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C47000 Brass vs. C93700 Bronze

Both C47000 brass and C93700 bronze are copper alloys. Both are furnished in the as-fabricated (no temper or treatment) condition. They have 60% of their average alloy composition in common. There are 26 material properties with values for both materials. Properties with values for just one material (8, in this case) are not shown.

For each property being compared, the top bar is C47000 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, % 36
20
Poisson's Ratio 0.3
0.35
Shear Modulus, GPa 40
37
Tensile Strength: Ultimate (UTS), MPa 380
240
Tensile Strength: Yield (Proof), MPa 150
130

Thermal Properties

Latent Heat of Fusion, J/g 170
170
Maximum Temperature: Mechanical, °C 120
140
Melting Completion (Liquidus), °C 900
930
Melting Onset (Solidus), °C 890
760
Specific Heat Capacity, J/kg-K 390
350
Thermal Conductivity, W/m-K 120
47
Thermal Expansion, µm/m-K 21
19

Otherwise Unclassified Properties

Base Metal Price, % relative 23
33
Density, g/cm3 8.0
8.9
Embodied Carbon, kg CO2/kg material 2.7
3.5
Embodied Energy, MJ/kg 47
57
Embodied Water, L/kg 330
390

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 110
40
Resilience: Unit (Modulus of Resilience), kJ/m3 100
79
Stiffness to Weight: Axial, points 7.2
6.2
Stiffness to Weight: Bending, points 20
17
Strength to Weight: Axial, points 13
7.5
Strength to Weight: Bending, points 15
9.6
Thermal Diffusivity, mm2/s 38
15
Thermal Shock Resistance, points 13
9.4

Alloy Composition

Aluminum (Al), % 0 to 0.010
0 to 0.0050
Antimony (Sb), % 0
0 to 0.5
Copper (Cu), % 57 to 61
78 to 82
Iron (Fe), % 0
0 to 0.15
Lead (Pb), % 0 to 0.050
8.0 to 11
Nickel (Ni), % 0
0 to 1.0
Phosphorus (P), % 0
0 to 1.5
Silicon (Si), % 0
0 to 0.0050
Sulfur (S), % 0
0 to 0.080
Tin (Sn), % 0.25 to 1.0
9.0 to 11
Zinc (Zn), % 37.5 to 42.8
0 to 0.8
Residuals, % 0
0 to 1.0