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C87600 Bronze vs. C69430 Brass

Both C87600 bronze and C69430 brass are copper alloys. They have a moderately high 91% of their average alloy composition in common. There are 28 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 C87600 bronze and the bottom bar is C69430 brass.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
110
Elongation at Break, % 18
17
Poisson's Ratio 0.33
0.33
Shear Modulus, GPa 42
42
Tensile Strength: Ultimate (UTS), MPa 470
570
Tensile Strength: Yield (Proof), MPa 230
280

Thermal Properties

Latent Heat of Fusion, J/g 280
260
Maximum Temperature: Mechanical, °C 190
170
Melting Completion (Liquidus), °C 970
920
Melting Onset (Solidus), °C 860
820
Specific Heat Capacity, J/kg-K 410
410
Thermal Conductivity, W/m-K 28
26
Thermal Expansion, µm/m-K 17
18

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 6.0
6.2
Electrical Conductivity: Equal Weight (Specific), % IACS 6.4
6.7

Otherwise Unclassified Properties

Base Metal Price, % relative 29
27
Density, g/cm3 8.5
8.3
Embodied Carbon, kg CO2/kg material 2.7
2.7
Embodied Energy, MJ/kg 43
44
Embodied Water, L/kg 300
300

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 71
80
Resilience: Unit (Modulus of Resilience), kJ/m3 240
340
Stiffness to Weight: Axial, points 7.4
7.4
Stiffness to Weight: Bending, points 19
19
Strength to Weight: Axial, points 16
19
Strength to Weight: Bending, points 16
18
Thermal Diffusivity, mm2/s 8.1
7.7
Thermal Shock Resistance, points 17
20

Alloy Composition

Arsenic (As), % 0
0.030 to 0.060
Copper (Cu), % 88 to 92.5
80 to 83
Iron (Fe), % 0
0 to 0.2
Lead (Pb), % 0 to 0.5
0 to 0.3
Silicon (Si), % 3.5 to 5.5
3.5 to 4.5
Zinc (Zn), % 4.0 to 7.0
11.4 to 16.5
Residuals, % 0
0 to 0.5