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C90900 Bronze vs. C85500 Brass

Both C90900 bronze and C85500 brass are copper alloys. Both are furnished in the as-fabricated (no temper or treatment) condition. They have 62% of their average alloy composition in common. There are 29 material properties with values for both materials. Properties with values for just one material (1, in this case) are not shown.

For each property being compared, the top bar is C90900 bronze and the bottom bar is C85500 brass.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 90
85
Elastic (Young's, Tensile) Modulus, GPa 110
100
Elongation at Break, % 15
40
Poisson's Ratio 0.34
0.31
Shear Modulus, GPa 40
40
Tensile Strength: Ultimate (UTS), MPa 280
410
Tensile Strength: Yield (Proof), MPa 140
160

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

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 11
26
Electrical Conductivity: Equal Weight (Specific), % IACS 11
29

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
46
Embodied Water, L/kg 410
320

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 35
130
Resilience: Unit (Modulus of Resilience), kJ/m3 89
120
Stiffness to Weight: Axial, points 6.8
7.3
Stiffness to Weight: Bending, points 18
20
Strength to Weight: Axial, points 8.8
14
Strength to Weight: Bending, points 11
15
Thermal Diffusivity, mm2/s 21
38
Thermal Shock Resistance, points 10
14

Alloy Composition

Aluminum (Al), % 0 to 0.0050
0
Antimony (Sb), % 0 to 0.2
0
Copper (Cu), % 86 to 89
59 to 63
Iron (Fe), % 0 to 0.15
0 to 0.2
Lead (Pb), % 0 to 0.25
0 to 0.2
Manganese (Mn), % 0
0 to 0.2
Nickel (Ni), % 0 to 0.5
0 to 0.2
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 to 0.2
Zinc (Zn), % 0 to 0.25
35.1 to 41
Residuals, % 0
0 to 0.9