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C87700 Bronze vs. C66900 Brass

Both C87700 bronze and C66900 brass are copper alloys. They have 72% of their average alloy composition in common. There are 26 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 C87700 bronze and the bottom bar is C66900 brass.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
120
Elongation at Break, % 3.6
1.1 to 26
Poisson's Ratio 0.33
0.32
Shear Modulus, GPa 42
45
Tensile Strength: Ultimate (UTS), MPa 300
460 to 770
Tensile Strength: Yield (Proof), MPa 120
330 to 760

Thermal Properties

Latent Heat of Fusion, J/g 250
190
Maximum Temperature: Mechanical, °C 180
150
Melting Completion (Liquidus), °C 980
860
Melting Onset (Solidus), °C 900
850
Specific Heat Capacity, J/kg-K 400
400
Thermal Expansion, µm/m-K 18
20

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 45
3.4
Electrical Conductivity: Equal Weight (Specific), % IACS 48
3.8

Otherwise Unclassified Properties

Base Metal Price, % relative 29
23
Density, g/cm3 8.5
8.2
Embodied Carbon, kg CO2/kg material 2.7
2.8
Embodied Energy, MJ/kg 45
46
Embodied Water, L/kg 310
310

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 8.6
4.6 to 200
Resilience: Unit (Modulus of Resilience), kJ/m3 64
460 to 2450
Stiffness to Weight: Axial, points 7.4
8.1
Stiffness to Weight: Bending, points 19
20
Strength to Weight: Axial, points 9.8
15 to 26
Strength to Weight: Bending, points 12
16 to 23
Thermal Shock Resistance, points 11
14 to 23

Alloy Composition

Antimony (Sb), % 0 to 0.1
0
Copper (Cu), % 87.5 to 90.5
62.5 to 64.5
Iron (Fe), % 0 to 0.5
0 to 0.25
Lead (Pb), % 0 to 0.090
0 to 0.050
Manganese (Mn), % 0 to 0.8
11.5 to 12.5
Nickel (Ni), % 0 to 0.25
0
Phosphorus (P), % 0 to 0.15
0
Silicon (Si), % 2.5 to 3.5
0
Tin (Sn), % 0 to 2.0
0
Zinc (Zn), % 7.0 to 9.0
22.5 to 26
Residuals, % 0
0 to 0.2