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C66300 Brass vs. C86700 Bronze

Both C66300 brass and C86700 bronze are copper alloys. They have 70% 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 C66300 brass and the bottom bar is C86700 bronze.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
110
Elongation at Break, % 2.3 to 22
17
Poisson's Ratio 0.33
0.31
Shear Modulus, GPa 42
41
Tensile Strength: Ultimate (UTS), MPa 460 to 810
630
Tensile Strength: Yield (Proof), MPa 400 to 800
250

Thermal Properties

Latent Heat of Fusion, J/g 200
180
Maximum Temperature: Mechanical, °C 180
130
Melting Completion (Liquidus), °C 1050
880
Melting Onset (Solidus), °C 1000
860
Specific Heat Capacity, J/kg-K 380
400
Thermal Conductivity, W/m-K 110
89
Thermal Expansion, µm/m-K 18
20

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 25
17
Electrical Conductivity: Equal Weight (Specific), % IACS 26
19

Otherwise Unclassified Properties

Base Metal Price, % relative 29
23
Density, g/cm3 8.6
7.9
Embodied Carbon, kg CO2/kg material 2.8
2.9
Embodied Energy, MJ/kg 46
49
Embodied Water, L/kg 320
340

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 17 to 98
86
Resilience: Unit (Modulus of Resilience), kJ/m3 710 to 2850
290
Stiffness to Weight: Axial, points 7.2
7.5
Stiffness to Weight: Bending, points 19
20
Strength to Weight: Axial, points 15 to 26
22
Strength to Weight: Bending, points 15 to 22
21
Thermal Diffusivity, mm2/s 32
28
Thermal Shock Resistance, points 16 to 28
21

Alloy Composition

Aluminum (Al), % 0
1.0 to 3.0
Cobalt (Co), % 0 to 0.2
0
Copper (Cu), % 84.5 to 87.5
55 to 60
Iron (Fe), % 1.4 to 2.4
1.0 to 3.0
Lead (Pb), % 0 to 0.050
0.5 to 1.5
Manganese (Mn), % 0
1.0 to 3.5
Nickel (Ni), % 0
0 to 1.0
Phosphorus (P), % 0 to 0.35
0
Tin (Sn), % 1.5 to 3.0
0 to 1.5
Zinc (Zn), % 6.0 to 12.8
30 to 38
Residuals, % 0
0 to 1.0