/cm3 8.3
8.9
Embodied Carbon, kg CO2/kg material 2.8
3.5
Embodied Energy, MJ/kg 46
57
Embodied Water, L/kg 330
390

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 40
40
Resilience: Unit (Modulus of Resilience), kJ/m3 35
79
Stiffness to Weight: Axial, points 7.0
6.2
Stiffness to Weight: Bending, points 19
17
Strength to Weight: Axial, points 7.5
7.5
Strength to Weight: Bending, points 9.9
9.6
Thermal Diffusivity, mm2/s 28
15
Thermal Shock Resistance, points 7.6
9.4

Alloy Composition

Aluminum (Al), % 0 to 0.35
0 to 0.0050
Antimony (Sb), % 0
0 to 0.5
Copper (Cu), % 65 to 70
78 to 82
Iron (Fe), % 0 to 0.7
0 to 0.15
Lead (Pb), % 1.5 to 3.8
8.0 to 11
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 0.080
Tin (Sn), % 0.5 to 1.5
9.0 to 11
Zinc (Zn), % 24 to 32
0 to 0.8
Residuals, % 0
0 to 1.0