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C90900 Bronze vs. C47000 Brass

Both C90900 bronze and C47000 brass 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 (4, in this case) are not shown.

For each property being compared, the top bar is C90900 bronze and the bottom bar is C47000 brass.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
100
Elongation at Break, % 15
36
Poisson's Ratio 0.34
0.3
Shear Modulus, GPa 40
40
Tensile Strength: Ultimate (UTS), MPa 280
380
Tensile Strength: Yield (Proof), MPa 140
150

Thermal Properties

Latent Heat of Fusion, J/g 190
170
Maximum Temperature: Mechanical, °C 160
120
Melting Completion (Liquidus), °C 980
900
Melting Onset (Solidus), °C 820
890
Specific Heat Capacity, J/kg-K 360
390
Thermal Conductivity, W/m-K 65
120
Thermal Expansion, µm/m-K 18
21

Otherwise Unclassified Properties

Base Metal Price, % relative 36
23
Density, g/cm3 8.7
8.0
Embodied Carbon, kg CO2/kg material 3.9
2.7
Embodied Energy, MJ/kg 64
47
Embodied Water, L/kg 410
330

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 35
110
Resilience: Unit (Modulus of Resilience), kJ/m3 89
100
Stiffness to Weight: Axial, points 6.8
7.2
Stiffness to Weight: Bending, points 18
20
Strength to Weight: Axial, points 8.8
13
Strength to Weight: Bending, points 11
15
Thermal Diffusivity, mm2/s 21
38
Thermal Shock Resistance, points 10
13

Alloy Composition

Aluminum (Al), % 0 to 0.0050
0 to 0.010
Antimony (Sb), % 0 to 0.2
0
Copper (Cu), % 86 to 89
57 to 61
Iron (Fe), % 0 to 0.15
0
Lead (Pb), % 0 to 0.25
0 to 0.050
Nickel (Ni), % 0 to 0.5
0
Phosphorus (P), % 0 to 0.050
0
Silicon (Si), % 0 to 0.0050
0
Sulfur (S), % 0 to 0.050
0
Tin (Sn), % 12 to 14
0.25 to 1.0
Zinc (Zn), % 0 to 0.25
37.5 to 42.8
Residuals, % 0
0 to 0.4